Asphalt Late Model Calipers

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D154-R Single Piston Floater
Number Pistons: 1
Piston Type: Stainless
Piston Area: 3.14
Piston 1 Dia: 2.00
Piston 2 Dia: -
Piston 3 Dia: -
Mount Description: 5.46" Floating Mount
Rotor Width: 1.04
Max Rotor Dia: 12.19

D154-R Single Piston Floater Description

Wilwood's newest race caliper, the D154-R starts with a forged aluminum Type III hard anodized body with stainless steel piston. With a choice of 2.50” or 2.00” pistons and covering rotors from .81” to 1.04” thickness up to 12.19” diameter. Caliper fluid inlet port centered directly behind the piston eliminates any interference with slide pins. Lower deflection rate and higher volumetric efficiency than all the competitions’ heavier cast models, D154-R calipers with a 2.50" piston weighs only 3.3 pounds and use standard metric D154 pads. Caliper mounting uses stock height and offset.

Ordering Information for D154-R Single Piston Floater
Item No 120-14876
Info *New* Details
Mount Location Universal
Finish & Color Type III Ano
Price $148.35
Purchase
Call (805) 388-1188

D154-R Single Piston Floater
Number Pistons: 1
Piston Type: Stainless
Piston Area: 4.90
Piston 1 Dia: 2.50
Piston 2 Dia: -
Piston 3 Dia: -
Mount Description: 5.46" Floating Mount
Rotor Width: 1.04
Max Rotor Dia: 12.19

D154-R Single Piston Floater Description

Wilwood's newest race caliper, the D154-R starts with a forged aluminum Type III hard anodized body with stainless steel piston. With a choice of 2.50” or 2.00” pistons and covering rotors from .81” to 1.04” thickness up to 12.19” diameter. Caliper fluid inlet port centered directly behind the piston eliminates any interference with slide pins. Lower deflection rate and higher volumetric efficiency than all the competitions’ heavier cast models, D154-R calipers with a 2.50" piston weighs only 3.3 pounds and use standard metric D154 pads. Caliper mounting uses stock height and offset.

Ordering Information for D154-R Single Piston Floater
Item No 120-13900
Info *New* Details
Mount Location Universal
Finish & Color Type III Ano
Price $148.35
Purchase
Call (805) 388-1188

D52-R Single Piston Floater
Number Pistons: 1
Piston Type: Stainless
Piston Area: 4.45
Piston 1 Dia: 2.38
Piston 2 Dia: -
Piston 3 Dia: -
Mount Description: 7.06" Floating Mount
Rotor Width: 0.81
Max Rotor Dia: 12.19

D52-R Single Piston Floater Description

Wilwood's newest pure heavy-duty race caliper, the D52-R starts with a lightweight 4.3-pound forged aluminum Type III hard anodized body with a stainless steel piston. Choose a width of 2.75” or 2.38” pistons, and rotor widths of 0.81”, 1.04” and 1.28" thick in common 11.75”, or 12.19”, and up to 12.50” diameters. Caliper fluid inlet port centered directly behind the piston eliminates any interference with slide pins. Lower deflection rate and higher volumetric efficiency than all the competitions’ heavier cast models, D52-R calipers also use standard D52 pads available in a range of compounds for every application. Caliper mounting uses the original GM stock height and offset. D52-R Caliper, also known as D52R Caliper, is the pinnacle design for OEM replacement racing calipers.

Ordering Information for D52-R Single Piston Floater
Item No 120-15607
Info Details
Mount Location Universal
Finish & Color Type III Ano
Price $172.76
Purchase
Call (805) 388-1188

D52-R Single Piston Floater
Number Pistons: 1
Piston Type: Stainless
Piston Area: 4.45
Piston 1 Dia: 2.38
Piston 2 Dia: -
Piston 3 Dia: -
Mount Description: 7.06" Floating Mount
Rotor Width: 1.28
Max Rotor Dia: 12.19

D52-R Single Piston Floater Description

Wilwood's newest pure heavy-duty race caliper, the D52-R starts with a lightweight 4.3-pound forged aluminum Type III hard anodized body with a stainless steel piston. Choose a width of 2.75” or 2.38” pistons, and rotor widths of 0.81”, 1.04” and 1.28" thick in common 11.75”, or 12.19”, and up to 12.50” diameters. Caliper fluid inlet port centered directly behind the piston eliminates any interference with slide pins. Lower deflection rate and higher volumetric efficiency than all the competitions’ heavier cast models, D52-R calipers also use standard D52 pads available in a range of compounds for every application. Caliper mounting uses the original GM stock height and offset. D52-R Caliper, also known as D52R Caliper, is the pinnacle design for OEM replacement racing calipers.

Ordering Information for D52-R Single Piston Floater
Item No 120-15609
Info Details
Mount Location Universal
Finish & Color Type III Ano
Price $172.76
Purchase
Call (805) 388-1188

D52-R Single Piston Floater
Number Pistons: 1
Piston Type: Stainless
Piston Area: 5.94
Piston 1 Dia: 2.75
Piston 2 Dia: -
Piston 3 Dia: -
Mount Description: 7.06" Floating Mount
Rotor Width: 0.81
Max Rotor Dia: 12.19

D52-R Single Piston Floater Description

Wilwood's newest pure heavy-duty race caliper, the D52-R starts with a lightweight 4.3-pound forged aluminum Type III hard anodized body with a stainless steel piston. Choose a width of 2.75” or 2.38” pistons, and rotor widths of 0.81”, 1.04” and 1.28" thick in common 11.75”, or 12.19”, and up to 12.50” diameters. Caliper fluid inlet port centered directly behind the piston eliminates any interference with slide pins. Lower deflection rate and higher volumetric efficiency than all the competitions’ heavier cast models, D52-R calipers also use standard D52 pads available in a range of compounds for every application. Caliper mounting uses the original GM stock height and offset. D52-R Caliper, also known as D52R Caliper, is the pinnacle design for OEM replacement racing calipers.

Ordering Information for D52-R Single Piston Floater
Item No 120-15610
Info Details
Mount Location Universal
Finish & Color Type III Ano
Price $172.76
Purchase
Call (805) 388-1188

D52-R Single Piston Floater
Number Pistons: 1
Piston Type: Stainless
Piston Area: 5.94
Piston 1 Dia: 2.75
Piston 2 Dia: -
Piston 3 Dia: -
Mount Description: 7.06" Floating Mount
Rotor Width: 1.04
Max Rotor Dia: 12.19

D52-R Single Piston Floater Description

Wilwood's newest pure heavy-duty race caliper, the D52-R starts with a lightweight 4.3-pound forged aluminum Type III hard anodized body with a stainless steel piston. Choose a width of 2.75” or 2.38” pistons, and rotor widths of 0.81”, 1.04” and 1.28" thick in common 11.75”, or 12.19”, and up to 12.50” diameters. Caliper fluid inlet port centered directly behind the piston eliminates any interference with slide pins. Lower deflection rate and higher volumetric efficiency than all the competitions’ heavier cast models, D52-R calipers also use standard D52 pads available in a range of compounds for every application. Caliper mounting uses the original GM stock height and offset. D52-R Caliper, also known as D52R Caliper, is the pinnacle design for OEM replacement racing calipers.

Ordering Information for D52-R Single Piston Floater
Item No 120-15611
Info Details
Mount Location Universal
Finish & Color Type III Ano
Price $172.76
Purchase
Call (805) 388-1188

D52-R Single Piston Floater
Number Pistons: 1
Piston Type: Stainless
Piston Area: 5.94
Piston 1 Dia: 2.75
Piston 2 Dia: -
Piston 3 Dia: -
Mount Description: 7.06" Floating Mount
Rotor Width: 1.28
Max Rotor Dia: 12.19

D52-R Single Piston Floater Description

Wilwood's newest pure heavy-duty race caliper, the D52-R starts with a lightweight 4.3-pound forged aluminum Type III hard anodized body with a stainless steel piston. Choose a width of 2.75” or 2.38” pistons, and rotor widths of 0.81”, 1.04” and 1.28" thick in common 11.75”, or 12.19”, and up to 12.50” diameters. Caliper fluid inlet port centered directly behind the piston eliminates any interference with slide pins. Lower deflection rate and higher volumetric efficiency than all the competitions’ heavier cast models, D52-R calipers also use standard D52 pads available in a range of compounds for every application. Caliper mounting uses the original GM stock height and offset. D52-R Caliper, also known as D52R Caliper, is the pinnacle design for OEM replacement racing calipers.

Ordering Information for D52-R Single Piston Floater
Item No 120-15612
Info Details
Mount Location Universal
Finish & Color Type III Ano
Price $172.76
Purchase
Call (805) 388-1188

Forged Superlite 4 Radial Mount
Number Pistons: 4
Piston Type: Stainless
Piston Area: 1.98
Piston 1 Dia: 1.12
Piston 2 Dia: 1.12
Piston 3 Dia: -
Mount Description: 5.98" Radial Mount
Rotor Width: 0.81
Max Rotor Dia: 14.00

Forged Superlite 4 Radial Mount Description

The Superlite 4R caliper series is the benchmark in asphalt short track, late model, modified and open wheel competition. It also enjoys prominence in a variety of road-race, rally and sport driving applications. The new FSL4R model series is the latest innovation to this Superlite family of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes. The transfer tube has been replaced with two additional bleed screw assemblies which allow symmetrical piston bore models to be mounted either right or left in a leading or trailing position. Differential bore models still require left hand and right hand orientation, but no leading or trailing configuration is necessary.

Ordering Information for Forged Superlite 4 Radial Mount
Item No 120-13234
Info *New* Details
Mount Location Universal
Finish & Color Type III Ano
Price $248.34
Purchase
Call (805) 388-1188

Forged Superlite 4 Radial Mount
Number Pistons: 4
Piston Type: Stainless
Piston Area: 2.46
Piston 1 Dia: 1.25
Piston 2 Dia: 1.25
Piston 3 Dia: -
Mount Description: 5.98" Radial Mount
Rotor Width: 0.81
Max Rotor Dia: 14.00

Forged Superlite 4 Radial Mount Description

The Superlite 4R caliper series is the benchmark in asphalt short track, late model, modified and open wheel competition. It also enjoys prominence in a variety of road-race, rally and sport driving applications. The new FSL4R model series is the latest innovation to this Superlite family of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes. The transfer tube has been replaced with two additional bleed screw assemblies which allow symmetrical piston bore models to be mounted either right or left in a leading or trailing position. Differential bore models still require left hand and right hand orientation, but no leading or trailing configuration is necessary.

Ordering Information for Forged Superlite 4 Radial Mount
Item No 120-13233
Info *New* Details
Mount Location Universal
Finish & Color Black Anodize
Price $248.34
Purchase
Call (805) 388-1188

Forged Superlite 4 Radial Mount
Number Pistons: 4
Piston Type: Stainless
Piston Area: 2.46
Piston 1 Dia: 1.25
Piston 2 Dia: 1.25
Piston 3 Dia: -
Mount Description: 5.98" Radial Mount
Rotor Width: 1.25
Max Rotor Dia: 14.00

Forged Superlite 4 Radial Mount Description

The Superlite 4R caliper series is the benchmark in asphalt short track, late model, modified and open wheel competition. It also enjoys prominence in a variety of road-race, rally and sport driving applications. The new FSL4R model series is the latest innovation to this Superlite family of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes. The transfer tube has been replaced with two additional bleed screw assemblies which allow symmetrical piston bore models to be mounted either right or left in a leading or trailing position. Differential bore models still require left hand and right hand orientation, but no leading or trailing configuration is necessary.

Ordering Information for Forged Superlite 4 Radial Mount
Item No 120-13232
Info *New* Details
Mount Location Universal
Finish & Color Type III Ano
Price $248.34
Purchase
Call (805) 388-1188

Forged Superlite 4 Radial Mount
Number Pistons: 4
Piston Type: Thermlock
Piston Area: 2.46
Piston 1 Dia: 1.25
Piston 2 Dia: 1.25
Piston 3 Dia: -
Mount Description: 5.98" Radial Mount
Rotor Width: 0.81
Max Rotor Dia: 14.00

Forged Superlite 4 Radial Mount Description

FSL4R/ST calipers provide performance advantages of Thermlock® pistons for ultimate heat protection. Thermlock® pistons used in the ST models block heat transfer from the pads and reduce temperatures in the caliper, fluid, and seals by up to 25% over standard stainless steel pistons. Featuring Type III Anodize finish, these are the go-to calipers for all types sustained hard braking on dirt and asphalt ovals and a wide range of off-road, rally and road course applications.

Ordering Information for Forged Superlite 4 Radial Mount
Item No 120-13575
Info *New* Details
Mount Location Universal
Finish & Color Type III Ano
Price $398.34
Purchase
Call (805) 388-1188

Forged Superlite 4 Radial Mount
Number Pistons: 4
Piston Type: Thermlock
Piston Area: 2.46
Piston 1 Dia: 1.25
Piston 2 Dia: 1.25
Piston 3 Dia: -
Mount Description: 5.98" Radial Mount
Rotor Width: 1.25
Max Rotor Dia: 14.00

Forged Superlite 4 Radial Mount Description

FSL4R/ST calipers provide the pad wear performance advantages of differential bore pistons with the option for ultimate heat protection using Thermlock® pistons in the ST models. Differential piston bores compensate for leading-edge mechanical loading and temperature variances across the pad face to reduce pad taper wear in sustained high temperature applications. Thermlock® pistons in the ST models block heat transfer from the pads and reduce temperatures in the caliper, fluid, and seals by up to 25% over standard stainless steel pistons. Featuring a wear resistant Type III hard anodize finish, these are the go-to calipers for all types sustained hard braking on dirt and asphalt ovals and a wide range of off-road, rally and road course applications.

Ordering Information for Forged Superlite 4 Radial Mount
Item No 120-13576
Info *New* Details
Mount Location Universal
Finish & Color Type III Ano
Price $398.34
Purchase
Call (805) 388-1188

Forged Superlite 4 Radial Mount
Number Pistons: 4
Piston Type: Stainless
Piston Area: 4.84
Piston 1 Dia: 1.88
Piston 2 Dia: 1.62
Piston 3 Dia: -
Mount Description: 5.98" Radial Mount
Rotor Width: 1.25
Max Rotor Dia: 14.00

Forged Superlite 4 Radial Mount Description

The Superlite 4R caliper series is the benchmark in asphalt short track, late model, modified and open wheel competition. It also enjoys prominence in a variety of road-race, rally and sport driving applications. The new FSL4R model series is the latest innovation to this Superlite family of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes. The transfer tube has been replaced with two additional bleed screw assemblies which allow symmetrical piston bore models to be mounted either right or left in a leading or trailing position. Differential bore models still require left hand and right hand orientation, but no leading or trailing configuration is necessary.

Ordering Information for Forged Superlite 4 Radial Mount
Item No 120-13230
Info *New* Details
Mount Location Left Hand
Finish & Color Black Anodize
Price $248.34
Purchase
Call (805) 388-1188
Item No 120-13229
Info *New* Details
Mount Location Right Hand
Finish & Color Black Anodize
Price $248.34
Purchase
Call (805) 388-1188

Forged Superlite 4 Radial Mount
Number Pistons: 4
Piston Type: Thermlock
Piston Area: 4.84
Piston 1 Dia: 1.88
Piston 2 Dia: 1.62
Piston 3 Dia: -
Mount Description: 5.98" Radial Mount
Rotor Width: 1.25
Max Rotor Dia: 14.00

Forged Superlite 4 Radial Mount Description

FSL4R/ST calipers provide the pad wear performance advantages of differential bore pistons with the option for ultimate heat protection using Thermlock® pistons in the ST models. Differential piston bores compensate for leading-edge mechanical loading and temperature variances across the pad face to reduce pad taper wear in sustained high temperature applications. Thermlock® pistons in the ST models block heat transfer from the pads and reduce temperatures in the caliper, fluid, and seals by up to 25% over standard stainless steel pistons. Featuring a wear resistant Type III hard anodize finish, these are the go-to calipers for all types sustained hard braking on dirt and asphalt ovals and a wide range of off-road, rally and road course applications.

Ordering Information for Forged Superlite 4 Radial Mount
Item No 120-13266
Info *New* Details
Mount Location Left Hand
Finish & Color Type III Ano
Price $398.34
Purchase
Call (805) 388-1188
Item No 120-13265
Info *New* Details
Mount Location Right Hand
Finish & Color Type III Ano
Price $398.34
Purchase
Call (805) 388-1188

Forged Superlite 4 Radial Mount
Number Pistons: 4
Piston Type: Stainless
Piston Area: 5.18
Piston 1 Dia: 1.88
Piston 2 Dia: 1.75
Piston 3 Dia: -
Mount Description: 5.98" Radial Mount
Rotor Width: 0.81
Max Rotor Dia: 14.00

Forged Superlite 4 Radial Mount Description

The Superlite 4R caliper series is the benchmark in asphalt short track, late model, modified and open wheel competition. It also enjoys prominence in a variety of road-race, rally and sport driving applications. The new FSL4R model series is the latest innovation to this Superlite family of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes. The transfer tube has been replaced with two additional bleed screw assemblies which allow symmetrical piston bore models to be mounted either right or left in a leading or trailing position. Differential bore models still require left hand and right hand orientation, but no leading or trailing configuration is necessary.

Ordering Information for Forged Superlite 4 Radial Mount
Item No 120-13827
Info *New* Details
Mount Location Left Hand
Finish & Color Type III Ano
Price $248.34
Purchase
Call (805) 388-1188
Item No 120-13826
Info *New* Details
Mount Location Right Hand
Finish & Color Type III Ano
Price $248.34
Purchase
Call (805) 388-1188

Forged Superlite 4 Radial Mount
Number Pistons: 4
Piston Type: Stainless
Piston Area: 5.18
Piston 1 Dia: 1.88
Piston 2 Dia: 1.75
Piston 3 Dia: -
Mount Description: 5.98" Radial Mount
Rotor Width: 1.25
Max Rotor Dia: 14.00

Forged Superlite 4 Radial Mount Description

The Superlite 4R caliper series is the benchmark in asphalt short track, late model, modified and open wheel competition. It also enjoys prominence in a variety of road-race, rally and sport driving applications. The new FSL4R model series is the latest innovation to this Superlite family of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes. The transfer tube has been replaced with two additional bleed screw assemblies which allow symmetrical piston bore models to be mounted either right or left in a leading or trailing position. Differential bore models still require left hand and right hand orientation, but no leading or trailing configuration is necessary.

Ordering Information for Forged Superlite 4 Radial Mount
Item No 120-13228
Info *New* Details
Mount Location Left Hand
Finish & Color Type III Ano
Price $248.34
Purchase
Call (805) 388-1188
Item No 120-13227
Info *New* Details
Mount Location Right Hand
Finish & Color Type III Ano
Price $248.34
Purchase
Call (805) 388-1188

Forged Superlite 4 Radial Mount
Number Pistons: 4
Piston Type: Thermlock
Piston Area: 5.18
Piston 1 Dia: 1.88
Piston 2 Dia: 1.75
Piston 3 Dia: -
Mount Description: 5.98" Radial Mount
Rotor Width: 0.81
Max Rotor Dia: 14.00

Forged Superlite 4 Radial Mount Description

FSL4R/ST calipers provide the pad wear performance advantages of differential bore pistons with the option for ultimate heat protection using Thermlock® pistons in the ST models. Differential piston bores compensate for leading-edge mechanical loading and temperature variances across the pad face to reduce pad taper wear in sustained high temperature applications. Thermlock® pistons in the ST models block heat transfer from the pads and reduce temperatures in the caliper, fluid, and seals by up to 25% over standard stainless steel pistons. Featuring a wear resistant Type III hard anodize finish, these are the go-to calipers for all types sustained hard braking on dirt and asphalt ovals and a wide range of off-road, rally and road course applications.

Ordering Information for Forged Superlite 4 Radial Mount
Item No 120-13829
Info *New* Details
Mount Location Left Hand
Finish & Color Type III Ano
Price $398.34
Purchase
Call (805) 388-1188
Item No 120-13828
Info *New* Details
Mount Location Right Hand
Finish & Color Type III Ano
Price $398.34
Purchase
Call (805) 388-1188

Forged Superlite 4 Radial Mount
Number Pistons: 4
Piston Type: Thermlock
Piston Area: 5.18
Piston 1 Dia: 1.88
Piston 2 Dia: 1.75
Piston 3 Dia: -
Mount Description: 5.98" Radial Mount
Rotor Width: 1.25
Max Rotor Dia: 14.00

Forged Superlite 4 Radial Mount Description

FSL4R/ST calipers provide the pad wear performance advantages of differential bore pistons with the option for ultimate heat protection using Thermlock® pistons in the ST models. Differential piston bores compensate for leading-edge mechanical loading and temperature variances across the pad face to reduce pad taper wear in sustained high temperature applications. Thermlock® pistons in the ST models block heat transfer from the pads and reduce temperatures in the caliper, fluid, and seals by up to 25% over standard stainless steel pistons. Featuring a wear resistant Type III hard anodize finish, these are the go-to calipers for all types sustained hard braking on dirt and asphalt ovals and a wide range of off-road, rally and road course applications.

Ordering Information for Forged Superlite 4 Radial Mount
Item No 120-13264
Info *New* Details
Mount Location Left Hand
Finish & Color Type III Ano
Price $398.34
Purchase
Call (805) 388-1188
Item No 120-13263
Info *New* Details
Mount Location Right Hand
Finish & Color Type III Ano
Price $398.34
Purchase
Call (805) 388-1188

Forged Superlite 6 Radial Mount
Number Pistons: 6
Piston Type: Stainless
Piston Area: 4.04
Piston 1 Dia: 1.62
Piston 2 Dia: 1.12
Piston 3 Dia: 1.12
Mount Description: 5.98" Radial Mount
Rotor Width: 0.81
Max Rotor Dia: 14.00

Forged Superlite 6 Radial Mount Description

The Superlite 6R caliper series is the benchmark in asphalt short track, late model, modified and open wheel competition. It also enjoys prominence in a variety of road-race, rally and sport driving applications. The new FSL6R model series is the latest innovation to this Superlite family of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes. The transfer tube has been replaced with two additional bleed screw assemblies which allow differential bore models to have a left hand and right hand orientation, but no leading or trailing configuration is required.

Ordering Information for Forged Superlite 6 Radial Mount
Item No 120-13238
Info *New* Details
Mount Location Left Hand
Finish & Color Type III Ano
Price $278.34
Purchase
Call (805) 388-1188
Item No 120-13237
Info *New* Details
Mount Location Right Hand
Finish & Color Type III Ano
Price $278.34
Purchase
Call (805) 388-1188

Forged Superlite 6 Radial Mount
Number Pistons: 6
Piston Type: Stainless
Piston Area: 4.04
Piston 1 Dia: 1.62
Piston 2 Dia: 1.12
Piston 3 Dia: 1.12
Mount Description: 5.98" Radial Mount
Rotor Width: 1.25
Max Rotor Dia: 14.00

Forged Superlite 6 Radial Mount Description

The Superlite 6R caliper series is the benchmark in asphalt short track, late model, modified and open wheel competition. It also enjoys prominence in a variety of road-race, rally and sport driving applications. The new FSL6R model series is the latest innovation to this Superlite family of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes. The transfer tube has been replaced with two additional bleed screw assemblies which allow differential bore models to have a left hand and right hand orientation, but no leading or trailing configuration is required.

Ordering Information for Forged Superlite 6 Radial Mount
Item No 120-13236
Info *New* Details
Mount Location Left Hand
Finish & Color Type III Ano
Price $278.34
Purchase
Call (805) 388-1188
Item No 120-13235
Info *New* Details
Mount Location Right Hand
Finish & Color Type III Ano
Price $278.34
Purchase
Call (805) 388-1188

Forged Superlite 6 Radial Mount
Number Pistons: 6
Piston Type: Thermlock
Piston Area: 4.04
Piston 1 Dia: 1.62
Piston 2 Dia: 1.12
Piston 3 Dia: 1.12
Mount Description: 5.98" Radial Mount
Rotor Width: 1.25
Max Rotor Dia: 14.00

Forged Superlite 6 Radial Mount Description

FSL6R/ST calipers provide the pad wear performance advantages of differential bore pistons with the option for ultimate heat protection using Thermlock® pistons in the ST models. Differential piston bores compensate for leading-edge mechanical loading and temperature variances across the pad face to reduce pad taper wear in sustained high temperature applications. Thermlock® pistons in ST caliper models block heat transfer from the pads and reduce temperatures in the caliper, fluid, and seals by up to 25% over standard stainless steel pistons. Featuring either a Quick-Silver Nickel finish or Type III hard anodize, these are the go-to calipers for all types sustained hard braking on dirt and asphalt ovals and a wide range of off-road, rally and road course applications.

Ordering Information for Forged Superlite 6 Radial Mount
Item No 120-13268
Info *New* Details
Mount Location Left Hand
Finish & Color Type III Ano
Price $473.34
Purchase
Call (805) 388-1188
Item No 120-13267
Info *New* Details
Mount Location Right Hand
Finish & Color Type III Ano
Price $473.34
Purchase
Call (805) 388-1188

Forged Superlite Internal
Number Pistons: 4
Piston Type: Stainless
Piston Area: 1.98
Piston 1 Dia: 1.12
Piston 2 Dia: 1.12
Piston 3 Dia: -
Mount Description: 3.50" Lug Mount
Rotor Width: 0.81
Max Rotor Dia: 13.06

Forged Superlite Internal Description

The Superlite caliper series is the benchmark in short track, late model, modified and open wheel competition. It also enjoys prominence in a variety of road-race, off-road, rally and sport driving applications. The new FSLI model series is the latest innovation to this Superlite family of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes, along with any potential problems that could arise from a damaged tube. The transfer tube has been replaced with two additional bleed screw assemblies which allows this group of symmetrical piston bore models to be mounted either right or left in a leading or trailing position.

Ordering Information for Forged Superlite Internal
Item No 120-11125
Info Details
Mount Location Universal
Finish & Color Type III Ano
Price $188.94
Purchase
Call (805) 388-1188

Forged Superlite Internal
Number Pistons: 4
Piston Type: Stainless
Piston Area: 2.46
Piston 1 Dia: 1.25
Piston 2 Dia: 1.25
Piston 3 Dia: -
Mount Description: 3.50" Lug Mount
Rotor Width: 0.81
Max Rotor Dia: 13.06

Forged Superlite Internal Description

The Superlite caliper series is the benchmark in short track, late model, modified and open wheel competition. It also enjoys prominence in a variety of road-race, off-road, rally and sport driving applications. The new FSLI model series is the latest innovation to this Superlite family of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes, along with any potential problems that could arise from a damaged tube. The transfer tube has been replaced with two additional bleed screw assemblies which allows this group of symmetrical piston bore models to be mounted either right or left in a leading or trailing position.

Ordering Information for Forged Superlite Internal
Item No 120-11126
Info Details
Mount Location Universal
Finish & Color Type III Ano
Price $188.94
Purchase
Call (805) 388-1188

Forged Superlite Internal
Number Pistons: 4
Piston Type: Stainless
Piston Area: 2.46
Piston 1 Dia: 1.25
Piston 2 Dia: 1.25
Piston 3 Dia: -
Mount Description: 3.50" Lug Mount
Rotor Width: 1.25
Max Rotor Dia: 13.06

Forged Superlite Internal Description

The Superlite caliper series is the benchmark in short track, late model, modified and open wheel competition. It also enjoys prominence in a variety of road-race, off-road, rally and sport driving applications. The new FSLI model series is the latest innovation to this Superlite family of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes, along with any potential problems that could arise from a damaged tube. The transfer tube has been replaced with two additional bleed screw assemblies which allows this group of symmetrical piston bore models to be mounted either right or left in a leading or trailing position.

Ordering Information for Forged Superlite Internal
Item No 120-11127
Info Details
Mount Location Universal
Finish & Color Type III Ano
Price $188.94
Purchase
Call (805) 388-1188

Forged Superlite Internal
Number Pistons: 4
Piston Type: Stainless
Piston Area: 3.00
Piston 1 Dia: 1.38
Piston 2 Dia: 1.38
Piston 3 Dia: -
Mount Description: 3.50" Lug Mount
Rotor Width: 0.81
Max Rotor Dia: 13.06

Forged Superlite Internal Description

The Superlite caliper series is the benchmark in short track, late model, modified and open wheel competition. It also enjoys prominence in a variety of road-race, off-road, rally and sport driving applications. The new FSLI model series is the latest innovation to this Superlite family of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes, along with any potential problems that could arise from a damaged tube. The transfer tube has been replaced with two additional bleed screw assemblies which allows this group of symmetrical piston bore models to be mounted either right or left in a leading or trailing position.

Ordering Information for Forged Superlite Internal
Item No 120-11128
Info Details
Mount Location Universal
Finish & Color Type III Ano
Price $188.94
Purchase
Call (805) 388-1188

Forged Superlite Internal
Number Pistons: 4
Piston Type: Stainless
Piston Area: 3.00
Piston 1 Dia: 1.38
Piston 2 Dia: 1.38
Piston 3 Dia: -
Mount Description: 3.50" Lug Mount
Rotor Width: 1.10
Max Rotor Dia: 13.06

Forged Superlite Internal Description

The Superlite caliper series is the benchmark in short track, late model, modified and open wheel competition. It also enjoys prominence in a variety of road-race, off-road, rally and sport driving applications. The new FSLI model series is the latest innovation to this Superlite family of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes, along with any potential problems that could arise from a damaged tube. The transfer tube has been replaced with two additional bleed screw assemblies which allows this group of symmetrical piston bore models to be mounted either right or left in a leading or trailing position.

Ordering Information for Forged Superlite Internal
Item No 120-11129
Info Details
Mount Location Universal
Finish & Color Type III Ano
Price $188.94
Purchase
Call (805) 388-1188

Forged Superlite Internal
Number Pistons: 4
Piston Type: Stainless
Piston Area: 3.00
Piston 1 Dia: 1.38
Piston 2 Dia: 1.38
Piston 3 Dia: -
Mount Description: 3.50" Lug Mount
Rotor Width: 1.25
Max Rotor Dia: 13.06

Forged Superlite Internal Description

The Superlite caliper series is the benchmark in short track, late model, modified and open wheel competition. It also enjoys prominence in a variety of road-race, off-road, rally and sport driving applications. The new FSLI model series is the latest innovation to this Superlite family of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes, along with any potential problems that could arise from a damaged tube. The transfer tube has been replaced with two additional bleed screw assemblies which allows this group of symmetrical piston bore models to be mounted either right or left in a leading or trailing position.

Ordering Information for Forged Superlite Internal
Item No 120-11130
Info Details
Mount Location Universal
Finish & Color Type III Ano
Price $188.94
Purchase
Call (805) 388-1188

Forged Superlite Internal
Number Pistons: 4
Piston Type: Stainless
Piston Area: 4.12
Piston 1 Dia: 1.62
Piston 2 Dia: 1.62
Piston 3 Dia: -
Mount Description: 3.50" Lug Mount
Rotor Width: 0.81
Max Rotor Dia: 13.06

Forged Superlite Internal Description

The Superlite caliper series is the benchmark in short track, late model, modified and open wheel competition. It also enjoys prominence in a variety of road-race, off-road, rally and sport driving applications. The new FSLI model series is the latest innovation to this Superlite family of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes, along with any potential problems that could arise from a damaged tube. The transfer tube has been replaced with two additional bleed screw assemblies which allows this group of symmetrical piston bore models to be mounted either right or left in a leading or trailing position.

Ordering Information for Forged Superlite Internal
Item No 120-11131
Info Details
Mount Location Universal
Finish & Color Type III Ano
Price $188.94
Purchase
Call (805) 388-1188

Forged Superlite Internal
Number Pistons: 4
Piston Type: Stainless
Piston Area: 4.12
Piston 1 Dia: 1.62
Piston 2 Dia: 1.62
Piston 3 Dia: -
Mount Description: 3.50" Lug Mount
Rotor Width: 1.10
Max Rotor Dia: 13.06

Forged Superlite Internal Description

The Superlite caliper series is the benchmark in short track, late model, modified and open wheel competition. It also enjoys prominence in a variety of road-race, off-road, rally and sport driving applications. The new FSLI model series is the latest innovation to this Superlite family of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes, along with any potential problems that could arise from a damaged tube. The transfer tube has been replaced with two additional bleed screw assemblies which allows this group of symmetrical piston bore models to be mounted either right or left in a leading or trailing position.

Ordering Information for Forged Superlite Internal
Item No 120-11132
Info Details
Mount Location Universal
Finish & Color Type III Ano
Price $188.94
Purchase
Call (805) 388-1188

Forged Superlite Internal
Number Pistons: 4
Piston Type: Stainless
Piston Area: 4.12
Piston 1 Dia: 1.62
Piston 2 Dia: 1.62
Piston 3 Dia: -
Mount Description: 3.50" Lug Mount
Rotor Width: 1.25
Max Rotor Dia: 13.06

Forged Superlite Internal Description

The Superlite caliper series is the benchmark in short track, late model, modified and open wheel competition. It also enjoys prominence in a variety of road-race, off-road, rally and sport driving applications. The new FSLI model series is the latest innovation to this Superlite family of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes, along with any potential problems that could arise from a damaged tube. The transfer tube has been replaced with two additional bleed screw assemblies which allows this group of symmetrical piston bore models to be mounted either right or left in a leading or trailing position.

Ordering Information for Forged Superlite Internal
Item No 120-11133
Info Details
Mount Location Universal
Finish & Color Type III Ano
Price $188.94
Purchase
Call (805) 388-1188

Forged Superlite Internal
Number Pistons: 4
Piston Type: Stainless
Piston Area: 4.80
Piston 1 Dia: 1.75
Piston 2 Dia: 1.75
Piston 3 Dia: -
Mount Description: 3.50" Lug Mount
Rotor Width: 0.81
Max Rotor Dia: 13.06

Forged Superlite Internal Description

The Superlite caliper series is the benchmark in short track, late model, modified and open wheel competition. It also enjoys prominence in a variety of road-race, off-road, rally and sport driving applications. The new FSLI model series is the latest innovation to this Superlite family of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes, along with any potential problems that could arise from a damaged tube. The transfer tube has been replaced with two additional bleed screw assemblies which allows this group of symmetrical piston bore models to be mounted either right or left in a leading or trailing position.

Ordering Information for Forged Superlite Internal
Item No 120-11134
Info Details
Mount Location Universal
Finish & Color Type III Ano
Price $188.94
Purchase
Call (805) 388-1188
Item No 120-11134-SI
Info Details
Mount Location Universal
Finish & Color Type III Ano
Price $206.94
Purchase
Call (805) 388-1188

Forged Superlite Internal
Number Pistons: 4
Piston Type: Stainless
Piston Area: 4.80
Piston 1 Dia: 1.75
Piston 2 Dia: 1.75
Piston 3 Dia: -
Mount Description: 3.50" Lug Mount
Rotor Width: 1.10
Max Rotor Dia: 13.06

Forged Superlite Internal Description

The Superlite caliper series is the benchmark in short track, late model, modified and open wheel competition. It also enjoys prominence in a variety of road-race, off-road, rally and sport driving applications. The new FSLI model series is the latest innovation to this Superlite family of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes, along with any potential problems that could arise from a damaged tube. The transfer tube has been replaced with two additional bleed screw assemblies which allows this group of symmetrical piston bore models to be mounted either right or left in a leading or trailing position.

Ordering Information for Forged Superlite Internal
Item No 120-11135
Info Details
Mount Location Universal
Finish & Color Type III Ano
Price $188.94
Purchase
Call (805) 388-1188

Forged Superlite Internal
Number Pistons: 4
Piston Type: Stainless
Piston Area: 4.80
Piston 1 Dia: 1.75
Piston 2 Dia: 1.75
Piston 3 Dia: -
Mount Description: 3.50" Lug Mount
Rotor Width: 1.25
Max Rotor Dia: 13.06

Forged Superlite Internal Description

The Superlite caliper series is the benchmark in short track, late model, modified and open wheel competition. It also enjoys prominence in a variety of road-race, off-road, rally and sport driving applications. The new FSLI model series is the latest innovation to this Superlite family of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes, along with any potential problems that could arise from a damaged tube. The transfer tube has been replaced with two additional bleed screw assemblies which allows this group of symmetrical piston bore models to be mounted either right or left in a leading or trailing position.

Ordering Information for Forged Superlite Internal
Item No 120-11136
Info Details
Mount Location Universal
Finish & Color Type III Ano
Price $188.94
Purchase
Call (805) 388-1188

Forged Superlite Internal 4
Number Pistons: 4
Piston Type: Stainless
Piston Area: 5.18
Piston 1 Dia: 1.88
Piston 2 Dia: 1.75
Piston 3 Dia: -
Mount Description: 3.50" Lug Mount
Rotor Width: 0.81
Max Rotor Dia: 13.06

Forged Superlite Internal 4 Description

FSLI4 and FSLI4/ST calipers provide the pad wear performance advantages of differential bore pistons with the option for ultimate heat protection using Thermlock® pistons in the ST models. Differential piston bores compensate for leading-edge mechanical loading and temperature variances across the pad face to reduce pad taper wear in sustained high temperature applications. Thermlock® pistons in the ST models block heat transfer from the pads and reduce temperatures in the caliper, fluid, and seals by up to 25% over standard stainless steel pistons. These are the go-to calipers for all types sustained hard braking on dirt and asphalt ovals and a wide range of off-road, rally and road course applications.

Ordering Information for Forged Superlite Internal 4
Item No 120-11138
Info Details
Mount Location Left Hand
Finish & Color Type III Ano
Price $199.44
Purchase
Call (805) 388-1188
Item No 120-11137
Info Details
Mount Location Right Hand
Finish & Color Type III Ano
Price $199.44
Purchase
Call (805) 388-1188

Forged Superlite Internal 4
Number Pistons: 4
Piston Type: Stainless
Piston Area: 5.18
Piston 1 Dia: 1.88
Piston 2 Dia: 1.75
Piston 3 Dia: -
Mount Description: 3.50" Lug Mount
Rotor Width: 1.25
Max Rotor Dia: 13.06

Forged Superlite Internal 4 Description

FSLI4 and FSLI4/ST calipers provide the pad wear performance advantages of differential bore pistons with the option for ultimate heat protection using Thermlock® pistons in the ST models. Differential piston bores compensate for leading-edge mechanical loading and temperature variances across the pad face to reduce pad taper wear in sustained high temperature applications. Thermlock® pistons in the ST models block heat transfer from the pads and reduce temperatures in the caliper, fluid, and seals by up to 25% over standard stainless steel pistons. These are the go-to calipers for all types sustained hard braking on dirt and asphalt ovals and a wide range of off-road, rally and road course applications.

Ordering Information for Forged Superlite Internal 4
Item No 120-11330
Info Details
Mount Location Left Hand
Finish & Color Type III Ano
Price $199.44
Purchase
Call (805) 388-1188
Item No 120-11329
Info Details
Mount Location Right Hand
Finish & Color Type III Ano
Price $199.44
Purchase
Call (805) 388-1188

Forged Superlite Internal 4 ST
Number Pistons: 4
Piston Type: Thermlock
Piston Area: 5.18
Piston 1 Dia: 1.88
Piston 2 Dia: 1.75
Piston 3 Dia: -
Mount Description: 3.50" Lug Mount
Rotor Width: 0.81
Max Rotor Dia: 13.06

Forged Superlite Internal 4 ST Description

FSLI4 and FSLI4/ST calipers provide the pad wear performance advantages of differential bore pistons with the option for ultimate heat protection using Thermlock® pistons in the ST models. Differential piston bores compensate for leading-edge mechanical loading and temperature variances across the pad face to reduce pad taper wear in sustained high temperature applications. Thermlock® pistons in the ST models block heat transfer from the pads and reduce temperatures in the caliper, fluid, and seals by up to 25% over standard stainless steel pistons. These are the go-to calipers for all types sustained hard braking on dirt and asphalt ovals and a wide range of off-road, rally and road course applications.

Ordering Information for Forged Superlite Internal 4 ST
Item No 120-13156
Info Details
Mount Location Left Hand
Finish & Color Type III Ano
Price $349.98
Purchase
Call (805) 388-1188
Item No 120-13155
Info Details
Mount Location Right Hand
Finish & Color Type III Ano
Price $349.98
Purchase
Call (805) 388-1188

Forged Superlite Internal 4 ST
Number Pistons: 4
Piston Type: Thermlock
Piston Area: 5.18
Piston 1 Dia: 1.88
Piston 2 Dia: 1.75
Piston 3 Dia: -
Mount Description: 3.50" Lug Mount
Rotor Width: 1.25
Max Rotor Dia: 13.06

Forged Superlite Internal 4 ST Description

FSLI4 and FSLI4/ST calipers provide the pad wear performance advantages of differential bore pistons with the option for ultimate heat protection using Thermlock® pistons in the ST models. Differential piston bores compensate for leading-edge mechanical loading and temperature variances across the pad face to reduce pad taper wear in sustained high temperature applications. Thermlock® pistons in the ST models block heat transfer from the pads and reduce temperatures in the caliper, fluid, and seals by up to 25% over standard stainless steel pistons. These are the go-to calipers for all types sustained hard braking on dirt and asphalt ovals and a wide range of off-road, rally and road course applications.

Ordering Information for Forged Superlite Internal 4 ST
Item No 120-11332
Info Details
Mount Location Left Hand
Finish & Color Type III Ano
Price $349.98
Purchase
Call (805) 388-1188
Item No 120-11331
Info Details
Mount Location Right Hand
Finish & Color Type III Ano
Price $349.98
Purchase
Call (805) 388-1188

GM-Metric-Iron Single Piston Floater
Number Pistons: 1
Piston Type: Stainless
Piston Area: 3.14
Piston 1 Dia: 2.00
Piston 2 Dia: -
Piston 3 Dia: -
Mount Description: 5.46" Floating Mount
Rotor Width: 1.00
Max Rotor Dia: 11.75

GM-Metric-Iron Single Piston Floater Description

These all new cast, not rebuilt iron calipers are bolt-on replacements for 1978 and later GM Metric calipers widely used in "spec" racing categories and low cost disc brake conversions. Requires use of hardened Wilwood slide pins (sold separately), request part no. 230-0619 (slide pin kit) contains 4 slide pins, enough for two calipers

Ordering Information for GM-Metric-Iron Single Piston Floater
Item No 120-9333
Info Details
Mount Location Universal
Finish & Color Type III Ano
Price $90.74
Purchase
Call (805) 388-1188

GM-Metric-Iron Single Piston Floater
Number Pistons: 1
Piston Type: Stainless
Piston Area: 5.94
Piston 1 Dia: 2.75
Piston 2 Dia: -
Piston 3 Dia: -
Mount Description: 5.46" Floating Mount
Rotor Width: 1.00
Max Rotor Dia: 11.75

GM-Metric-Iron Single Piston Floater Description

These all new cast, not rebuilt iron calipers are bolt-on replacements for 1978 and later GM Metric calipers widely used in "spec" racing categories and low cost disc brake conversions. Requires use of hardened Wilwood slide pins (sold separately), request part no. 230-0619 (slide pin kit) contains 4 slide pins, enough for two calipers

Ordering Information for GM-Metric-Iron Single Piston Floater
Item No 120-8924
Info Details
Mount Location Universal
Finish & Color Bare
Price $90.74
Purchase
Call (805) 388-1188

Grand National GN6R
Number Pistons: 6
Piston Type: Stainless
Piston Area: 5.40
Piston 1 Dia: 1.75
Piston 2 Dia: 1.38
Piston 3 Dia: 1.38
Mount Description: 7.09" Radial Mount
Rotor Width: 1.38
Max Rotor Dia: 13.06

Grand National GN6R Description

Grand National GN6R forged aluminum six-piston radial mount calipers bring current state-of-the-art design, materials, and manufacturing technology to this long standing icon in the Wilwood caliper line. With a High-strength forged aluminum body in either hard-anodized or Quick-Silver nickel plate finish and Compatible with rotors from 1.25” to 1.38” thickness and diameters from 12.19” to 13.06”. Two body widths are available for use with .80” (20,3) or .99” (25,0) thick pads. Stainless steel pistons are included base model GN6R anodized calipers and Thermlock® pistons in the GN6R/ST models. Uses 3.5” or 6.0” center mount bracket kits to replace all previous Grand National caliper models.
Note 1. Caliper uses .80" (20mm) thick pads.
Ordering Information for Grand National GN6R
Item No 120-13947
Info Details
Mount Location Left Hand
Finish & Color Type III Ano
Price $374.99
Purchase
Call (805) 388-1188
Item No 120-13946
Info Details
Mount Location Right Hand
Finish & Color Type III Ano
Price $374.99
Purchase
Call (805) 388-1188

Grand National GN6R
Number Pistons: 6
Piston Type: Thermlock
Piston Area: 5.40
Piston 1 Dia: 1.75
Piston 2 Dia: 1.38
Piston 3 Dia: 1.38
Mount Description: 7.09" Radial Mount
Rotor Width: 1.38
Max Rotor Dia: 13.06

Grand National GN6R Description

Grand National GN6R forged aluminum six-piston radial mount calipers bring current state-of-the-art design, materials, and manufacturing technology to this long standing icon in the Wilwood caliper line. With a High-strength forged aluminum body in either hard-anodized or Quick-Silver nickel plate finish and Compatible with rotors from 1.25” to 1.38” thickness and diameters from 12.19” to 13.06”. Two body widths are available for use with .80” (20,3) or .99” (25,0) thick pads. Stainless steel pistons are included base model GN6R anodized calipers and Thermlock® pistons in the GN6R/ST models. Uses 3.5” or 6.0” center mount bracket kits to replace all previous Grand National caliper models.
Note 1. Caliper uses .80" (20mm) thick pads.
Ordering Information for Grand National GN6R
Item No 120-13949
Info Details
Mount Location Left Hand
Finish & Color Type III Ano
Price $550.00
Purchase
Call (805) 388-1188
Item No 120-13948
Info Details
Mount Location Right Hand
Finish & Color Type III Ano
Price $550.00
Purchase
Call (805) 388-1188


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Version: 1.3.13 May 2020