WLD-19 Caliper – Part No: 120-14374
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Prod #: 120-14374
Price: $336.73

WLD-19/ST - Product Summary
Caliper No: 120-14374

Piston Count 2
Piston Area (in²) 2.06
Piston Type Thermlock
Dust Boot No
Rotor Dimensions
Rotor Width (in) 0.28
Rotor Diameter(in) 10.00
Pad Dimensions
Pad Area (in²) 3.79
Pad Volume (in³) 1.48
Duty Rating & Material
Material Forged Aluminium
Weight(Lbs) 2.3
Colors & Finish
Color Anodize
Finish Type III Anodize

Mount Center(in) 3.50
Mount Position
Mount Side Universal
Mount Type Lug
UPC Number
UPC 889545071276
Product Documents
Product Data Sheet

Click To Download
Installation Instructions

WARNING: Cancer and Reproductive Harm
Applicable to Brake Pads Only

120-14374 - Product Description


WLD-19 racing calipers provide the ultimate in strength, weight savings, and high efficiency brake clamping for F/F and all other formula category road race vehicles configured for use with the traditional LD19 lug mount style calipers. The calipers feature a high strength, light-weight 2.3 pound forged aluminum body fitted with machined stainless steel pistons in the standard WLD19 model, or heat-blocking Thermlock® pistons in the WLD19/ST models. All WDL19 series calipers utilize the same mounting centers, height and offset as the traditional LD20 calipers. The calipers accept Wilwood type 5310 brake pads, or any brake pad made to fit the original LD19 models.

Product Specifications

Rotor Compatibility
Rotor Width (in) 0.28
Maximum Rotor Width (in) 0.28
Minimum Rotor Width (in) 0.22
Maximum Rotor Diameter(in) 10.00
Minimum Rotor Diameter(in) 10.00

Brake Pad Specifications
Brake Pad Type 1 5310
Brake Pad Type 2
Brake Pad Type 3
Total Pad Area (in²) 3.79
Total Pad Volume (in³) 1.48
Piston Specifications
Piston 1 Bore (in) 1.62
Piston 2 Bore (in)
Piston 3 Bore (in)
Total Piston Area (in²) 2.06

Mounting Specifications
Mount Type Lug
Mount Side Universal
Mount Center(in) 3.50
Mount Hole Size(in) 0.39
Mount Height(in) 1.76
Inlet Thread Size 3/8-24
Pad Dimensions & Part Numbers
Pad Dimensions for the WLD-19/ST Pad Dimensions for the WLD-19/ST Zoom Image
Axle Set P/N
Pad Type
Non-Bedded Pads - by Compounds
PolyMatrix E
PolyMatrix H
Mount Dimensions & Part Numbers

Dimensions for the WLD-19/ST Dimensions for the WLD-19/ST Zoom Image

Additional Notes

Parts & Accessories

O-Ring Kit 130-4346
Replacement Dust Boot N-A
Replacement Piston 1
Replacement Piston 2 N-A
Replacement Piston 3 N-A
Replacement Piston 4 N-A
Cross-Over O-Ring Kit 130-10540
Bridge Bolt Kit N-A
Wear Plate L/H 300-12146
Wear Plate R/H 300-12146
Pad Retainer 180-3861
Bleed Screw Kit 220-0627
Self Bleeder Tube N-A
Cross-Over Tube N-A
Products commonly used with this item:

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Version: 3.05 June 23, 2023