Friday, April 20, 2018
Grand National GN6R Caliper – Part No: 120-13949-N
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Grand National GN6R Product Number: 120-13949-N     Price: $550.00
Available Caliper #120-13949 Configurations

Nickel Caliper

Right Hand

Nickel Caliper

Left Hand

Caliper No: 120-13949-N
Wilwood Grand National GN6R Caliper

Wilwood Grand National GN6R Caliper
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Grand National GN6R
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 Quick-Silver nickel plate models. Uses 3.5” or 6.0” center mount bracket kits to replace all previous Grand National caliper models.  

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120-13949-N - Product Summary
Count: Area (in²): Type: Dust Boot:
6 5.40 Thermlock No
Rotor Dimensions
Rotor Width(In): Rotor Diameter(In):
1.38 13.06
Pad Dimensions
Pad Area (in²): Pad Volume (in³):
11.1 6.9
Mount Center(In): Mount Position: Mount Side: Mount Type:
7.09 Left Hand Radial
Duty Rating & Material
Material: Weight(Lbs):
Aluminum 8.15
Colors & Finishes
Color: Finish:
Nickel Nickel Plate
Product Documents
Full Product Product Data Sheet Installation Instructions
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Vehicle Applications

Product Specifications
Rotor Compatibility
Rotor Width(In): 1.38
Maximum Rotor Width(In): 1.38
Minimum Rotor Width(In): 1.25
Maximum Rotor Diameter(In): 13.06
Minimum Rotor Diameter(In): 12.19
Brake Pad Specifications
Brake Pad Type 1: 7520
Brake Pad Type 2: N-A
Brake Pad Type 3: N-A
Total Pad Area (in²): 11.1
Total Pad Volume (in³): 6.9
Pad Dimensions & Part Numbers
Pad Dimensions for the Grand National GN6R

Pad Dimensions for the Grand National GN6R
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Mount Dimensions for the Grand National GN6R

Mount Dimensions for the Grand National GN6R
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Piston Specifications
Piston 1 Bore(In): 1.75
Piston 2 Bore(In): 1.38
Piston 3 Bore(In): 1.38
Total Piston Area (in²): 5.40
Mounting Specifications
Mount Type: Radial
Mount Side: Left Hand
Mount Center(In): 7.09
Mount Hole Size(In): 0.45
Mount Height(In): 2.33
Inlet Thread Size: 1/8-27 NPT
Mount Dimensions & Part Numbers
Dimensions for the Grand National GN6R

Dimensions for the Grand National GN6R
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Parts & Accessories
O-Ring Kit: 130-3084
Replacement Dust Boot: N-A
Replacement Piston 1: 200-7551
Replacement Piston 2: 200-7554
Replacement Piston 3: 200-7554
Replacement Piston 4: N-A
Cross-Over O-Ring Kit: 130-10540
Bridge Bolt Kit: N-A
Wear Plate L/H: 300-5922
Wear Plate R/H: 300-5923
Pad Retainer: N-A
Bleed Screw Kit: 220-0627
Self Bleeder Tube: N-A
Cross-Over Tube: N-A