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.
Specifications
- Piston Count: 6
- Piston Area (in²): 5.40
- Piston Type: Thermlock
- Dust Boot: No
- Rotor Width (in): 1.38
- Rotor Diameter(in): 13.06
- Pad Area (in²): 11.1
- Pad Volume (in³): 6.9
- Material: Forged Aluminium
- Weight(Lbs): 8.2
- Color: Anodize
- Finish: Type III Anodize
- Mount Center(in): 7.09
- Mount Side: Left Hand
- Mount Type: Radial
- 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 Type 1: 7520
- Total Pad Area (in²): 11.1
- Total Pad Volume (in³): 6.9
- Piston 1 Bore (in): 1.75
- Piston 2 Bore (in): 1.38
- Piston 3 Bore (in): 1.38
- Total Piston Area (in²): 5.40
- Mount Hole Size(in): 0.45
- Mount Height(in): 2.33
- Inlet Thread Size: 1/8-27 NPT
- O-Ring Kit: 130-3084
- Replacement Piston 1: 200-7551
- Replacement Piston 2: 200-7554
- Replacement Piston 3: 200-7554
- Cross-Over O-Ring Kit: 130-10540
- Bridge Bolt Kit: 300-14218
- Wear Plate L/H: 300-5922
- Wear Plate R/H: 300-5923
- Bleed Screw Kit: 220-0627
