Grand National GN6R Caliper – Part No: 120-13947
Call (805) 388-1188
Grand National GN6R
Prod #: 120-13947
Price: $374.99
Available Caliper #120-13947 Configurations
Grand National GN6R - Product Summary
Caliper No: 120-13947

Pistons
Piston Count 6
Piston Area (in²) 5.40
Piston Type Stainless
Dust Boot No
Rotor Dimensions
Rotor Width(in) 1.38
Rotor Diameter(in) 13.06
Pad Dimensions
Pad Area (in²) 11.1
Pad Volume (in³) 6.9
Duty Rating & Material
Material Aluminum
Weight(Lbs) 8
Colors & Finish
Color Black
Finish Black Anodize

Mounting
Mount Center(in) 7.09
Mount Position
Mount Side Left Hand
Mount Type Radial
Product Documents
Product Data Sheet

Click To Download
Installation Instructions


120-13947 - Product Description

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.



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
Mount
Piston Specifications
Piston 1 Bore(in) 1.75
Piston 2 Bore(in 1.38
Piston 3 Bore(in) 1.38
Piston 4 Bore(in)
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

Additional Notes


Parts & Accessories

O-Ring Kit 130-3084
Replacement Dust Boot N-A
Replacement Piston 1 200-7531
Replacement Piston 2 200-7516
Replacement Piston 3 200-7516
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




Follow Wilwood on Facebook Follow Wilwood on Twitter see Wilwood Disc Brakes see Wilwood Disc Brakes
All images shown are for illustrative purposes only. Actual product received may be different than what is portrayed on the web site.
Wilwood makes every effort to maintain our web site to ensure the accuracy of prices and product information. However, product information and prices are subject to change without notice. Please call (805) 388-1188 before ordering to verify current prices and product information.
     Copyright © 2018 Wilwood Engineering, Inc. - All Rights Reserved