The Wilwood Grand National GN6R six-piston forged-aluminum radial-mount caliper brings modern design and materials to high-performance braking. Available in hard-anodized or Quick-Silver finishes, it accepts rotors 1.25"–1.38" thick with diameters from 12.19" to 13.06". Two body widths accommodate .80" or .99" pads; stainless steel pistons are standard and specific GN6R/ST models include Thermlock pistons.
Wilwood Caliper-GN6R-R/H-Black Ano (.80 Thk Pad) 1.75/1.38/1.38in Pistons 1.38in Disc