4 Piston GP320 Modified for Jacob's Jacker


This GP320 Caliper is modified for use with our Jacobs Jacker Bearing carrier when using the caliper mounted to the bearing carrier.

Billet aluminum, 3.50" mounting hole distance. Pads sold separately. Designed to be used with 3/16" rotors, so no need for spacers. (4) 1.250" diameter pistons. Will work with Hyper’s X7 style bearing carriers with correct brake mounting plate. 05-1133S9L & 05-1133S9S. It iwll work with the X6 bearing carriers with the 05-1130S Plate
Wilwood GP320 brake caliper is a compact, high-efficiency performer, weighing in at just 1.70 lbs. GP320 was purpose built as an upgrade with increased pad size over two piston calipers on lightweight open wheeled race cars. The bridge configuration will accommodate rotors between 0.19" and 0.25" thick.