RTS Steel Caliper Bracket Conversion Kit, HQ HJ HX HZ WB Spindle, Factory Disc Rotor, Wilwood 4 piston, 5.25 in. Bolt Circle KIT Optional extra with the single

Optional extra with the single pump kit

engine covers

VT-VZ Commodore require spacer part number AF64-2184BLK to the clear block

which increases the turbo RPM significantly

Innovative additive technology ensures excellent protection against wear

RTS Steel Caliper Bracket Conversion Kit, HQ HJ HX HZ WB Spindle, Factory Disc Rotor, Wilwood 4 piston, 5.25 in. Bolt Circle KIT Optional extra with the singleRTS Steel Caliper Bracket Conversion Kit, HQ HJ HX HZ WB Spindle, Factory Disc Rotor, Wilwood 4 piston, 5. 25 in. Bolt Circle This steel bracket conversion kit allows you to mount Wilwood 4 piston ADR calipers to original Holden HQ WB stub axles using the factory disc. Includes bolts and washers for mounting to the calipers and axles.