rts steel caliper bracket conversion kit, suit holden hq-wb spindle with factory rotor, wilwood 4-piston, 5.25" pcd

These carbon-steel bracket conversion kits allow you to mount a Wilwood 4-piston ADR caliper to the original Holden HQ-WB stub axle with original or Wilwood discs. Includes bolts and washers for mounting to the calipers and stub axle.