Rebuild Kit Caliper Harrop / HSV RearProduct Code: 05B 970713 If you are rebuilding or servicing your HSV or Harrop calipers then this is the kit you need. This rebuild kit is for the rear calipers fitted to HSV vehicles with our calipers or vehicles fitted with our "Street Performer" brake kit. Vehicle Applications: HSV Commodore VT VZ (Early) Kit Includes: 4 x Dust Boot 55 CAL DUSTBOOT S9 4 x Piston Seal 55 SEAL 1. 125 I D 2 x Caliper Seal 55 SEAL CROSSOVER 4 x Retaining Ring 98