harrison billet 4 piston rear custom caliper kit 710013 harrison billet 6 piston ... rear custom caliper kit 721401 pm rear custom caliper kit ... standard finish 721402 pm rear custom caliper kit polished zodiac s sportail ... drive the superass requires an offset front pulley or a spacer behind the front ... it will also accept many other custom front forks the frame will take any 1974 thru ... of the swingarm a rigid frame type rear caliper kit must be used 236176 complete ... and nut stainless swingarm plate rear brake anchor rod front motor mount rear motor ... shock protection plate 236172 rear brake anchor rod 236174 front motor mount ... tÜv approved as a replacement frame for harley-davidson sportster motorcycles they may be used ... with our tÜv approved ceriani front forks and/or any other tÜv approved ...