Arlen Ness Brake Caliper Rebuild Kits Size:4-Piston The backing plate features a

The backing plate features a new patent-pending hidden breather system and a formed aluminum internal design resulting in more performance with no oil blow-bye issues

Machined Cuts on Top and Side of Floorboard

Scout Bobber models will require the use of hand control mounted mirrors (handlebar end mirrors will not work)

Fitment: 99-17 Twin Cam (5-hole)  / 17-UP M8 models (2-hole)

Arlen Ness Brake Caliper Rebuild Kits Size:4-Piston The backing plate features aRebuild kits for Arlen Ness performance brake calipers, available for both 6 piston & 4 piston calipers Contains everything needed to rebuild an Arlen Ness brake caliper Available for 6 piston & 4 piston calipers Each kit contains rebuild components for 1 brake caliper