A320001 Replacement Parts 4 Piston Caliper Seal Kit

This Arlen Ness Super Stopper rebuild kit provides the essential seals required to refresh a 4-piston brake caliper. Designed specifically for the Arlen Ness billet aluminum caliper range, these components ensure the hydraulic system remains airtight and responsive. The original calipers feature a CNC machined 3D sculptured design with integrated cooling fins to manage heat during aggressive braking. Using this dedicated rebuild kit maintains the performance standards of the Super Stopper series, which is engineered for both form and function on custom Harley-Davidson builds. It is an essential maintenance item for riders looking to restore factory-level braking feel and safety.