PERFORMANCE MACHINE (PM) Four-Piston Differential-Bore Caliper Replacement Rubber Parts

PERFORMANCE MACHINE (PM) Four-Piston Differential-Bore Caliper Rebuild Rubber Parts Restore braking performance with the PERFORMANCE MACHINE (PM) Four-Piston Differential-Bore Caliper Replacement Rubber Parts . This rebuild kit replaces worn rubber components to help maintain proper caliper sealing and response for confident street riding. Designed for 137 x 4 Type calipers , these quality replacement rubber parts are engineered to match your caliper’s requirements, supporting smoother operation and consistent braking feel. Key Features Fits: 137 x 4 Type calipers Replacement rubber parts for caliper rebuilds 4-piston differential-bore caliper application Riding style: Street Units: Kit Product Specifications Type: Brake Caliper Rebuild Kit Product Name: Rebuild Kit Caliper Pistons: 4 Piston Material: Rubber Color/Finish: Black Weight: 1 lbs Dimensions: 5.9" x 4.33" x 0.39" Upgrade your restoration with genuine PM-quality rubber replacement parts for a renewed caliper seal and dependable daily performance.