Performance Machine Caliper Rebuild Kit 125X4R; 125X4RSPH; 125X4SL; 125X4S; BC41954

Performance Machine, caliper seal kit. Various 125x4

Stock replacement for brake caliper 125x4R, 125x4RSPH, 125x4SL, 125x4S 'Radial' and 'Vintage', 125x4 'Race Series' radial calipers. 
Piston seals / O-rings are approximately 3.15mm thick and 3.15mm width (dimensions for your reference only).