Description

Rear master cylinder rebuild kit, Kelsey-Hayes

3/4″ piston size. For 500595 Kelsey-Hayes style master cylinder assembly. Reproduction for OEM 42374-77B rebuild kit.

Fits: > 79-81 XL Sportster; 79-84 FL; L79-83 FX; 80-85 FLT/Touring (NU)