- New


Get your Harley’s rear brake system back to peak performance without breaking the bank. The MCS Rear master cylinder rebuild kit, Kelsey-Hayes – HD Sportster 79-81, FL 79-84 offers a reliable, affordable solution to fix leaks, improve brake feel, and extend the life of your master cylinder. Perfect for riders who want precise control and safety on every ride.
Don’t let worn seals compromise your stopping power. This rebuild kit from MCS ensures your rear brakes feel firm and responsive, giving you confidence on every twist and turn. A smart investment for any Sportster or FL rider looking to maintain their bike’s legendary performance.
3/4" piston size. For 500595 Kelsey-Hayes style master cylinder assembly. Reproduction for OEM 42374-77B rebuild kit.No customer reviews for the moment.
check_circle
check_circle
Existing Account Login Login to your account
Reset Password
New Account Register