Front Brake Master Cylinder Rebuild Kit
For 1972-1981 Harley Big Twin FL/FX Models & 1973-1981 Sportster XL
Features:
- Front Brake Master Cylinder Rebuild Kit.
- Comes with Plunger/Piston with Rubber Seal, Piston Spring, Rubber Cap, Felt Washers & Retainer Clip.
- Fits ¾” Bore handlebar-mounted master cylinders on 1972-1981 Harley Big Twin FL/FX Models & 1973-1981 Sportster XL Models.
- Replaces HD# 45063-72
- We also offer this same rebuild kit with the master cylinder cover gasket - BPD-45407.
Fitment:
- Fits ¾” Bore handlebar-mounted master cylinders on 1972-1981 Harley Big Twin FL/FX Models
- 1973-1981 Sportster XL Models