Kelsey Hayes Style Rear Brake Master Cylinder with 5/8in. Bore – Chrome. Fits FX 1980-1983, FXWG 1980-1982 & Sportster 1980-1981.

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USA MADE!* 5/8? bore for multi-piston caliper* Use 26248 3/4? bore for OEM single piston caliper* Rebuild kit BDL-GMA-MRCB1Brake Line Options:1. Brake olive can be removed from the existing master cylinder & refitted to new master cylinder which then requires 3/8? UNF flare nut fitting PAI-284 and re-use the factory brake line2. Use 10mm banjo bolt PAI-109, 10mm banjo & universal brake line
MFR PART No: GMA-MC-1K-P

ROLLIES PART No: BDL-GMA-MC-1K-P