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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Features & Benefits:-
* Replaces OEM # 42415-79C
* 5/8in. bore for great multi-piston calipers.
* Rebuild Kit # BAI-17-0035AC-RB
Tech Tip:-
* Brake Line Options.
* Brake olive can be removed from the existing master cylinder & refitted to new master cylinder which then requires 3/8in. UNF flare nut fitting # GOO-P6150-03CH and re-use the factory brake line.
* Use 10mm banjo bolt # GOO-P775-03CH, 10mm banjo & universal brake line.