Kelsey Hayes Style Rear Brake Master Cylinder with 3/4in. Bore - Chrome. Fits FX 1980-1983, FXWG 1980-1982 & Sportster 1980-1981.

Features & Benefits:-

* 3/4" bore for OEM single piston caliper.

* Replaces OEM # 42453-80A, 42454-80, 42415-79A, 42454-80A &

42454-82A

* Rebuild Kit & BAI-17-0035C-RB

Tech Tip:-

* Brake Line Options.

* Brake olive can be removed from the existing master cylinder & refitted to new master cylinder which then requires 3/8" UNF flare nut fitting # GOO-P6150-03CH and re-use the factory brake line.

* Use 10mm banjo bolt # GOO-P775-03CH, 10mm banjo & un iversal brake line.

MFR PART No: 17-0035C

ROLLIES PART No: BAI-17-0035C