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RACE HEAD FOR 1988 TO 2016 Z50R XR50 CRF50 temp out of stock

22mm and 25mm diameter valves

comes with a 52mm domed piston kit

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i have a replacement piston listed below on this page

TBW9005A$189.95

52MM_PISTON_KIT (NEW_70_DOME)  (LONG_ROD)  (SHORT_CYLINDER) 4/15R (100038) 52MM_PISTON_KIT (NEW_70_DOME) (LONG_ROD) (SHORT_CYLINDER) 4/15R (100038) THIS PISTON IS TO BE USED WITH A LONG ROD CRANK (82 AND NEWER) AND ANY TYPE 70CC HEAD.

100038$41.95