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@ TRAIL BIKES 3_SPEED_POINTS_TYPE 51MM_STROKER_CRANK UPGRADE_KIT TBW9090 10/15T (319K/Q/J/L/N/P)

THIS KIT IS FOR ALL 3_SPEED Z50'S AND 3_SPEED CT70'S WITH POINTS ONLY

THIS IS A LONG ROD STROKER CRANK, SO YOU MUST USE A MATCHING PISTON AND HEAD

IT IS FOR UPGRADEING ENGINES THAT ALL READY HAVE ANY TYPE 70CC HEAD AND THE 88CC CYLINDER WITH 52MM BORE

MUST BE USED WITH A 51MM OR BIGGER BORE CYLINDER


319K/Q/J/L/N/P