Trail Bikes 88cc Kit 1982-1987 Honda Z50 - Stock Head

88cc Big Bore Performance Kit (52mm): - Lightweight aluminum cylinder with steel sleeve - Cast in mounts on cylinder for aftermarket skid plates - Oversized cooling fins on cylinder for efficient heat dissipation - High compression 52mm piston with rings, pin, & clips - Head gasket kit We recommend purchasing a high volume oil pump.

Installation Note: It will save a lot of time and effort if the oil pump is installed while installing the bore kit (requires cylinder removal).


TBW0929$124.00TBW0226 Oil Pump with Drill Bit:  TBW0206:  TBW0156:  TBW0365: 


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