Big Bore Kit 88cc Cylinder Head Piston Carb Z50 Z 50 50 A R CT SL XL TRX ATC 70

  
Kit Consists of TBW0219, TBW0206, TBW0156, TBW0125. Race Head, 88cc Big Bore kit, and 20mm Carburetor Performance Kit: 69-81 z50 ct70, all sl70 xl70 atc70 trx70. 6/26/06 Our Race Head has been updated for even more performance! It now has 25/22mm valves with better porting/flow. We also kept the combustion chamber the same size and changed the angle of the valves slightly. This will really wake up your stock engine and is comparable in power to the much larger Chinese 124cc engines!!!

Lightweight aluminum cylinder with steel sleeve - Cast in mounts on cylinder for aftermarket skid plates - Oversized cooling fins on cylinder for efficient heat dissipation - 52mm high compression piston with rings, pin, & clips - Head gasket kit - High performance race camshaft and Honda cam sprocket. Larger valves (now 25/22mm) and better flow for increased performance.

Also has bigger cooling fins. Includes all necessary parts and. 06/08 - The exhaust valve has been upgraded to stainless steel (21-4N material). Includes: 20mm carb, intake, heatstop, gaskets, mounting hardware/wrench, long adjustable throttle cable, and a air filter.

12/08 - main jet kit is now included too! We recommend purchasing a high volume oil pump kit. 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). Can't find what you are looking for?

YOU MUST REQUEST A TOTAL BEFORE PAYING. Does not include electrical or engine parts.