TB 143cc Bore Kit, Race Head V2, and Intake Kit – 2010 & Up Models ott The addition of roller rocker

The addition of roller rocker arms and a new camshaft are the biggest changes

The reinforced carcass and a flexible sidewall helps it to absorb impacts and ensure maximum traction and directional stability

UTV and many other applications

They are machined from solid 4140 Chrome Moly and Cerakoted in Bronze finish

Air-cooled engines run hotter when modified (i

TB 143cc Bore Kit, Race Head V2, and Intake Kit – 2010 & Up Models ott The addition of roller rocker143cc Race Head V2, Big Bore Kit, and Intake Kit: TBW9199 Race Head V2 Forged Aluminum Roller Rockers, 30mm intake valve, 24. 5mm exhaust valve, 27mm intake port, 23mm exhaust port (valves installed). Race Camshaft V2 1 for Race Head V2 Ceramic coated all aluminum cylinder (no steel sleeve) New in 2020 Updated Lightweight high compression domed 60mm piston with rings, pin, & clips Head gasket kit includes the cylinder head o ring set and an exhaust