TB Parts Race Head V2 Upgrade Kit - YX150 / YX160 - TBW9028 tbw0956 If you want to check

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3 extra pilot jets

and hard anodizing

We top off the roller head with a 28mm performance carb kit that is easy to tune and works great with this large bore kit

TB Parts Race Head V2 Upgrade Kit - YX150 / YX160 - TBW9028 tbw0956 If you want to checkTrail Bikes TB Parts 143cc 60mm Race Head V2 Upgrade Kit GPX YX150 160 TBW9028 Description: Race Head V2 Roller rockers, 30mm intake valve, 24. 5mm exhaust valve, 27mm intake port, 23mm exhaust port (valves installed). Race Camshaft V2 2 for Race Head V2 (TBW0577) Lightweight high compression domed 60mm piston with rings, pin, & clips 60mm Head gasket kit includes the cylinder head o ring set and an exhaust gasket. This kit is to upgrade the cylinder