V2 Race Head Upgrade Kit - TBW9176

This a great, potent upgrade for those who already have a TB 143cc, 165cc, or 178cc bore kit. It adds the race head V2 and intake kit to your existing bore kit to deliver a great level of performance.

Kit includes: 

• Forged anodized aluminum roller rockers
• Huge 30mm intake and 24.5mm exhaust valves
• Stainless steel valves (21-4N material)
• 27mm intake port, 23mm exhaust port
• Race camshaft V2-1 (TBW0473 – we can sub cam TBW0577 if preferred)
• Cam sprocket

NOTE: 
MUST BE USED WITH AN AFTERMARKET FUEL CONTROLLER TO PREVENT A LEAN CONDITION AND DAMAGE TO YOUR ENGINE
WE RECOMMEND PREMIUM FUEL