TBParts - 143, 165, & 178cc Race Head V2 and Intake Upgrade Kit

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 greater level of performance.

NOTE:

• TBW0473 cam is stronger through the low and mid range with a little less on the very top.
• TBW0577 cam is a little stronger on the very top with less through the low and mid range.

Key Features:

• 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)

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

Available Options:

Cam Choice:
Race Camshaft V2-1 TBW0473 s25 TypeRace Camshaft V2-2 TBW0577 s35 Type