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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
Makes roughly 140-150 psi
Wossner 10:1 stock bore forged piston
The only truly complete cylinder head stud bolt kit you can buy
**Products we sell: We sell parts from the best names in the industry
A: Absolutely—improved airflow and reed dynamics significantly enhance throttle response
400EX Ported Cylinder Head Porting Assembled Valve Full Port Head Kibble Valves REVISE Makes roughly 140-150 psiHigh Performance 400EX Ported Cylinder Head & Complete Valve Assembly Enhance Your Engine's Power! Unlock the full potential of your Honda 400EX, 400X, or XR400R with our top of the line Ported Cylinder Head and Valve Assembly. Designed for both stock and modified engines, this brand new aftermarket product is engineered to elevate your ride's performance to new heights. Experience the ultimate in power and efficiency with our full race port and
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