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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
FULL RACE PORT AND POLISH TO YOUR CYLINDER HEAD
The parts we sell are not DIY
Makes roughly 140-150 psi
Q: What displacement does this kit produce
Wossner 10:1 stock bore forged piston
400EX Ported Cylinder Head Porting Assembled Valve Full Port Head Kibble Valves REVISE FULL RACE PORT AND POLISHHigh 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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