400EX Ported Cylinder Head Porting Assembled Valve Full Port Head Kibble Valves REVISE Maxlock Titanium head stud kit

Maxlock Titanium head stud kit – Lifetime Warranty

Wossner 10:1 stock bore forged piston

Makes roughly 140-150 psi

The parts we sell are not DIY

400EX Ported Cylinder Head Porting Assembled Valve Full Port Head Kibble Valves REVISE Maxlock Titanium head stud kitHigh 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