400EX Ported Cylinder Head Porting Assembled Valve Full Port Head Kibble Valves

High-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 polish treatment, meticulously crafted for the intake, exhaust, and combustion chamber. Every component has been carefully assembled to ensure optimal performance, featuring:

• Kibblewhite Black Diamond Valves: Engineered for durability and heat resistance, these valves provide enhanced exhaust flow and improved throttle response.
• Kibblewhite Valve Springs, Retainers, and Seats: Designed to withstand higher RPMs, ensuring your engine maintains peak performance under pressure.
• Stage 2 Hotcam: Boosts horsepower and torque while enhancing your engine’s sound.
• Comprehensive Assembly: Your purchase includes everything you need – from valve stem seals to rocker arms and shafts – minus the camshaft, ensuring a hassle-free installation process.

Whether you're hitting the trails or the track, this ported head delivers power, performance, and reliability. Transform your ride with unmatched quality and precision. Order now and feel the difference in your engine's performance!