2020-2022 Yamaha YZ450F DEF-Racing Oversize Intake Valve Pair (TITANIUM)

Description

Greatly improve the performance of your 2020-2022 Yamaha YZ450F with our high-performance Oversize Valve Kit, designed for serious racers and enthusiasts alike. This valve pair includes a total of two titanium intake valves, engineered for optimal airflow and durability.

Product Features:

• Intake Valves: Increased diameter size of 39mm (+2mm)
• Valve Stem Size: Remain OEM of 5.5mm
• Material: Made in the USA with high-quality steel and titanium for exceptional strength and longevity.
• Design: Proprietary tulip shapes and margin shapes specifically designed to improve airflow across all RPMs as well as increase piston to valve clearance!
• Piston to Valve Clearance: Designed to increase clearance for performance tuning and enhanced operation.
• Durability: Built to withstand the harshest conditions of drag racing and flat track competition.

For the best results, we recommend using this valve kit with a properly ported head to fully unlock its potential.