1987 - 2004 YAMAHA WARRIOR 350 YFM350 PRO-X STEEL INTAKE & EXHAUST VALVE SET

Upgrade Your Engine's Reliability with ProX Steel Valves

When you are logging long hours on the track or the trail, you need valvetrain components that can handle the abuse. ProX Steel Valves are the ultimate solution for riders who want to maximize engine longevity without breaking the bank.

Manufactured by leading OEM factories in Japan, these valves are crafted from premium-grade steel to meet exact OEM specifications and tolerances. Whether you are replacing worn-out stock valves or converting from expensive, fast-wearing titanium, ProX delivers a direct, cost-efficient drop-in replacement. They are engineered to provide exceptional wear resistance, minimizing friction and keeping your engine performing at its peak under extreme stress.

Why Choose ProX Steel Valves?

• Premium Steel Construction: Made from high-grade, durable steel designed for superior heat and wear resistance.

• OEM Precision: Machined to exact factory specifications and tolerances for a flawless fit and reliable seal.

• Seamless Compatibility: Fully compatible with all your existing OEM valve train components, including springs, guides, bases, and retainers.

• Cost-Effective Durability: A significantly more affordable alternative to titanium valves that extends your service intervals and reduces maintenance costs.

• Proven Manufacturing: Produced in Japan by the same factories that supply major motorcycle and ATV manufacturers.

Get back to riding with confidence. Choose ProX Steel Valves for unmatched durability and performance you can trust.

KIT INCLUDES:

PRO-X 28.2487-2 STEEL INTAKE VALVE

PRO-X 28.2487-1 STEEK EXHAUST VALVE