ProX Valve and Spring Kit Intake Yamaha | 28.SIS2444-2 Rieju Whether you're an expert or

Whether you're an expert or a novice

000 g/in2/day)

(2) End Links

Compatible with SuperATV turn signal kits

It's exactly what you need for more protection and an intimidating look

ProX Valve and Spring Kit Intake Yamaha | 28.SIS2444-2 Rieju Whether you're an expert orReplaces the OEM valves and valve springs Steel, nitrided valves for increased durability and less wear under extreme conditions Stronger valve springs deal with the extra weight of the steel valves Springs are made from premium chrome vanadium steel for higher performance and durability at high rpm Kit contains a set of steel intake or exhaust valves plus a set of specially designed valve springs; can be installed using the OEM retainers, bases and