ProX Valve and Spring Kit Intake Honda | 28.SIS1336-2 Harley Davidson Safe and effective 3-step system

Safe and effective 3-step system to bring a chain back to life

creek or sand

Adjustable reach with 4 inches of range

you can install huge tires and never get high-centered

Included In The Box

ProX Valve and Spring Kit Intake Honda | 28.SIS1336-2 Harley Davidson Safe and effective 3-step systemReplaces 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