ProX Valve and Spring Kit Intake Kawasaki | 28.SIS4338-2 Kayo Featuring a reformed ergonomic profile

Featuring a reformed ergonomic profile and shape

2010 - WR250F

sporty look while sending the message that you're up for anything

2020 - Sportsman 570

providing unparalleled protection for your investment

ProX Valve and Spring Kit Intake Kawasaki | 28.SIS4338-2 Kayo Featuring a reformed ergonomic profileReplaces 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