Pro-X 28.SIS2444-2 Valve and Spring Kit electrical-turn-signals-components-flash-controllers 2013-2015 Ski-Doo MX Z TNT

2013-2015 Ski-Doo MX Z TNT 4-TEC 1200

For models Arctic Cat

2022-2023 Yamaha YZ450FX

2008 Polaris 600 HO IQ Touring

2009 Yamaha YXR700F Rhino 700 FI Sport Edition

Pro-X 28.SIS2444-2 Valve and Spring Kit electrical-turn-signals-components-flash-controllers 2013-2015 Ski-Doo MX Z TNTReplaces 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