Pro X Valve And Spring Kit - 28.SIS2424-2 Gas Gas 450F 2013-2015 Brand_Quad Logic Model specific no-hassle Trigger-Lock Mounting

Model specific no-hassle Trigger-Lock Mounting Hardware

Contains parts required to update clutch pushrod thrust bearing

Crank pin bearing radial running clearance is optimized to ensure maximum performance

1999 Arctic Cat Powder Special 1997-2000 Arctic Cat Thundercat MC 1997-1998

Pro X Valve And Spring Kit - 28.SIS2424-2 Gas Gas 450F 2013-2015 Brand_Quad Logic Model specific no-hassle Trigger-Lock MountingFeatures Replaces 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,