ProX Valve and Spring Kit Exhaust Suzuki | 28.SES3338-1 sale10 The enduro ride profile tracks

The enduro ride profile tracks total ascent and descent from each run and for the ride overall

YAMAHA YZ 250 FX (2021-2022)

2016 - Sportsman 570 SP

Compatible with other accessories

Great for trackside or shop use

ProX Valve and Spring Kit Exhaust Suzuki | 28.SES3338-1 sale10 The enduro ride profile tracksReplaces 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