Pro-X 28.SIS4335-2 Steel Intake Valve and Spring Kit body-cabs-accessories-doors 1987-2021 Yamaha TW200

1987-2021 Yamaha TW200

1977-1998 Yamaha YZ250

2016-2025 KTM 125 SX

2018 John Deere Gator XUV 835R

Differential bore technology unless noted

Pro-X 28.SIS4335-2 Steel Intake Valve and Spring Kit body-cabs-accessories-doors 1987-2021 Yamaha TW200Material: Steel Replaces the OEM valves & 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