Supertech Valve Train Upgrade Kits increase the reliability of your modified engine by reducing the possibility of valve float at high rpm. Includes lightweight, precision-machined titanium valve retainers, and racing valve springs.

Suitable for all Yamaha Svho and Sho watercrafts.

Press.Seat: 58lbs @34.70mm
Press.Open: 143 @10mm
Coil Bind: 20.70mm
Max Lift: 14.00mm
Retainer: RET-YA3020
Seat Locator : SEAT-YA3020