Pro-X 28.SES4335-1 Steel Exhaust Valve and Spring Kit tires-wheels-tire-chains 2013-2014 Harley Davidson FXSB Breakout

2013-2014 Harley Davidson FXSB Breakout

The ultimate 2T pre-mix

2012-2014 Sea-Doo RXT X 260

S640 - PistonPin 22mm x 63

Thread: 10mm

Pro-X 28.SES4335-1 Steel Exhaust Valve and Spring Kit tires-wheels-tire-chains 2013-2014 Harley Davidson FXSB BreakoutMaterial: 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