- 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, bases and valve seals
ProX
Prox Valve And Spring Kit - Intake - Yamaha 28.Sis2444-2
$159.95
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ProX
Prox Valve And Spring Kit - Intake - Yamaha 28.Sis2444-2
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