Valves, spring kits, and titanium retainers built specifically for the Yamaha GP1800/FX1800 jet ski platform. System-matched components, not parts-bin guesswork.
YAMAHA GP1800/FZR/FZS/FX STOCK SIZE SUPER ALLOY EXHAUST VALVE
Our race series valve is forged from an IN-751 Super Alloy. This material is necessary for these applications that have high EGT's that are generated by the chargers and turbos. They are then heat...
Yamaha GP1800/FZR/FZS/FX Single Spring/Retainer Kit
Pro Valve Racing takes a scientific "System" approach when designing our Valve spring kits. Each component is designed to work with the others as part of the complete system. Pro Valve Racing's eng...
YAMAHA GP1800/FZR/FZS/FX STOCK SIZE RACING STAINLESS INTAKE VALVE
Our race series valve is forged from an EV-8 alloy then heat treated and stress relieved with a solution style heat treat process for better control though and through.
This process produces a be...
Yamaha GP1800/FZR/FZS/FX Dual Spring/Retainer Kit
Pro Valve Racing takes a scientific “System” approach when designing our Valve spring kits. Each component is designed to work with the others as part of the complete system. Pro Valve Racing's eng...
Yamaha FZR/FZS/GP Titanium Retainers Set of (16)
Pro Valve Racing's Titanium Retainers are manufactured using the latest CNC technologies from a Grade-5 Ti62 aerospace alloy with certifications.
These retainers are designed to replace stock reta...
YAMAHA GP1800/FZR/FZS/FX STOCK SIZE RACING STAINLESS INTAKE VALVE SET OF (8)
Our race series valve is forged from an EV-8 alloy then heat treated and stress relieved with a solution style heat treat process for better control though and through.
This process produces a be...
Yamaha FZR/FZS/GP/FX Bronze Valve Guides Set of (16)
The valve guide supports the intake/exhaust valve stem, stabilizes the valve attitude and allows heat transfer from the valve to the cylinder head for more efficient cooling hence, it needs to be p...
YAMAHA GP1800/FZR/FZS/FX STOCK SIZE SUPER ALLOY EXHAUST VALVE SET OF (8)
Our race series valve is forged from an IN-751 Super Alloy. This material is necessary for these applications that have high EGT's that are generated by the chargers and turbos. They are then heat...