Exhaust Valve (Steel / 30.5mm - Stock Size) These are replacement steel valves for use on the stock seats. Perfect for stock applications where an oversized stainless steel valve is not needed. These are OEM quality steel valves that are the stock...

Intake Valve (Steel / Stock Size 37.5mm) These are replacement steel valves for use on the stock seats. Perfect for stock applications where an oversized stainless steel valve is not needed. These are OEM quality steel valves that are the stock size...