Product Description
HIGH-REV. SINGLE VALVE SPRINGSPrevent engine damage due to valve float or worn and weak valve springs. Made from special silicone spring steel.
For high RPM applications, our Single Valve Springs, P/N: 4040 offers improved control and reliability.
P/N: 4040 is approx. 166 lbs.at seat pressure and the free length is 2.400"
4040 High Rev. SINGLE Valve Springs, Set of 8