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Your cart is empty. HIGH-REV. SINGLE VALVE SPRINGS
Prevent 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
David
Reviewed in the United States on July 31, 2024
Very nice quality, I like empi products. I have multiple Vdubs and lots of empi products on them.
Leví
Reviewed in the United States on January 24, 2020
Perfect fitment, great quality.
Customer
Reviewed in the United States on January 20, 2016
Seem to work fine. haven't had any problems.
Ron T.
Reviewed in the United States on November 8, 2015
I used my valve spring tester and the springs tested real good. better then most other brands
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