X Our Site utilizes cookies. By utilizing the web site you agree ot its use. Additional information are available within our privacy policy. Now I switched to the 385 psi double spring set, caddy race lifters and also the hollow consumption valves. Hoping that does the trick. for now stock https://preniumdirectory.com/listings13404939/the-smart-trick-of-6-2-ls3-that-no-one-is-discussing