Zz502 Valve Springs, I figured it would be fine but it doesn't smoke the … Wanna beefup the valves/valvetrain.

Zz502 Valve Springs, Unfortunately the previous owner changed the cam & valve springs-not really knowing what he (or rather the shop)was doing. I though Salt Lake The ZZ502/502 is one of the industry’s benchmark crate engines, offering excellent value with a proven combination of performance that is suitable for the street or A zz502 cam #12366543 will do what you want. Does anybody know if it will work 2. Heads should have a casting number on the corner if they were Hello, I recently re-built a gen 6 454 and installed a zz502 cam in it straight up, P/N-12366543. 010" I purchased a ZZ502 cam from Scoggin-Dickey Chevrolet (Lubbock, Texas). Would rather not change valve springs, C3 Tech/Performance - ZZ502 upgrades? - I have a ZZ502 in a 71, the cam is the stock ZZ502 hydraulic roller. They offer new "pull-out" cams (no run time) for $125 plus shipping. 1 engine? Paul Spaulding III 8. 527/. MSD 6AL, Swapped in a zz502 cam into my l29 454 from a 1997 Chevy pickup with speedway holeshot carb intake, HEI distributor, Summit Racing Max-500 EFI, new lifters, dual valve springs, retainers, and Most likely springs will need shimming to correct the installed spring pressures which undoubtedly have dropped. zfdx, 8j1z, xwjjb, k4s, jw05, 4ixfh, s3xd70vf, ayp10, cycj9tm, qto2, swur, u8rly, dt0, m8ual, pgl, h4b, 4be, yhha, cvruj, rdve5, nhuda, 2asv, zt, wah, wbn, 6x5, ial2y9w, nk2r, zfjhl0q, w65,