Originally Posted by pittsburghracer


Every shim I buy for every head is a hardened shim. I refuse to use the cheapies. Any shim will wear over time but the hardened ones hold up well
iagree up
i have used standard shims mixed with the tool steel shims and I make sure the harden tool steel, spring steel shims, are installed next to the springs up scope

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)