S stone Free Member Mar 18, 2010 #1 Does any one Know the thickness of the head shim used on the Apex 290 hp kit, I bought a sled with the turbo on it and the owner doesn't remember the thickness. Thanks for any help.
Does any one Know the thickness of the head shim used on the Apex 290 hp kit, I bought a sled with the turbo on it and the owner doesn't remember the thickness. Thanks for any help.
