ditzel2006

have a question anyone use the felpro headgaskets before they are the stock size part number 9284pt was wondering if they are thinner than the gm mls stock headgaskets because i had a problem when they were shipped and got damaged so im forced to go buy some felpro because putting my car back together and dont wanna have to wait a week for a new set to come. also i have the tsp 2.5 5.3 heads going on and had them milled .015 over and running the torquer v3. so been wondering whether i should have went with a thinner headgasket than stock to up the compression a little more any help is appriciated