Gsr head gasket ???
I dont know what the stock headgasket size is but i... im gettin one soon once i take the head off the motor and i seen one that hks makes that 2.6mm with 82.5 bore.... is that stock or thicker.. if its thinker wont it lower my compression , and if so how much would it or better yet wat will the compression be with this gasket... what would be the stock compression on a gsr any... would this gasket make me slower.. any help would be appreciated...thanx