well i have researched for heads and have decided on a set of AFR 185cc for my 95 GT , but know have found my self pondering new questions.......will there be enough piston to valve clearence..... will the stock pistons work with the valves ....... what will the new compression ratio be with 58cc chamber ...... should i choose a different chamber maybe 60cc or 64cc ...... is the lift to high for the cam i want to use ( 274* duration .555 and .565 lift w/ 112 lope ) every time i think i have got some thing going i find my self stuck again