I already have headers on my 350, so i am assuming they will bolt right on if there is an issue with these. Got more info on the engine. It is a 557, but the heads, block etc have been decked along with rotating assy changed. Has flat tops and 9 to 1 compression. This is a verrrrry good deal!
1968 Firebird, 350 4V, TH350 with trans-go, 69 slap shifter, 8.5 inch 10 bolt 3.42 posi