65 barracuda headers
4323345 cop heads are 360 castings. 75cc open chamber 1.78 or 1.88 intakes (conflicting data) but the 318 never came with 4bbl heads, they just used the 360s on the limited 318/4 apps. Id try magnum logs...see if they fit. They flow pretty darn good for $50 a set, almost good 68 340 log numbers.