modification 11 header designed for 302wengines using the ar svo aluminum heads ... not fit 1973 cars equipped with the 440 engine 27 two tubes over frame on each side 28 ... on these models 43 fits integral head engine only i.e intake manifold is part of the ... 47 designed for use with danchuk style engine mount and rear transmission crossmember ... fits 1971-87 only 56 will not fit efi engines 57 this is a replacement shorty style ... which will bolt directly to the stock 302 h-pipe headpipes 58 this is a ... this header requires the use of hooker engine swap front frame mount kit part #12678 ... this header requires the use of hooker engine mount kit part #12679 stock ... headpipes 67 header designed for engines equipped with tfs aluminum heads 68 ... for racing purposes only 79 requires engine setback rack and pinion steering will ...