Hooker BlackHeart has quickly become the leader in engine swaps and we are excited to announce new products for 67-69 Camaro/Firebird vehicles with 5th Gen GM LT1/LT4 engines. The new Hooker BlackHeart LT Swap 304 Stainless Steel Long Tube Headers are designed specifically for use with Detroit Speed Inc. front subframes. They are to be used with Hooker BlackHeart transmission crossmember (P/N 71222017HKR) and engine mount bracket set (P/N 71221024HKR) for a trouble free install