Product#: HP451PM

ATK Engines; High Performance Crate Engine; HP451PM; Stage 2 Mid Dress GM Aluminum Head V8 454/525HP/550TQ

ATK has been building engines for over 75 years and has assembled this dyno-proven crate engine package to power up your ride. Classic Industries® dedication to bringing the highest quality products on the market,...

Product#: HP36M

ATK Engines; High Performance Crate Engine; HP36M; Stage 2 Mid Dress GM Aluminum Head Stroker V8 383/435HP/475TQ

ATK has been building engines for over 75 years and has assembled this dyno-proven crate engine package to power up your ride. Classic Industries® dedication to bringing the highest quality products on the market,...