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GM ATK Base Engines

Our Base Engine, or Stage 1 Engine, is designed for those that may have their own component parts already and who also are interested in completing out the build themselves. A GM base engine typically consists of the following: Short Block, Camshaft, Timing set, Cylinder heads, Valve covers, Timing cover, oil pan, oil pump & pick up tube.

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Chevy 350 Base Engine 325HP
ATK HP291P Chevy 350 Base Engine 325HP
Our Price (USD): $2,496.00

Classic 350 with great street manners, and vacuum for all your power accessories. more info
Chevy 350 87-95 TBI Base Engine 290HP
ATK HP31 Chevy 350 87-95 TBI Base Engine 290HP
Our Price (USD): $2,777.00

This engine was designed to run with all your vehicles stock components. Must have a chip burned, upgraded intake and headers for optimal performance. more info
Chevy 350 Base Engine 350HP
ATK HP32 Chevy 350 Base Engine 350HP
Our Price (USD): $2,884.00

Great crate engine noticeable Idle, but still good vacuum for you power accessories. more info
Chevy 350 Vortec Base Engine 315HP
ATK HP74 Chevy 350 Vortec 96-00 Truck Base Engine 315HP
Our Price (USD): $2,931.00

This engine is an upgrade for 1996-2000 Chevy trucks or SUVs the ECM must be tuned and headers are need to get the full potential out of this engine. We test this engine with an aftermarket EFI system on an engine dyno, power ratings may vary. more info
Chevy 350 Base Engine 345HP
ATK HP98 Chevy 350 Base Engine 345HP
Our Price (USD): $2,990.00

Classic 350 with great street manners, and vacuum for all your power accessories. more info
ATK HP97 Chevy LM7 5.3L 99-07 Truck Base Engine 385HP
ATK HP97 Chevy LM7 5.3L 99-07 Truck Base Engine 385HP
Our Price (USD): $3,255.00




This engine was designed to be a performance upgrade for a 1999-2007 Chevy Truck LM7 or LS swap in a hot rod. Expect big mid to upper end power, will have a noticeable idle. For optimal Performance you will need headers, chassis dyno tune and upgraded injectors. Cam Specs will come with the engine.
more info
Chevy 350 Base Engine 390HP Crate Engine
ATK HP89 Chevy 350 Base Engine 390HP
Our Price (USD): $3,451.00

Great crate engine with a noticeable idle, very street able with lots of power. more info
Chevy 350 Base Engine 345HP 87 Octane
ATK HP91 Chevy 350 Base Engine 365HP 87 Octane
Our Price (USD): $3,558.00

Great crate engine with a noticeable idle, very street able with lots of power. more info
Chevy 350 Base Engine 87-91 Corvette
ATK HP57 Chevy 350 Base Engine 87-91 Corvette
Our Price (USD): $3,749.00

This engine is a performance replacement for 87-91 Corvettes, smooth idle great daily driver. more info
Chevy LQ4 6.0L Base Engine 460HP Crate Engine
ATK HP93 Chevy LQ4 6.0L Base Engine 460HP
Our Price (USD): $3,894.00

This engine was designed to be a performance upgrade for LS based vehicles or perfect for a 2001-2007 Chevy Truck LQ4 or LS swap in a hot rod. Expect big mid to upper end power, will have a noticeable idle. For optimal Performance you will need headers, chassis dyno tune and 36lb injectors. more info