******NOTE DUE TO COVID RELATED ISSUES MANY PARTS ARE ON NATIONAL BACK ORDER CAUSING UNKNOWN LEAD TIMES. THIS MEANS ATK CANNOT CURRENTLY GIVE ACCURATE LEAD TIMES*****

Performance Engine Builds For Your Application

We specialize in building Custom, Stroker, Crate, and Turn-Key performance engines that are guaranteed to meet the highest of expectations. We have spent years researching and engineering our engine packages to meet virtually every level of performance needs. Have an engine combination for your next project that isn’t listed? No problem, just call us and let us work up a custom engine quote for you!



Chevy LS3 415CI Base Engine 620HP Crate Engine Chevy LQ4 6.0L Base Engine 550HP Crate Engine Chevy LQ4 6.0L Base Engine 460HP Crate Engine
ATK LS02 Chevy LS3 415CI Stroker Base Engine 620+HP
Usually Ships in 4 to 6 Weeks
Our Price (USD): $10,491.00
ATK LQ4-LB-1 Chevy LQ4 365CI/6.0L Base Engine 550HP
Usually Ships in 4 to 6 Weeks
Our Price (USD): $7,799.00
ATK HP93 Chevy LQ4 6.0L Base Engine 460HP
Usually In Stock
Our Price (USD): $4,778.00
Chevy LM7 383CI Short Block 24 Tooth Reluctor Wheel Chevy LM7 383ci Base Engine 540HP Crate Engine Chevy LQ4 6.0L Complete Engine 460HP Crate Engine
ATK SP77 LM7 383CI Short Block -8cc Dished Pistons 24 Tooth
Usually Ships in 4 to 6 Weeks
Our Price (USD): $4,087.00
ATK LM7-LB-4 Chevy LM7/LS1 383CI Base Engine 540HP+
Usually Ships in 4 to 6 Weeks
Our Price (USD): $8,304.00
ATK HP93C-EFI Chevy LQ4 6.0L 460HP with FITECH EFI
Usually takes 4-6 weeks to ship
Our Price (USD): $8,756.00
ATK SPE3881800 Crate Engine Chevy LM7 347ci Base Engine 500HP Crate Engine Chrysler 408 Complete Engine 465HP
ATK Dart LS Next 388CI 1800HP Rated Short Block
Usually Ships in 6 to 8 Weeks
Our Price (USD): $8,799.00
ATK LM7-LB-2 Chevy LM7/LS1 347CI Base Engine 500HP
Usually Ships in 4 to 6 Weeks
Our Price (USD): $8,043.00
ATK HP46C-MAG Chrysler 408 Magnum Complete Engine 465HP
Usually Ships in 4 to 6 Weeks
Our Price (USD): $9,204.00