******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 LS 408 Stroker Short Block 24 Tooth Reluctor Wheel Chevy LQ4 6.0L Base Engine 550HP Crate Engine Chevy LQ4 6.0L Complete Engine 460HP Crate Engine
ATK SP38 LS 408CI Stroker Short Block - 18cc Dish Pistons 24 Tooth
Usually Ships in 4 to 6 Weeks
Our Price (USD): $4,829.00
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 HP93C-EFI Chevy LQ4 6.0L 460HP with FITECH EFI
Usually takes 4-6 weeks to ship
Our Price (USD): $8,756.00
Chevy LM7 383CI Short Block 24 Tooth Reluctor Wheel Chevy 383 Stroker Complete Engine 415HP ATK SPE4271500 Crate Engine
ATK SP78 LM7 383CI Short Block -15cc Dished Pistons 24 Tooth
Usually Ships in 4 to 6 Weeks
Our Price (USD): $4,087.00
ATK HP94C Chevy 383 Stroker Complete Engine 415HP
Usually Ships in 4 to 6 Weeks
Our Price (USD): $5,938.00
ATK Dart LS Next 427CI 1500HP Rated Short Block
Usually Ships in 6 to 8 Weeks
Our Price (USD): $7,699.00
Chevy LM7 383ci Base Engine 515HP Crate Engine Chrysler 408 Complete Engine 465HP Chevy 383 Stroker Complete Engine 460HP
ATK LM7-LB-3 Chevy LM7/LS1 383CI Base Engine 515HP+
Usually Ships in 4 to 6 Weeks
Our Price (USD): $8,304.00
ATK HP46C-MAG Chrysler 408 Magnum Complete Engine 465HP
Usually Ships in 4 to 6 Weeks
Our Price (USD): $9,204.00
ATK HP101C Chevy 383 Stroker Complete Engine 460HP
Usually Ships in 4 to 6 Weeks
Our Price (USD): $6,606.00