******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 LQ9 6.0L Base Engine 550HP Crate Engine Chevy LM7 383ci Base Engine 515HP Crate Engine Chevy 383 Stroker Complete Engine 500HP
ATK LQ9-LB-1 Chevy LQ9 365CI/6.0L Base Engine 550HP
Usually Ships in 4 to 6 Weeks
Our Price (USD): $7,646.00
ATK LM7-LB-3 Chevy LM7/LS1 383CI Base Engine 515HP+
Usually Ships in 4 to 6 Weeks
Our Price (USD): $7,540.00
ATK HP55C Chevy 383 Stroker Complete Engine 500HP
Usually Ships in 4 to 6 Weeks
Our Price (USD): $7,880.00
Chevy LS 408 Stroker Short Block 24 Tooth Reluctor Wheel Ford 408 Stroker Complete Engine 480HP Chevy LM7 383CI Short Block 24 Tooth Reluctor Wheel
ATK SP38 LS 408CI Stroker Short Block - 18cc Dish Pistons 24 Tooth
Usually Ships in 4 to 6 Weeks
Our Price (USD): $4,499.00
ATK HP81C Ford 408 Stroker Complete Engine 480HP
Usually Ships in 4 to 6 Weeks
Our Price (USD): $9,048.00
ATK SP78 LM7 383CI Short Block -15cc Dished Pistons 24 Tooth
Usually Ships in 4 to 6 Weeks
Our Price (USD): $3,792.00
Chevy 350 Base Engine 345HP Chevy 540 Base Engine 660+ HP Chevy 383 Stroker Complete Engine 460HP
ATK HP98 Chevy 350 Base Engine 345HP
Usually Ships in 1 to 2 Weeks
Our Price (USD): $2,990.00
ATK HP42 Chevy 540 Base Engine 660+ HP
Usually Ships in 4 to 6 Weeks
Our Price (USD): $10,999.00
ATK HP101 Chevy 383 Stroker Base Engine 460HP
Usually Ships in 4 to 6 Weeks
Our Price (USD): $4,726.00