******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 LM7 5.7/347 Short Block 24 Tooth Reluctor Wheel Chevy LS3 415CI Base Engine 620HP Crate Engine Chevy LQ4 6.0L Complete Engine 460HP Crate Engine
ATK SP76 LM7 5.3/5.7 Short Block -11cc Dished Pistons 24 Tooth
Usually Ships in 4 to 6 Weeks
Our Price (USD): $3,027.00
ATK LS02 Chevy LS3 415CI Stroker Base Engine 620+HP
Usually Ships in 4 to 6 Weeks
Our Price (USD): $9,556.00
ATK HP93C-EFI Chevy LQ4 6.0L 460HP with FITECH EFI
Usually takes 4-6 weeks to ship
Our Price (USD): $8,239.00
Chevy LM7 383CI Short Block 24 Tooth Reluctor Wheel Chevy LQ4 408CI Base Engine 600HP Crate Engine Chevy 350 Base Engine 345HP
ATK SP80 LM7 383CI Short Block -3cc Flat Top Pistons 24 Tooth
Usually Ships in 4 to 6 Weeks
Our Price (USD): $3,792.00
ATK LS01 Chevy LQ4 408CI Stroker Base Engine 600+HP
Usually Ships in 4 to 6 Weeks
Our Price (USD): $8,176.00
ATK HP98 Chevy 350 Base Engine 345HP
Usually Ships in 1 to 2 Weeks
Our Price (USD): $2,990.00
ATK SPE4271800 Crate Engine Chevy LQ4 6.0L Base Engine 550HP Crate Engine Chevy 383 Stroker Complete Engine 500HP
ATK Dart LS Next 427CI 1800HP Rated Short Block
Usually Ships in 6 to 8 Weeks
Our Price (USD): $8,799.00
ATK LQ4-LB-1 Chevy LQ4 365CI/6.0L Base Engine 550HP
Usually Ships in 4 to 6 Weeks
Our Price (USD): $7,327.00
ATK HP55C Chevy 383 Stroker Complete Engine 500HP
Usually Ships in 4 to 6 Weeks
Our Price (USD): $7,880.00