**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!


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 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 LM7-LB-2 Chevy LM7/LS1 347CI Base Engine 500HP Usually Ships in 4 to 6 Weeks Our Price (USD): $8,043.00



ATK Dart LS Next 388CI 1800HP Rated Short Block Usually Ships in 6 to 8 Weeks Our Price (USD): $8,799.00	ATK SP105 GEN V LT 416CI Forged Short Block +20cc Dished Pistons NA/Boost/Nitrous Ready Usually Ships in 4 to 6 Weeks Our Price (USD): $6,999.00	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 408BOOSTLB Chevy LQ4 408CI Base Engine Usually Ships in 4 to 6 Weeks Our Price (USD): $7,800.00	ATK SP103 GEN V LT 376CI Forged Short Block +12cc Dished Pistons NA/Boost/Nitrous Ready Usually Ships in 4 to 6 Weeks Our Price (USD): $6,999.00	ATK HP94CNB Chevy 377CI Stroker Complete Engine 405HP IN STOCK READY TO SHIP! Our Price (USD): $6,279.00 Sale Price: $5,965.00