ATK Engines & Motors
ATK Engines provides high-performance engines for muscle cars, trucks, daily drivers, and even boats. Their engines are designed to make engine swaps or hot rod builds easier, giving you the power and reliability you need. Whether you're looking for a replacement engine, cylinder heads, or a rear axle assembly, ATK has the solution to get your daily driver or tow vehicle back on the road. Built with high-quality parts, engineered to solve common OEM issues, and backed by a solid warranty, ATK Engines offer peace of mind and smooth cruising for miles. Discover how to decide between ATK vs BluePrint Engines, and compare the features of LS vs Vortec engines for your next project. Looking for the best 5.3 LS crate engine? Check out our guide on which 5.3 LS engine is right for your performance needs.
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Since 1936, ATK has been reconditioning and rebuilding engines, either to factory spec or loaded with high-performance upgrades. At JEGS, we're proud to carry a full line of crate engines from ATK, ideal for daily drivers, muscle cars or work trucks. These ATK reman engines are available for Chevrolet/GM, Ford, Mopar and AMC as well as Hyundai, Kia, Mazda, Mitsubishi, Toyota, Subaru and Jeep.
ATK motors are available in anything from a stock four-cyl to V6s and big block or small-block V8s; ATK performance engines are reverse engineered to spot any shortcomings in the OEM designs and improve on them with superior components. Their high-performance engines are all covered by a 24 month/unlimited mile warranty.
Engines are available as base engine (including short block, cam, cylinder heads, timing set, valve covers, oil pan and oil pump/pickup tube), mid-dress (including intake manifold, distributor, water pump, harmonic balancer and flex plate) or full engine. Along with engines, you can also find machined bare blocks, cylinder heads (for select makes and models), torque converters, short blocks, remanufactured axle assemblies, manual transmissions, steering racks and more, all with the same expertise and attention to detail that you'll find in ATK reman engines.
With such a wide selection of engines and parts (including base and mid-dress engines that you can build to your preferences), JEGS has got an ATK reman engine that would be a great fit for your vehicle and your needs, and all of them are an improvement on what came from the factory.
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![377 Stroker Short Block for Small Block Chevy 4 in. Bore x 3.750 in. Stroke [Forged Flat Top Pistons]](https://www.jegs.com/images/mini_100/0/059/059-sp52nb.jpg)
ATK ENGINES
377 Stroker Short Block for Small Block Chevy 4 in. Bore x 3.750 in. Stroke [Forged Flat Top Pistons]
Part Number: 059-SP52NB
![377 Stroker Short Block for Small Block Chevy 4 in. Bore x 3.750 in. Stroke [Forged Flat Top Pistons]](https://www.jegs.com/images/mini_200/0/059/059-sp52nb.jpg)
ATK ENGINES
377 Stroker Short Block for Small Block Chevy 4 in. Bore x 3.750 in. Stroke [Forged Flat Top Pistons]
Part Number: 059-SP52NB

ATK ENGINES
HP112CBLK Small Block Ford Signature Series 427 ci. Stroker Complete Engine
Part Number: 059-HP112CBLK

ATK ENGINES
HP112CBLK Small Block Ford Signature Series 427 ci. Stroker Complete Engine
Part Number: 059-HP112CBLK

ATK ENGINES
HP42C High Performance Crate Engine Big Block Chevy 540ci / 660HP / 650TQ
Part Number: 059-HP42C

ATK ENGINES
HP42C High Performance Crate Engine Big Block Chevy 540ci / 660HP / 650TQ
Part Number: 059-HP42C

ATK ENGINES
HP108C High-Performance Crate Engine Big Block Chevy 632 ci / 800 HP / 800 ft.-lbs. TQ
Part Number: 059-HP108C

ATK ENGINES
HP108C High-Performance Crate Engine Big Block Chevy 632 ci / 800 HP / 800 ft.-lbs. TQ
Part Number: 059-HP108C

ATK ENGINES
High Performance Crate Engine Big Block Chevy 540ci / 660HP / 650TQ
Part Number: 059-HP42

ATK ENGINES
High Performance Crate Engine Big Block Chevy 540ci / 660HP / 650TQ
Part Number: 059-HP42

ATK ENGINES
High Performance Crate Engine Big Block Chevy 540ci / 660HP / 650TQ
Part Number: 059-HP42M

ATK ENGINES
High Performance Crate Engine Big Block Chevy 540ci / 660HP / 650TQ
Part Number: 059-HP42M
![377 Stroker Short Block for Small Block Chevy 4 in. Bore x 3.750 in. Stroke [Forged Dished Pistons]](https://www.jegs.com/images/mini_100/0/059/059-sp35nb.jpg)
ATK ENGINES
377 Stroker Short Block for Small Block Chevy 4 in. Bore x 3.750 in. Stroke [Forged Dished Pistons]
Part Number: 059-SP35NB
![377 Stroker Short Block for Small Block Chevy 4 in. Bore x 3.750 in. Stroke [Forged Dished Pistons]](https://www.jegs.com/images/mini_200/0/059/059-sp35nb.jpg)
ATK ENGINES
377 Stroker Short Block for Small Block Chevy 4 in. Bore x 3.750 in. Stroke [Forged Dished Pistons]
Part Number: 059-SP35NB

ATK ENGINES
Remanufactured Automatic Transmission Torque Converter for GM TH350/400 65-86 FB HS
Part Number: 059-TQBU3HF

ATK ENGINES
Remanufactured Automatic Transmission Torque Converter for GM TH350/400 65-86 FB HS
Part Number: 059-TQBU3HF

ATK ENGINES
Remanufactured Automatic Transmission Torque Converter for Dodge 5.7 65RFE 12-19 HD
Part Number: 059-TQC53HD

ATK ENGINES
Remanufactured Automatic Transmission Torque Converter for Dodge 5.7 65RFE 12-19 HD
Part Number: 059-TQC53HD

ATK ENGINES
Remanufactured Automatic Transmission Torque Converter for GM TH350 HS
Part Number: 059-TQTH350HS

ATK ENGINES
Remanufactured Automatic Transmission Torque Converter for GM TH350 HS
Part Number: 059-TQTH350HS

ATK ENGINES
Remanufactured Crate Engine for Marine Applications with 1964-1980 Small Block Chevy 350ci/5.7L
Part Number: 059-DM02

ATK ENGINES
Remanufactured Crate Engine for Marine Applications with 1964-1980 Small Block Chevy 350ci/5.7L
Part Number: 059-DM02

ATK ENGINES
Remanufactured Crate Engine for Marine Applications with 1980-1985 Small Block Chevy 350ci/5.7L
Part Number: 059-DM20

ATK ENGINES
Remanufactured Crate Engine for Marine Applications with 1980-1985 Small Block Chevy 350ci/5.7L
Part Number: 059-DM20

ATK ENGINES
Remanufactured Crate Engine for Marine Applications with 1985-1987 Small Block Chevy 305ci/5.0L
Part Number: 059-DM95

ATK ENGINES
Remanufactured Crate Engine for Marine Applications with 1985-1987 Small Block Chevy 305ci/5.0L
Part Number: 059-DM95

ATK ENGINES
DMM6 Remanufactured Crate Engine for Marine Applications with 1987-1995 Small Block Chevy 350ci/5.7L
Part Number: 059-DMM6

ATK ENGINES
DMM6 Remanufactured Crate Engine for Marine Applications with 1987-1995 Small Block Chevy 350ci/5.7L
Part Number: 059-DMM6



















