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ATK Engines
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ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block Engine 58 Tooth -29cc Dished SP36-G4-B
ATK Chevy LQ9 Gen IV 408 Short Block 58 Tooth$5,149.99Out of stock
ATK Chevy LQ9 Gen IV 408 Short Block 58 Tooth$5,149.99Out of stock
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ATK Chevy LM-7/LS 347CI Short Block Engine -11cc Dished Pistons 24 Tooth SP76
ATK Chevy LM-7/LS 347CI Short Block 11cc Dished Coated Skirts$2,868.99 ATK Chevy LM-7/LS 347CI Short Block 11cc Dished Coated Skirts$2,868.99 -
ATK Chevy 350CI Engine 375HP Complete HP89C
HP89C ATK Chevy 350CI Complete Engine 375HP$4,779.99Out of stock
HP89C ATK Chevy 350CI Complete Engine 375HP$4,779.99Out of stock
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ATK Chevy 350CI Engine 375HP Complete EFI HP89C-EFI
ATK HP89C-EFI Chevy 350CI 375HP Complete Engine Long Block$5,252.99Out of stock
ATK HP89C-EFI Chevy 350CI 375HP Complete Engine Long Block$5,252.99Out of stock
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ATK Chevy 350CI Engine 375HP Mid Dress HP89M
HP89M ATK Chevy 350CI Mid-Dress Engine 375HP$3,924.99Out of stock
HP89M ATK Chevy 350CI Mid-Dress Engine 375HP$3,924.99Out of stock
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ATK Chevy 383 Marine Stroker Engine 345HP Base HP90
HP90 ATK Chevy 383 345HP Marine Stroker Base Engine Long Block$3,893.99Out of stock
HP90 ATK Chevy 383 345HP Marine Stroker Base Engine Long Block$3,893.99Out of stock
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ATK Chevy 350CI 87 Octane Engine 365HP Base HP91
HP91 ATK Chevy 350CI 87 Octane Base Engine 345HP$3,450.99Out of stock
HP91 ATK Chevy 350CI 87 Octane Base Engine 345HP$3,450.99Out of stock
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ATK Chevy 350CI 87 Octane Engine 365HP Complete HP91C
HP91C ATK Chevy 350CI 345HP 87 Octane Complete Engine Long Block$4,779.99Out of stock
HP91C ATK Chevy 350CI 345HP 87 Octane Complete Engine Long Block$4,779.99Out of stock
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ATK Chevy 350CI 87 Octane Engine 365HP Mid Dress HP91M
HP91M ATK Chevy 350CI 87 Octane Mid-Dress Engine 345HP$3,924.99Out of stock
HP91M ATK Chevy 350CI 87 Octane Mid-Dress Engine 345HP$3,924.99Out of stock
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HP92 ATK New Chevy 350CI Base Engine 315HP$3,140.99
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ATK New Chevy 350CI Engine 315HP Complete HP92C
HP92C ATK New Chevy 350CI 315HP Complete Engine Long Block$4,376.99 HP92C ATK New Chevy 350CI 315HP Complete Engine Long Block$4,376.99 -
ATK Chevy 383 Stroker Engine 415HP Complete HP94C-EFI
HP94C-EFI ATK Chevy 383 Stroker Complete Engine 415HP$6,076.99Out of stock
HP94C-EFI ATK Chevy 383 Stroker Complete Engine 415HP$6,076.99Out of stock
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ATK Chevy 350CI Engine 345HP Base HP98
HP98 ATK Chevy 350CI Base Engine 345HP$2,780.99Out of stock
HP98 ATK Chevy 350CI Base Engine 345HP$2,780.99Out of stock
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ATK Chevy 350CI Engine 345HP Complete HP98C
HP98C ATK Chevy 350CI Complete Engine 345HP$3,862.99Out of stock
HP98C ATK Chevy 350CI Complete Engine 345HP$3,862.99Out of stock
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ATK Chevy 350CI Engine 345HP Mid Dress HP98M
ATK HP98M Chevy 350CI Mid-Dress Engine 345HP$3,141.99Out of stock
ATK HP98M Chevy 350CI Mid-Dress Engine 345HP$3,141.99Out of stock
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ATK LM7-LB-2 GM LM7 347CI Base Engine 500HP$6,699.99
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ATK GM LM7 383 Stroker 515+ HP Base LM7-LB-3 Engine
ATK LM7-LB-3 GM LM7 383 Stroker Base Engine 515HP$6,695.99 ATK LM7-LB-3 GM LM7 383 Stroker Base Engine 515HP$6,695.99 -
ATK GM LM7 383 Stroker 540+ HP Base LM7-LB-4 Engine
ATK LM7-LB-4 GM LM7 383 Stroker Base Engine 540HP$7,099.99 ATK LM7-LB-4 GM LM7 383 Stroker Base Engine 540HP$7,099.99 -
ATK GM Gen III 6.0L 370CI 550HP Base LQ4-LB-1 Engine
ATK LQ4-LB-1 GM Gen III 6.0L 370CI Engine Base 550HP$6,610.99Out of stock
ATK LQ4-LB-1 GM Gen III 6.0L 370CI Engine Base 550HP$6,610.99Out of stock
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ATK GM Gen IV 6.0L 370CI 550HP Base LQ9-LB-1 Engine
LQ9-LB-1 ATK GM Gen IV 6.0L 370CI Engine Base 550HP$6,789.99Out of stock
LQ9-LB-1 ATK GM Gen IV 6.0L 370CI Engine Base 550HP$6,789.99Out of stock
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ATK LS02C LS 408 Stroker Engine 620HP$10,761.99
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ATK Ford 393 Stroker Short Block -16.5cc Dished SP17 Engine
ATK SP17 Ford 393 Stroker Short Block 16.5cc$2,885.99Out of stock
ATK SP17 Ford 393 Stroker Short Block 16.5cc$2,885.99Out of stock
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ATK Ford 408 Stroker Short Block -25.8cc Dished Forged SP21 Engine
ATK SP21 Ford 408 Stroker Short Block 25.8cc$3,400.99Out of stock
ATK SP21 Ford 408 Stroker Short Block 25.8cc$3,400.99Out of stock
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ATK Ford 520 Stroker Short Block -36cc Dished Forged SP22 Engine
ATK SP22 Ford 520 Stroker Short Block -36cc$3,924.99Out of stock
ATK SP22 Ford 520 Stroker Short Block -36cc$3,924.99Out of stock
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ATK Ford 408 Stroker Short Block -22cc Dished SP25 Engine
ATK SP25 Ford 408 Stroker Short Block -22cc$2,781.99Out of stock
ATK SP25 Ford 408 Stroker Short Block -22cc$2,781.99Out of stock
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ATK Chevy LS 408 Short Block 58 Tooth -10cc Dished SP26 Engine
ATK SP26 Chevy LS 408 Short Block 58 Tooth -10cc$4,006.99Out of stock
ATK SP26 Chevy LS 408 Short Block 58 Tooth -10cc$4,006.99Out of stock
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ATK Chevy LQ4 408 Boost/Nitrous Short Block 58 Tooth -10cc Dished SP26-B Engine
ATK SP26-B Chevy LQ4 408 Short Block 58 Tooth -10cc$4,408.99Out of stock
ATK SP26-B Chevy LQ4 408 Short Block 58 Tooth -10cc$4,408.99Out of stock
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ATK Chevy LQ9 Gen IV 408 Stroker Short Block 58 Tooth -10cc Dished SP26-G4 Engine
ATK SP26-G4 Chevy LQ9 Gen IV 408 Stroker Short Block 10cc$4,624.99Out of stock
ATK SP26-G4 Chevy LQ9 Gen IV 408 Stroker Short Block 10cc$4,624.99Out of stock
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ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block 58 Tooth -10cc Dished SP26-G4-B Engine
ATK SP26-G4-B Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block$5,149.99Out of stock
ATK SP26-G4-B Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block$5,149.99Out of stock
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ATK Chevy LS 408 Short Block 58 Tooth -18cc Dished SP31 Engine
ATK SP31 Chevy LS 408 Short Block 58 Tooth -18cc$3,889.99Out of stock
ATK SP31 Chevy LS 408 Short Block 58 Tooth -18cc$3,889.99Out of stock
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ATK Chevy LS 408 Boost/Nitrous Short Block 58 Tooth -18cc Dished SP31-B Engine
ATK SP31-B Chevy LS 408 Boost/Nitrous Short Block$4,408.99Out of stock
ATK SP31-B Chevy LS 408 Boost/Nitrous Short Block$4,408.99Out of stock
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ATK Chevy LQ9 Gen IV 408 Stroker Short Block 58 Tooth -18cc Dished SP31-G4 Engine
ATK SP31-G4 Chevy LQ9 Gen IV 408 Stroker Short Block 18cc$4,624.99Out of stock
ATK SP31-G4 Chevy LQ9 Gen IV 408 Stroker Short Block 18cc$4,624.99Out of stock
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ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block 58 Tooth -18cc Dished SP31-G4-B Engine
ATK SP31-G4-B Chevy LQ9 Gen IV 408 Short Block 18cc$5,149.99Out of stock
ATK SP31-G4-B Chevy LQ9 Gen IV 408 Short Block 18cc$5,149.99Out of stock
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ATK Chevy LS 408 Short Block 58 Tooth Flat Top SP32 Engine
ATK SP32 Chevy LS 408 Short Block 58 Tooth Flat Top$4,006.99Out of stock
ATK SP32 Chevy LS 408 Short Block 58 Tooth Flat Top$4,006.99Out of stock
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ATK Chevy LS 408 Boost/Nitrous Short Block 58 Tooth Flat Top SP32-B Engine
ATK SP32-B Chevy LS 408 Short Block$4,408.99Out of stock
ATK SP32-B Chevy LS 408 Short Block$4,408.99Out of stock
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ATK Chevy LQ9 Gen IV 408 Stroker Short Block 58 Tooth Flat Top SP32-G4 Engine
ATK SP32-G4 Chevy LQ9 Gen IV 408 Stroker Short Block$4,624.99Out of stock
ATK SP32-G4 Chevy LQ9 Gen IV 408 Stroker Short Block$4,624.99Out of stock
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ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block 58 Tooth Flat Top SP32-G4-B Engine
ATK SP32-G4-B Chevy LQ9 Gen IV 408 Short Block$5,149.99Out of stock
ATK SP32-G4-B Chevy LQ9 Gen IV 408 Short Block$5,149.99Out of stock
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ATK Chevy 383 Shrt Blk 4Bolt 1PC Forged -16cc Dished SP35 Engine
ATK SP35 Chevy 383 Short Block 16cc$3,174.99Out of stock
ATK SP35 Chevy 383 Short Block 16cc$3,174.99Out of stock
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ATK Chevy LS 408 Short Block 58 Tooth -29cc Dished SP36 Engine
ATK SP36 Chevy LS 408 Short Block 29cc$3,889.99Out of stock
ATK SP36 Chevy LS 408 Short Block 29cc$3,889.99Out of stock
ATK Remanufactured Engines
If you’re restoring a classic car, muscle car or hot rod, it’s a good bet that the motor in it is going to be pretty tired — if it’s still working at all. ATK Engines has been a performance engine builder since 1946 and has an engine combination that will get your project car roaring again. Rebuilding an engine is fun for some, but exhausting and time-consuming for many others. By choosing ATK, you can get everything from a partial build to a drop-in powerplant that’s ready to hit the road or the track.
High-Performance Classic Car Powerplants
Order your new performance ATK engine from Eastwood and do the job right when it comes to power. Engines are available in three stages depending on your needs and budget. Their short block engine builds can upgrade your existing block or serve as the foundation for a new build. They contain the part of the cylinder block that sits between the head gasket and oil pan. A stage 2 long block ATK engine contains the full block along with the crankshaft, cylinder head and valve train. If you really just want to drop it in and drop the hammer, ATK stage 3 engines come complete right down to the spark plugs.
Fully Warrantied Engines for Restorations
ATK builds GM, Ford and Chrysler engines for all sorts of muscle cars. You can get everything from the Ford 302 HP79C to the Chevy 350 87-95 to fit your vehicle’s factory spec. Every remanufactured engine is fully disassembled, rebuilt and tested to make sure it performs as well as or better than the original factory specs. ATK was also the first builder to offer a warranty on part with that of new engines. Every ATK engine from Eastwood is guaranteed for 24 months with no mileage limit! We also provide free U.S. shipping on most ATK powerplants along with lifetime technical support from our DIY experts.