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Replacement and Crate Engines

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.

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  • ATK HP32 Chevy 350 Base Engine 350HP

    ATK HP32 Chevy 350 Base Engine 350HP

    HP32 ATK Chevrolet 350 64-85 H.P. Base Engine Long Block

    $2,987.99
    HP32 ATK Chevrolet 350 64-85 H.P. Base Engine Long Block

    $2,987.99
  • ATK HP74 Chevy 350 Vortec 96-00 Truck Base Engine 315HP

    ATK HP74 Chevy 350 Vortec 96-00 Truck Base Engine 315HP

    ATK HP74 Chevy 350 Vortec 96-00 Truck Base Engine 315HP

    $3,039.99
    ATK HP74 Chevy 350 Vortec 96-00 Truck Base Engine 315HP

    $3,039.99
  • ATK Ford 347 Stroker Engine 410HP Fox Pan Mid Dress HP20M

    ATK Ford 347 Stroker Engine 410HP Fox Pan Mid Dress HP20M

    HP20M ATK Ford 347 Stroker Mid Dress Engine 410HP
    $6,066.99

    Out of stock

    HP20M ATK Ford 347 Stroker Mid Dress Engine 410HP
    $6,066.99

    Out of stock

  • ATK Chevy 383 Stroker Engine 435HP Mid Dress HP36M

    ATK Chevy 383 Stroker Engine 435HP Mid Dress HP36M

    ATK HP36M Chevy 383 Stroker Engine 430HP
    $5,201.99

    Out of stock

    ATK HP36M Chevy 383 Stroker Engine 430HP
    $5,201.99

    Out of stock

  • ATK Chevy 383 Stroker Engine 435HP Complete EFI HP36C-EFI

    ATK Chevy 383 Stroker Engine 435HP Complete EFI HP36C-EFI

    ATK HP36C-EFI Chevy 383 Stroker Engine 430HP
    $6,488.99

    Out of stock

    ATK HP36C-EFI Chevy 383 Stroker Engine 430HP
    $6,488.99

    Out of stock

  • ATK Chevy 383 Stroker Engine 435HP Base HP36

    ATK Chevy 383 Stroker Engine 435HP Base HP36

    ATK HP36 Chevy 383 Stroker Engine 430HP
    $4,552.99

    Out of stock

    ATK HP36 Chevy 383 Stroker Engine 430HP
    $4,552.99

    Out of stock

  • ATK Chevy 350CI Engine 408HP Mid Dress HP34M

    ATK Chevy 350CI Engine 408HP Mid Dress HP34M

    ATK HP34M Chevy 350CI Engine 408HP
    $4,874.99

    Out of stock

    ATK HP34M Chevy 350CI Engine 408HP
    $4,874.99

    Out of stock

  • ATK Chevy 350CI Engine 408HP Complete HP34C

    ATK Chevy 350CI Engine 408HP Complete HP34C

    ATK HP34C Chevy 350CI Engine 408HP
    $5,953.99

    Out of stock

    ATK HP34C Chevy 350CI Engine 408HP
    $5,953.99

    Out of stock

  • ATK Chevy 350CI Engine 408HP Base HP34

    ATK Chevy 350CI Engine 408HP Base HP34

    ATK HP34 Chevy 350CI Engine 408HP Base
    $4,234.99

    Out of stock

    ATK HP34 Chevy 350CI Engine 408HP Base
    $4,234.99

    Out of stock

  • ATK Chevy 383 Vortec Stroker Engine 380HP Mid Dress HP33M

    ATK Chevy 383 Vortec Stroker Engine 380HP Mid Dress HP33M

    ATK HP33M Chevy 383 Vortec Stroker Engine 375HP
    $4,356.99

    Out of stock

    ATK HP33M Chevy 383 Vortec Stroker Engine 375HP
    $4,356.99

    Out of stock

  • ATK Chevy 383 Vortec Stroker Engine 380HP Complete HP33C

    ATK Chevy 383 Vortec Stroker Engine 380HP Complete HP33C

    ATK HP33C Chevy 383 Vortec Stroker Engine 380HP
    $5,098.99

    Out of stock

    ATK HP33C Chevy 383 Vortec Stroker Engine 380HP
    $5,098.99

    Out of stock

  • ATK Chevy 383 Vortec Stroker Engine 380HP Base HP33

    ATK Chevy 383 Vortec Stroker Engine 380HP Base HP33

    ATK HP33 Chevy 383 Vortec Stroker Engine 380HP
    $4,037.99

    Out of stock

    ATK HP33 Chevy 383 Vortec Stroker Engine 380HP
    $4,037.99

    Out of stock

  • ATK Chevy 350CI Vortec Engine 350HP Complete EFI HP32C-EFI

    ATK Chevy 350CI Vortec Engine 350HP Complete EFI HP32C-EFI

    ATK HP32C-EFI Chevy 350CI Vortec Engine 350HP
    $4,686.99

    Out of stock

    ATK HP32C-EFI Chevy 350CI Vortec Engine 350HP
    $4,686.99

    Out of stock

  • ATK Jeep 4.7 Stroker Engine 205HP 1987-1990 Base HP25

    ATK Jeep 4.7 Stroker Engine 205HP 1987-1990 Base HP25

    ATK HP25 Jeep 4.7 Stroker Engine 205HP
    $3,089.99

    Out of stock

    ATK HP25 Jeep 4.7 Stroker Engine 205HP
    $3,089.99

    Out of stock

  • ATK Ford 408 Stroker Engine 430HP Mid Dress HP21M

    ATK Ford 408 Stroker Engine 430HP Mid Dress HP21M

    HP21M ATK Ford 408 Stroker Mid Dress Engine 430HP
    $6,378.99

    Out of stock

    HP21M ATK Ford 408 Stroker Mid Dress Engine 430HP
    $6,378.99

    Out of stock

  • ATK Ford 408 Stroker Engine 430HP Complete EFI HP21C-EFI

    ATK Ford 408 Stroker Engine 430HP Complete EFI HP21C-EFI

    HP21C-EFI ATK Ford 408 Stroker Complete EFI Engine 430HP
    $8,183.99

    Out of stock

    HP21C-EFI ATK Ford 408 Stroker Complete EFI Engine 430HP
    $8,183.99

    Out of stock

  • ATK Ford 408 Stroker Engine 430HP Complete HP21C

    ATK Ford 408 Stroker Engine 430HP Complete HP21C

    HP21C ATK Ford 408 Stroker Complete Engine 430HP
    $7,580.99

    Out of stock

    HP21C ATK Ford 408 Stroker Complete Engine 430HP
    $7,580.99

    Out of stock

  • ATK Ford 347 Stroker Engine 410HP Fox Pan Complete EFI HP20C-EFI

    ATK Ford 347 Stroker Engine 410HP Fox Pan Complete EFI HP20C-EFI

    ATK HP20C-EFI Ford 347 Stroker Engine 410HP
    $7,415.99

    Out of stock

    ATK HP20C-EFI Ford 347 Stroker Engine 410HP
    $7,415.99

    Out of stock

  • ATK Chevy 350CI Blower Engine 500HP Complete HP38C

    ATK Chevy 350CI Blower Engine 500HP Complete HP38C

    ATK HP38C Chevy 350CI Blower Engine 500HP
    $9,570.99

    Out of stock

    ATK HP38C Chevy 350CI Blower Engine 500HP
    $9,570.99

    Out of stock

  • ATK Ford 331 Stroker Engine 380HP Mid Dress HP14M

    ATK Ford 331 Stroker Engine 380HP Mid Dress HP14M

    ATK HP14M Ford 331 Stroker Engine 380HP
    $5,679.99

    Out of stock

    ATK HP14M Ford 331 Stroker Engine 380HP
    $5,679.99

    Out of stock

  • ATK Chevy 383 Stroker Engine 460HP Mid Dress HP101M

    ATK Chevy 383 Stroker Engine 460HP Mid Dress HP101M

    ATK HP101M Chevy 383 Stroker Engine 460HP
    $5,149.99

    Out of stock

    ATK HP101M Chevy 383 Stroker Engine 460HP
    $5,149.99

    Out of stock

  • ATK Ford 351W Engine 385HP Base HP11

    ATK Ford 351W Engine 385HP Base HP11

    ATK HP11 Ford 351W Engine 385HP
    $4,119.99

    Out of stock

    ATK HP11 Ford 351W Engine 385HP
    $4,119.99

    Out of stock

  • ATK Ford 351W Engine 390HP Complete EFI HP11C-EFI

    ATK Ford 351W Engine 390HP Complete EFI HP11C-EFI

    ATK Ford HP11C-EFI 351W Engine 390HP
    $6,694.99

    Out of stock

    ATK Ford HP11C-EFI 351W Engine 390HP
    $6,694.99

    Out of stock

  • ATK Ford 351W Engine 385HP Mid Dress HP11M

    ATK Ford 351W Engine 385HP Mid Dress HP11M

    ATK HP11M Ford 351W Engine 385HP
    $4,939.99

    Out of stock

    ATK HP11M Ford 351W Engine 385HP
    $4,939.99

    Out of stock

  • ATK Ford 331 Stroker Engine 380HP HP14

    ATK Ford 331 Stroker Engine 380HP HP14

    ATK HP14 Ford 331 Stroker Engine 380HP
    $5,049.99

    Out of stock

    ATK HP14 Ford 331 Stroker Engine 380HP
    $5,049.99

    Out of stock

  • ATK Ford 331 Stroker Engine 380HP Complete HP14C

    ATK Ford 331 Stroker Engine 380HP Complete HP14C

    ATK HP14C Ford 331 Stroker Engine 380HP
    $6,619.99

    Out of stock

    ATK HP14C Ford 331 Stroker Engine 380HP
    $6,619.99

    Out of stock

  • ATK Ford 393 Stroker Engine 410HP Base HP17

    ATK Ford 393 Stroker Engine 410HP Base HP17

    ATK HP17 Ford 393 Stroker Engine 410HP
    $5,689.99

    Out of stock

    ATK HP17 Ford 393 Stroker Engine 410HP
    $5,689.99

    Out of stock

  • ATK Ford 347 Stroker Engine 410HP Fox Pan Complete HP20C

    ATK Ford 347 Stroker Engine 410HP Fox Pan Complete HP20C

    ATK HP20C Ford 347 Stroker Engine 410HP
    $6,818.99

    Out of stock

    ATK HP20C Ford 347 Stroker Engine 410HP
    $6,818.99

    Out of stock

  • ATK Ford 393 Stroker Engine 410HP Complete HP17C

    ATK Ford 393 Stroker Engine 410HP Complete HP17C

    ATK HP17C Ford 393 Stroker Engine 410HP
    $7,509.99

    Out of stock

    ATK HP17C Ford 393 Stroker Engine 410HP
    $7,509.99

    Out of stock

  • ATK Ford 393 Stroker Engine 410HP Mid Dress HP17M

    ATK Ford 393 Stroker Engine 410HP Mid Dress HP17M

    ATK HP17M Ford 393 Stroker Engine 410HP
    $6,659.99

    Out of stock

    ATK HP17M Ford 393 Stroker Engine 410HP
    $6,659.99

    Out of stock

  • ATK Ford 502CI Engine 545HP Base HP19

    ATK Ford 502CI Engine 545HP Base HP19

    ATK HP19 Ford 502CI Engine 545HP
    $6,869.99

    Out of stock

    ATK HP19 Ford 502CI Engine 545HP
    $6,869.99

    Out of stock

  • ATK Ford 502CI Engine 545HP Complete HP19C

    ATK Ford 502CI Engine 545HP Complete HP19C

    ATK HP19C Ford 502CI Engine 545HP
    $8,847.99

    Out of stock

    ATK HP19C Ford 502CI Engine 545HP
    $8,847.99

    Out of stock

  • ATK Ford 502CI Engine 545HP Mid Dress HP19M

    ATK Ford 502CI Engine 545HP Mid Dress HP19M

    ATK HP19M Ford 502CI Engine 545HP
    $7,735.99

    Out of stock

    ATK HP19M Ford 502CI Engine 545HP
    $7,735.99

    Out of stock

  • ATK Ford 347 Stroker Engine 410HP Fox Pan Base HP20

    ATK Ford 347 Stroker Engine 410HP Fox Pan Base HP20

    ATK HP20 Ford 347 Stroker Engine 410HP
    $5,201.99

    Out of stock

    ATK HP20 Ford 347 Stroker Engine 410HP
    $5,201.99

    Out of stock

  • ATK Chevy 350 Blower Engine 500HP Base HP38

    ATK Chevy 350 Blower Engine 500HP Base HP38

    ATK HP38 Chevy 350 Blower Engine 500HP
    $5,634.99

    Out of stock

    ATK HP38 Chevy 350 Blower Engine 500HP
    $5,634.99

    Out of stock

  • ATK Chevy 489 Stroker Engine 565HP Base HP411P

    ATK Chevy 489 Stroker Engine 565HP Base HP411P

    ATK HP411P Chevy 489 Stroker Engine 565HP
    $7,365.99

    Out of stock

    ATK HP411P Chevy 489 Stroker Engine 565HP
    $7,365.99

    Out of stock

  • ATK Chevy 383 Stroker Engine 460HP Base HP101

    ATK Chevy 383 Stroker Engine 460HP Base HP101

    ATK HP101 Chevy 383 Stroker Engine 460 HP
    $4,583.99

    Out of stock

    ATK HP101 Chevy 383 Stroker Engine 460 HP
    $4,583.99

    Out of stock

  • ATK Ford 347 Stroker Engine 410HP Frnt Sump Complete HP80C

    ATK Ford 347 Stroker Engine 410HP Frnt Sump Complete HP80C

    ATK HP80C Ford 347 Stroker Engine 410HP
    $6,818.99

    Out of stock

    ATK HP80C Ford 347 Stroker Engine 410HP
    $6,818.99

    Out of stock

  • ATK Jeep 4.7 Baja Stroker Engine 205HP 00-01 Base HP76

    ATK Jeep 4.7 Baja Stroker Engine 205HP 00-01 Base HP76

    HP76 ATK Jeep 4.7 Baja Stroker 00-01 Base Engine 275HP
    $3,569.99

    Out of stock

    HP76 ATK Jeep 4.7 Baja Stroker 00-01 Base Engine 275HP
    $3,569.99

    Out of stock

  • ATK Ford 302CI Engine 365HP Frnt Sump Base HP78

    ATK Ford 302CI Engine 365HP Frnt Sump Base HP78

    HP78 ATK Ford 302CI Front Sump 365HP Base Engine Long Block
    $4,222.99

    Out of stock

    HP78 ATK Ford 302CI Front Sump 365HP Base Engine Long Block
    $4,222.99

    Out of stock

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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.

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.