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Base, Short and Long Block Chevy and GM Engines from ATK

Base, Long and Short Block Chevy and GM Engines from ATK

Every great build needs a solid foundation and ATK takes the hard work out of the picture by offering long, short and base blocks that are ready for you to complete yourself. Our GM Short Blocks are most commonly packaged as the engine block assembled with Pistons, Piston Rings and Crankshaft installed. Our Base Engine is designed for those that may have their own component parts already and who also are interested in completing out the build themselves. A GM base engine typically consists of the following: Short Block, Camshaft, Timing set, Cylinder heads, Valve covers, Timing cover, oil pan, oil pump & pick up tube.

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  • ATK Chevy 540CI Engine 660+ HP Base HP42

    ATK Chevy 540CI Engine 660+ HP Base HP42

    ATK HP42 Chevy 540CI Engine 650HP
    $10,300.00
    ATK HP42 Chevy 540CI Engine 650HP
    $10,300.00
  • ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block 58 Tooth -29cc Dished SP36-G4-B

    ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block 58 Tooth -29cc Dished SP36-G4-B

    ATK Chevy LQ9 Gen IV 408 Short Block 58 Tooth
    $4,887.50
    ATK Chevy LQ9 Gen IV 408 Short Block 58 Tooth
    $4,887.50
  • ATK Chevy LS 408 Short Block 24 Tooth -18cc Dished SP38 Engine

    ATK Chevy LS 408 Short Block 24 Tooth -18cc Dished SP38 Engine

    SP38 ATK Chevy LS 408 Short Block 24 Tooth -18cc Dished
    $3,958.88
    SP38 ATK Chevy LS 408 Short Block 24 Tooth -18cc Dished
    $3,958.88
  • ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block 58 Tooth -18cc Dished SP31-G4-B Engine

    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
    $5,376.25
    ATK SP31-G4-B Chevy LQ9 Gen IV 408 Short Block 18cc
    $5,376.25
  • ATK Chevy LQ9 Gen IV 408 Stroker Short Block 24 Tooth -29cc Dished SP40-G4 Engine

    ATK Chevy LQ9 Gen IV 408 Stroker Short Block 24 Tooth -29cc Dished SP40-G4 Engine

    SP40-G4 ATK Chevy LQ9 Gen IV 408 Stroker Short Block 24 Tooth -29cc Dished
    $4,887.50
    SP40-G4 ATK Chevy LQ9 Gen IV 408 Stroker Short Block 24 Tooth -29cc Dished
    $4,887.50
  • ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block 24 Tooth -10cc Dished SP37-G4-B Engine

    ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block 24 Tooth -10cc Dished SP37-G4-B Engine

    SP37-G4-B ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block 24 Tooth -10cc Dished
    $5,376.25
    SP37-G4-B ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block 24 Tooth -10cc Dished
    $5,376.25
  • ATK Chevy LQ9 Gen IV 408 Stroker Short Block 58 Tooth -18cc Dished SP31-G4 Engine

    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
    $4,887.50
    ATK SP31-G4 Chevy LQ9 Gen IV 408 Stroker Short Block 18cc
    $4,887.50
  • ATK Chevy LS 408 Boost/Nitrous Short Block 24 Tooth -29cc Dished SP40-B Engine

    ATK Chevy LS 408 Boost/Nitrous Short Block 24 Tooth -29cc Dished SP40-B Engine

    SP40-B ATK Chevy LS 408 Boost/Nitrous Short Block 24 Tooth -29cc Dished
    $4,398.75
    SP40-B ATK Chevy LS 408 Boost/Nitrous Short Block 24 Tooth -29cc Dished
    $4,398.75
  • ATK Chevy LQ9 Gen IV 408 Stroker Short Block 24 Tooth -10cc Dished SP37-G4 Engine

    ATK Chevy LQ9 Gen IV 408 Stroker Short Block 24 Tooth -10cc Dished SP37-G4 Engine

    SP37-G4 ATK Chevy LQ9 Gen IV 408 Stroker Short Block 24 Tooth -10cc Dished
    $4,887.50
    SP37-G4 ATK Chevy LQ9 Gen IV 408 Stroker Short Block 24 Tooth -10cc Dished
    $4,887.50
  • ATK Chevy LS 408 Boost/Nitrous Short Block 58 Tooth -18cc Dished SP31-B Engine

    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
    $4,398.75
    ATK SP31-B Chevy LS 408 Boost/Nitrous Short Block
    $4,398.75
  • ATK Chevy LS 408 Short Block 24 Tooth -29cc Dished SP40 Engine

    ATK Chevy LS 408 Short Block 24 Tooth -29cc Dished SP40 Engine

    SP40 ATK Chevy LS 408 Short Block 24 Tooth -29cc Dished
    $3,958.88
    SP40 ATK Chevy LS 408 Short Block 24 Tooth -29cc Dished
    $3,958.88
  • ATK Chevy LS 408 Boost/Nitrous Short Block 24 Tooth -10cc Dished SP37-B Engine

    ATK Chevy LS 408 Boost/Nitrous Short Block 24 Tooth -10cc Dished SP37-B Engine

    SP37-B ATK Chevy LS 408 Boost/Nitrous Short Block 24 Tooth -10cc Dished
    $4,398.75
    SP37-B ATK Chevy LS 408 Boost/Nitrous Short Block 24 Tooth -10cc Dished
    $4,398.75
  • ATK Chevy LQ9 Gen IV 370CI Short Block 58 Tooth -11cc Dished SP96-G4 Engine

    ATK Chevy LQ9 Gen IV 370CI Short Block 58 Tooth -11cc Dished SP96-G4 Engine

    ATK SP96-G4 Chevy LQ9 Gen IV 370CI Short Block 58 Tooth -11cc Dished
    $3,988.20
    ATK SP96-G4 Chevy LQ9 Gen IV 370CI Short Block 58 Tooth -11cc Dished
    $3,988.20
  • ATK Chevy LS 408 Short Block 58 Tooth -18cc Dished SP31 Engine

    ATK Chevy LS 408 Short Block 58 Tooth -18cc Dished SP31 Engine

    ATK SP31 Chevy LS 408 Short Block 58 Tooth -18cc
    $3,958.88
    ATK SP31 Chevy LS 408 Short Block 58 Tooth -18cc
    $3,958.88
  • ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block 24 Tooth Flat Top SP39-G4-B Engine

    ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block 24 Tooth Flat Top SP39-G4-B Engine

    SP39-G4-B ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block 24 Tooth Flat Top
    $5,376.25
    SP39-G4-B ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block 24 Tooth Flat Top
    $5,376.25
  • ATK Chevy LS 408 Short Block 24 Tooth -10cc Dished SP37 Engine

    ATK Chevy LS 408 Short Block 24 Tooth -10cc Dished SP37 Engine

    ATK SP37 Chevy LS 408 Short Block -10cc
    $3,958.88
    ATK SP37 Chevy LS 408 Short Block -10cc
    $3,958.88
  • ATK Chevy LQ9 Gen IV 370CI Short Block 58 Tooth Flat Top SP95-G4 Engine

    ATK Chevy LQ9 Gen IV 370CI Short Block 58 Tooth Flat Top SP95-G4 Engine

    ATK SP95-G4 Chevy LQ9 Gen IV 370CI Short Tooth Flat Top
    $3,988.20
    ATK SP95-G4 Chevy LQ9 Gen IV 370CI Short Tooth Flat Top
    $3,988.20
  • ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block 58 Tooth -10cc Dished SP26-G4-B Engine

    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
    $5,376.25
    ATK SP26-G4-B Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block
    $5,376.25
  • ATK Chevy LQ9 Gen IV 408 Stroker Short Block 24 Tooth Flat Top SP39-G4 Engine

    ATK Chevy LQ9 Gen IV 408 Stroker Short Block 24 Tooth Flat Top SP39-G4 Engine

    SP39-G4 ATK Chevy LQ9 Gen IV 408 Stroker Short Block 24 Tooth Flat Top
    $4,887.50
    SP39-G4 ATK Chevy LQ9 Gen IV 408 Stroker Short Block 24 Tooth Flat Top
    $4,887.50
  • ATK Chevy LS 408 Boost/Nitrous Short Block 58 Tooth -29cc Dished SP36-B Engine

    ATK Chevy LS 408 Boost/Nitrous Short Block 58 Tooth -29cc Dished SP36-B Engine

    ATK SP36-B Chevy LS 408 Short Block
    $4,398.75
    ATK SP36-B Chevy LS 408 Short Block
    $4,398.75
  • ATK Chevy LQ9 Gen IV 408 Stroker Short Block 58 Tooth -10cc Dished SP26-G4 Engine

    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
    $4,887.50
    ATK SP26-G4 Chevy LQ9 Gen IV 408 Stroker Short Block 10cc
    $4,887.50
  • ATK Chevy LQ9 Gen IV 370CI Short Block 24 Tooth -11cc Dished SP94-G4 Engine

    ATK Chevy LQ9 Gen IV 370CI Short Block 24 Tooth -11cc Dished SP94-G4 Engine

    ATK SP94-G4 Chevy LQ9 Gen IV 370CI Short Block -11cc
    $3,988.20
    ATK SP94-G4 Chevy LQ9 Gen IV 370CI Short Block -11cc
    $3,988.20
  • ATK Chevy LS 408 Boost/Nitrous Short Block 24 Tooth Flat Top SP39-B Engine

    ATK Chevy LS 408 Boost/Nitrous Short Block 24 Tooth Flat Top SP39-B Engine

    SP39-B ATK Chevy LS 408 Boost/Nitrous Short Block 24 Tooth Flat Top
    $4,398.75
    SP39-B ATK Chevy LS 408 Boost/Nitrous Short Block 24 Tooth Flat Top
    $4,398.75
  • ATK Chevy LS 408 Short Block 58 Tooth -29cc Dished SP36 Engine

    ATK Chevy LS 408 Short Block 58 Tooth -29cc Dished SP36 Engine

    ATK SP36 Chevy LS 408 Short Block 29cc
    $3,958.88
    ATK SP36 Chevy LS 408 Short Block 29cc
    $3,958.88
  • ATK Chevy LQ4 408 Boost/Nitrous Short Block 58 Tooth -10cc Dished SP26-B Engine

    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
    $4,266.79
    ATK SP26-B Chevy LQ4 408 Short Block 58 Tooth -10cc
    $4,266.79
  • ATK Chevy LM7 383CI Short Block -3cc Flat Top Pistons 24 Tooth SP80 Engine

    ATK Chevy LM7 383CI Short Block -3cc Flat Top Pistons 24 Tooth SP80 Engine

    ATK SP80 Chevy LM7 383CI Short Block -3cc Flat Top
    $3,562.99
    ATK SP80 Chevy LM7 383CI Short Block -3cc Flat Top
    $3,562.99
  • ATK Chevy LS 408 Short Block 24 Tooth Flat Top SP39 Engine

    ATK Chevy LS 408 Short Block 24 Tooth Flat Top SP39 Engine

    SP39 ATK Chevy LS 408 Short Block 24 Tooth Flat Top
    $3,958.88
    SP39 ATK Chevy LS 408 Short Block 24 Tooth Flat Top
    $3,958.88
  • ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block 58 Tooth Flat Top SP32-G4-B Engine

    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
    $5,376.25
    ATK SP32-G4-B Chevy LQ9 Gen IV 408 Short Block
    $5,376.25
  • ATK Chevy LS 408 Short Block 58 Tooth -10cc Dished SP26 Engine

    ATK Chevy LS 408 Short Block 58 Tooth -10cc Dished SP26 Engine

    ATK SP26 Chevy LS 408 Short Block 58 Tooth -10cc
    $3,958.88
    ATK SP26 Chevy LS 408 Short Block 58 Tooth -10cc
    $3,958.88
  • ATK Chevy LM7 383CI Short Block -32cc Dished Pistons 24 Tooth SP79 Engine

    ATK Chevy LM7 383CI Short Block -32cc Dished Pistons 24 Tooth SP79 Engine

    ATK SP79 Chevy LM7 383CI Short Block -32cc Dished Pistons
    $3,562.99
    ATK SP79 Chevy LM7 383CI Short Block -32cc Dished Pistons
    $3,562.99
  • ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block 24 Tooth -18cc Dished SP38-G4-B Engine

    ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block 24 Tooth -18cc Dished SP38-G4-B Engine

    SP38-G4-B ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block 24 Tooth -18cc Dished
    $5,376.25
    SP38-G4-B ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block 24 Tooth -18cc Dished
    $5,376.25
  • ATK Chevy LQ9 Gen IV 408 Stroker Short Block 58 Tooth Flat Top SP32-G4 Engine

    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
    $4,887.50
    ATK SP32-G4 Chevy LQ9 Gen IV 408 Stroker Short Block
    $4,887.50
  • ATK Chevy LM-7/LS 347CI Short Block Engine -11cc Dished Pistons 24 Tooth SP76

    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
    $2,844.53
    ATK Chevy LM-7/LS 347CI Short Block 11cc Dished Coated Skirts
    $2,844.53
  • ATK Chevy LM7 383CI Short Block -15cc Dished Pistons 24 Tooth SP78 Engine

    ATK Chevy LM7 383CI Short Block -15cc Dished Pistons 24 Tooth SP78 Engine

    SP78 ATK Chevy LM7 383CI Short Block -15cc Dished Pistons 24 Tooth
    $3,562.99
    SP78 ATK Chevy LM7 383CI Short Block -15cc Dished Pistons 24 Tooth
    $3,562.99
  • ATK Chevy LQ9 Gen IV 408 Stroker Short Block 24 Tooth -18cc Dished SP38-G4 Engine

    ATK Chevy LQ9 Gen IV 408 Stroker Short Block 24 Tooth -18cc Dished SP38-G4 Engine

    SP38-G4 ATK Chevy LQ9 Gen IV 408 Stroker Short Block 24 Tooth -18cc Dished
    $4,887.50
    SP38-G4 ATK Chevy LQ9 Gen IV 408 Stroker Short Block 24 Tooth -18cc Dished
    $4,887.50
  • ATK Chevy LS 408 Boost/Nitrous Short Block 58 Tooth Flat Top SP32-B Engine

    ATK Chevy LS 408 Boost/Nitrous Short Block 58 Tooth Flat Top SP32-B Engine

    ATK SP32-B Chevy LS 408 Short Block
    $4,398.75
    ATK SP32-B Chevy LS 408 Short Block
    $4,398.75
  • ATK Chevy LQ9 Gen IV 408 Boost/Nitrous Short Block Engine 58 Tooth -29cc Dished SP36-G4-B

    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
    $5,376.25
    ATK Chevy LQ9 Gen IV 408 Short Block 58 Tooth
    $5,376.25
  • ATK Chevy LM7 383CI Short Block -8cc Dished Pistons 24 Tooth SP77 Engine

    ATK Chevy LM7 383CI Short Block -8cc Dished Pistons 24 Tooth SP77 Engine

    SP77 ATK Chevy LM7 383CI Short Block -8cc Dished Pistons 24 Tooth
    $3,562.99
    SP77 ATK Chevy LM7 383CI Short Block -8cc Dished Pistons 24 Tooth
    $3,562.99
  • ATK Chevy LS 408 Boost/Nitrous Short  Block 24 Tooth – 18cc Dished SP38-B Engine

    ATK Chevy LS 408 Boost/Nitrous Short Block 24 Tooth – 18cc Dished SP38-B Engine

    SP38-B ATK Chevy LS 408 Boost/Nitrous Short Block 24 Tooth -18cc Dished
    $4,398.75
    SP38-B ATK Chevy LS 408 Boost/Nitrous Short Block 24 Tooth -18cc Dished
    $4,398.75
  • ATK Chevy LS 408 Short Block 58 Tooth Flat Top SP32 Engine

    ATK Chevy LS 408 Short Block 58 Tooth Flat Top SP32 Engine

    ATK SP32 Chevy LS 408 Short Block 58 Tooth Flat Top
    $3,958.88
    ATK SP32 Chevy LS 408 Short Block 58 Tooth Flat Top
    $3,958.88

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