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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 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 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 383 Marine Stroker Engine 345HP Base HP90

    ATK Chevy 383 Marine Stroker Engine 345HP Base HP90

    HP90 ATK Chevy 383 345HP Marine Stroker Base Engine Long Block
    $3,768.26
    HP90 ATK Chevy 383 345HP Marine Stroker Base Engine Long Block
    $3,768.26
  • ATK Chevy 350CI 87 Octane Engine 365HP Base HP91

    ATK Chevy 350CI 87 Octane Engine 365HP Base HP91

    HP91 ATK Chevy 350CI 87 Octane Base Engine 345HP
    $3,343.05
    HP91 ATK Chevy 350CI 87 Octane Base Engine 345HP
    $3,343.05
  • ATK New Chevy 350CI Engine 315HP Base HP92

    ATK New Chevy 350CI Engine 315HP Base HP92

    HP92 ATK New Chevy 350CI Base Engine 315HP
    $3,079.13
    HP92 ATK New Chevy 350CI Base Engine 315HP
    $3,079.13
  • ATK Chevy 350CI Engine 345HP Base HP98

    ATK Chevy 350CI Engine 345HP Base HP98

    HP98 ATK Chevy 350CI Base Engine 345HP
    $2,693.01
    HP98 ATK Chevy 350CI Base Engine 345HP
    $2,693.01
  • ATK GM LM7 383 Stroker 515+ HP Base LM7-LB-3 Engine

    ATK GM LM7 383 Stroker 515+ HP Base LM7-LB-3 Engine

    ATK LM7-LB-3 GM LM7 383 Stroker Base Engine 515HP
    $7,081.99
    ATK LM7-LB-3 GM LM7 383 Stroker Base Engine 515HP
    $7,081.99
  • ATK GM LM7 383 Stroker 540+ HP Base LM7-LB-4 Engine

    ATK GM LM7 383 Stroker 540+ HP Base LM7-LB-4 Engine

    ATK LM7-LB-4 GM LM7 383 Stroker Base Engine 540HP
    $7,081.99
    ATK LM7-LB-4 GM LM7 383 Stroker Base Engine 540HP
    $7,081.99
  • ATK GM Gen III 6.0L 370CI 550HP Base LQ4-LB-1 Engine

    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
    $6,881.60
    ATK LQ4-LB-1 GM Gen III 6.0L 370CI Engine Base 550HP
    $6,881.60
  • ATK GM Gen IV 6.0L 370CI 550HP Base LQ9-LB-1 Engine

    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
    $7,429.00
    LQ9-LB-1 ATK GM Gen IV 6.0L 370CI Engine Base 550HP
    $7,429.00
  • ATK LS3 415CI 620HP Base LS02 Engine

    ATK LS3 415CI 620HP Base LS02 Engine

    ATK LS02 LS3 415CI 620HP Base
    $8,978.34
    ATK LS02 LS3 415CI 620HP Base
    $8,978.34
  • 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 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 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 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 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 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 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 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 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
  • 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 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 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 383 Shrt Blk 4Bolt 1PC Forged -16cc Dished SP35 Engine

    ATK Chevy 383 Shrt Blk 4Bolt 1PC Forged -16cc Dished SP35 Engine

    ATK SP35 Chevy 383 Short Block 16cc
    $3,142.66
    ATK SP35 Chevy 383 Short Block 16cc
    $3,142.66
  • 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 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 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 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 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 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 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 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 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 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 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 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 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 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 -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 -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

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