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ATK Engines SP06

ATK Engines High Performance Short Block Big Block Chevy 454ci

059-SP06

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Save $10 off $199, $45 off $499, $100 off $999. Promo Code: FALLFUN exclusions apply

$2,100.99
ATK Engines High Performance Short Block Big Block Chevy 454ci $2,100.99
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High Performance Short Block
  • Big Block Chevy 454ci
  • 4 Bolt Mains, 1-Piece Rear Main Seal
  • Cast Crankshaft
  • Powder Metal Rods 6.135" Length
  • Hypereutectic Dome Pistons +22cc
  • ATK Engines SP06 Details

    Big Block Chevy

      This engine makes a great foundation for a mild performance build or a good upgrade for a worn out short block.

    Block Information:

    • Seasoned OE 4 bolt main 1pc seal 1991-1995 Gen V
    • Bore/Stroke: 4.310" x 4.000"
    • Displacement: 454ci
    • Camshaft Bearings: Dura-Bond, installed and clocked to OEM position
    • Freeze Plugs: Brass, installed and sealed
    • Oil Galley Plugs: Installed and sealed

    Rotating Assembly:

    • Crankshaft: OE cast crank reground .010"/.010"
    • Balance: External rear (flexplate/flywheel), internal front (haromonic balancer)
    • Rods: OE reman powder metal 6.135"
    • Compression Ratio: 109cc= 10.7:1 / 116cc= 10.1:1 / 119cc= 9.8:1
    • Pistons: Hypereutectic +22cc dome
    • Rings: Plasmamoly

     Recommended Components:

    • Balancer: External balance
    • Flexplate/Flywheel: External balance
    • Head Gasket: .038" thickness or per application
    • Oil: 10W30 Non synthetic for first 3000 miles
    • Oil Filter: Wix or K&N per application

    Notes:

     

    • No mechanical fuel pump provision

    Specifications:

    Quantity
    Sold individually
    Manufacturer's Part Number:
    SP06
    Shipping Weight:
    291
    Package Height:
    26.7
    Package Depth:
    25.5
    Package Width:
    30.5

    In 2007, ATK launched a High Performance Division with one of the finest engine shops in the country. By reverse engineering all of their engines, they are able to eliminate any OEM deficiencies. This makes an ATK built crate engine have a superior design over the original engine by incorporating better components when needed. ATK short blocks will start any build with a solid foundation. GM short blocks are generally packaged as the engine block assembled with pistons, piston rings, and crankshaft installed.

    JEGS Easy Kits are designed by JEGS high performance racing professionals to help you get all the performance parts you need for your race car, hot rod or truck.

    1. Is there a core charge? 2. Do you have blocks with mechanical fuel pump?

    Asked by: Nick110
    There is no core charge on this short block, also there is no mechanical fuel pump provision.
    Answered by: ATK HP Engines
    Date published: 2018-10-22

    What is the max recommended rpm for this short block?

    Asked by: Lucas99
    Hello, this is a stock short block. 5800 RPM would be the max we recommend turning it.
    Answered by: ATK HP Engines
    Date published: 2018-10-04

    Need-to CONFIRM " 109CC " for " 10.7:1 COMPRESSION-RATIO ... Thanx !!

    Asked by: EDDY K
    It will depend on the head gasket, but should be around 10.6:1 with gasket 4.370 bore and .041 thickness. Also our blocks are not zero decked but around .010 in the hole.
    Answered by: ATK HP Engines
    Date published: 2018-06-06

    Can older mark iv heads fit? What head gasket to use?

    Asked by: Gene
    Yes and with them ATK recommends Fel-Pro 1037
    Answered by: SteveM
    Date published: 2018-06-06
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    Some parts are not legal for use in California or other states with similar laws / regulations

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