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ATK Engines High Performance Short Block Big Block Chevy 454ci

059-SP06


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High Performance Short Block Big Block Chevy 454ci
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
  • Currently unavailable.
    This product is not available, please call customer service for options, at 1-800-345-4545.

    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: 2019-12-27

    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: 2019-12-27

    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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