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ATK Engines High Performance Short Block GM LS 5.3/5.7

059-SP76

made in usa

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High Performance Short Block GM LS 5.3/5.7
$3,415.00
Truck Freight: $178.99
High Performance Short Block
  • GM LS 5.3/5.7 347ci
  • Cast Iron 5.3L LM7 Block Bored to 5.7L
  • OE Reground .010"/.010" Crankshaft 24 Tooth
  • 4340 Forged I Beam Rods
  • 2618 Forged Dish Pistons -11cc
  • Estimated to ship direct from manufacturer on 07/05/24 , pending manufacturer availability. Learn More
    QTY

    Can I swap this block into any car that originally came with a 5.7 ls1?

    Asked by: 2004 GTO
    The ATK 059-SP76 block assembly will bolt in place of a 5.7LS engine.
    Answered by: jshook
    Date published: 2024-01-22

    Will LS4 heads fit on this short block . Got low miles LS 4 .

    Asked by: Texx
    The ATK 059-SP76 block will accept LS4, 743 casting cylinder heads
    Answered by: jshook
    Date published: 2023-02-01
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