GPI – LS3 415 / 416 Shortblock – 4.000″ Stroke, 4.065″ Bore

$8,530.65

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Gwatney Performance
  • 415 Cubic Inches
  • Brand New LS3 Block
  • 4.000″ stroke
  • 4.065″ bore
  • Callie’s Compstar 4.000″ Crank
  • Callie’s Compstar 6.125″ Rods
  • Mahle PowerPak Combo Relief Flat Top Pistons (930227965)
  • ACL-Coated Main and Rod Bearings

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SKU: SM6302 Category: Brand:
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Questions & Answers (1)

Customer questions & answers

    Question about LS3 Shortblock – 3.625 stroke – 4.070 bore. Is the bottom end boost ready? What's the gap on the rings. I'm interested in the engine. Any extra information will be greatly appreciated.
  1. Q Question about LS3 Shortblock – 3.625 stroke – 4.070 bore. Is the bottom end boost ready? What's ...... Read more answer now
    Asked by Gregory on April 27, 2023 5:16 pm
    A My engine builder is out today but this does have diamond pistons so it would be boost ready just a matter of where the rings are gapped but I would anticipate .024

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