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350 Bare Block (1986–Later Style), 1-Piece Rear Main Seal

Brand: Chevrolet Performance

Part Number: 10105123

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$954.58

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 Part number 10105123 has an additional freight charge of $24.95 per item due to its large size and/or weight.





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350 Bare Block (1986–later Style)

 

Production Based Blocks

When building a mild Small Block performance engine or a replacement for a stock engine, brand-new, production-based blocks from Chevrolet Performance give you strength, accuracy and peace of mind that can’t be assured in a rebuilt core. And unlike so many of the used cores, ours all feature 4-bolt main caps for extra strength – there’s no reason to settle for a 2-bolt block. Each new cylinder block is machined to production-spec tolerances and is manufactured to the exact specifications of pre-1986 or 1986 and later engines.

 

10105123 Chevrolet Cylinder Block

350 Bare Block (1986–later Style), 1-Piece Rear Main Seal

  • Cast iron 4-bolt block
  • 4.000" bore
  • Machined for hydraulic roller or flat tappets

Production-Based Block Technical Notes:

  • Standard 350 main journal sizes
  • Non siamese bores
  • Production-spec cylinder wall thickness
  • Lifter valleys machined for hydraulic-roller and flat-tappet valvetrains

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