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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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$938.27

 

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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)

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. In addition, unlike so many of the used cores, this GM block features 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 for 1986 and later engines with one-piece rear main seal.

350 Bare Block (1986–later Style) 

10105123 Chevrolet Cylinder Block

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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