• Chevrolet Performance 12729604 LS3/L92 Bare Engine Block
  • Chevrolet Performance 12729604 LS3/L92 Bare Engine Block

Chevrolet Performance 12729604 LS3/L92 Bare Engine Block

$3,846.52 USD
$3,846.52 USD
$3,846.52 USD
Shipping calculated at checkout.

Vendor : CHEVROLET PERFORMANCE

Product Type : Engines and Components

Sku : GMP12729604

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LS3/L92 Engine Block

The Chevrolet Performance 12729604 LS3/L92 engine block is a bare aluminum block designed for GM LS-Series engine applications. It features a 4.065-inch bore, a 9.240-inch deck, standard mains, 6-bolt mains, and a 1-piece rear seal configuration.

This engine block is supplied as an individual bare block, providing a foundation for assembling an LS3/L92-based engine. Its aluminum construction and specified main and seal configurations support builds requiring these factory-design features.

Part number 12729604 is identified as air restricted and truck freight only. Confirm application requirements and shipping arrangements before ordering.

Features:

  • Engine Type: LS3/L92 bare engine block
  • Brand: Chevrolet Performance
  • Part Number: 12729604
  • Construction: Aluminum
  • Bore: 4.065 inches
  • Deck Height: 9.240 inches
  • Main Configuration: Standard mains with 6-bolt mains
  • Rear Seal: 1-piece seal
  • Series: GM LS-Series
  • Shipping Classification: Truck freight only
  • Restriction: Air restricted