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383 Bare Block

Brand: Chevrolet Performance

Part Number: 88962516




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 Part number 88962516 has an additional freight charge of $24.95 per item due to its large size and/or weight.

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The GM Performance Parts production-based blocks are the right choice for street car rebuilds or to start your own mild engine project. They come in the same dimensions that you are already familiar with and are produced to the high level of quality that GM is famous for. Remember, these are brand new castings that are machined to our exacting tolerances and delivered to you at an affordable price. These blocks are designed for street engines that demand good strength and a high level of durability.

Bare Block (1986–later Style), 1-Piece Rear Main Seal
• Cast iron 4-bolt block
• 4.005" bore
• Torque plate honed
• Clearanced for 3.80" stroker crankshaft
• Machined for hydraulic roller or flat tappets

Production-Based Block Technical Notes:
• Cylinder walls are the same thickness as current production engines
• Non-siamese bores
• Standard 350 main journal sizes
• Lifter valleys are machined for hydraulic roller and flat tappets
• Use seal adapter P/N 10051118 to use 2-piece rear main crankshafts in these blocks