Engines and Components› Engines, Blocks and Components

LS1

LS1 5.7L V8 Aluminum Bare Engine Block

$999.99

SKU: 12559378

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
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Professional / shop required

Description

The Chevrolet LS1 is a 5.7L bare engine block with casting number 12559378. This aluminum block is a component for V8 engines and features 6-bolt main caps. It is a used OEM part, and buyers should check pictures for condition.

Fitment

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Specifications

BrandLS1
Part Number12559378
CategoryEngines and Components

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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