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Billet

Energy Manufacturing LS Aluminum Engine Block 4.125-Inch

$15,688.00

SKU: ELS-B9750440388

In Stock
In Stock
Ships by Jul 30
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The Energy Manufacturing LS engine block is a billet aluminum block with a 9.750-inch deck height and a 4.125-inch bore. It is constructed from a 490-pound block of high-grade forged 6061 aluminum. The block features rolled thread tapped holes for extra strength and high-strength cylinder liners, with careful attention given to fit and finish. Each semi-finished block is thoroughly heat-treated to T6 standards.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandBillet
Part NumberELS-B9750440388
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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