Gaskets and Seals› Engine Gaskets and Seals

Texas Speed

Rear Main Seal for Gen. III/IV LS-Based Engines

$16.30

SKU: 743-GK010

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In Stock
Ships by Aug 5
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30 Days Return
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Description

The Texas Speed rear main seal provides a reliable, high-strength solution for engine builders working with Chevrolet Small Block V8 Gen. III and IV (LS-based) platforms. This seal is compatible with 5.7L (LS1), 6.0L (LS2), and 6.2L (LS3) engines. It is suitable for a wide range of applications, including LS-powered Chevrolet Corvette and Camaro models, as well as Silverado, Sierra, Tahoe, Suburban, Yukon, Escalade, GTO, G8, and Chevrolet SS vehicles. Proper installation is recommended to maintain the integrity of the sealing surface.

MIA's Description

The Texas Speed rear main seal is a rubber sealing component designed for Chevrolet Small Block V8 Gen. III and IV (LS-based) engines. This unit provides a robust seal for use during engine rebuilds, refreshes, and component replacements.

Fitment

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Specifications

BrandTexas Speed
Part Number743-GK010
CategoryGaskets and Seals

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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