TSP LS Rear Main Seal Cover Assembly (12639250)

TSP LS Rear Main Seal Cover Assembly

Texas Speed & Performance LS Rear Main Seal Cover Assembly

The TSP LS Rear Main Seal Cover Assembly is a direct replacement for the factory GM rear cover, offering the same fit, function, and reliability at a more affordable price. Designed to match OEM specifications, this cover provides a dependable sealing solution for LS engine builds without the premium price tag.

Whether you’re refreshing a stock engine or completing a performance build, this assembly ensures proper rear main seal alignment and leak-free operation. It’s an ideal choice for builders looking to maintain OEM quality while reducing overall project cost.

Key Features

• Direct replacement for GM LS rear main seal cover
• Maintains OEM fitment and sealing performance
• Integrated rear main seal for simplified installation
• Cost-effective alternative to factory GM components
• Designed for proper alignment and sealing

Fitment

• Fits most GM LS-based engines
• Compatible with standard LS rear main seal configurations
• Comparable to GM part number12639250

Ideal for Stock & Performance Builds

This TSP rear main seal cover assembly is perfect for engine rebuilds, crate engines, and performance applications where reliability and value are equally important. Get OEM-level performance without paying OEM prices.