SKU: TRA4135
UPC: 086923041351
MPN: 4135
The Differential Cover Chrome GM 8.5 Ring Gear is a direct-fit replacement and upgrade for GM 10-bolt rear differentials, designed to provide both functional protection and polished aesthetics under your vehicle. Whether you're restoring a classic Chevy, upgrading a daily-driver truck, or building a custom suspension setup, this cover protects your differential fluid from contamination while transforming the undercarriage appearance. This is essential maintenance for any serious enthusiast who wants to preserve gear oil integrity and extend drivetrain longevity.
Manufactured from durable steel with a premium chrome finish, this differential cover combines corrosion resistance with reflective shine that showcases attention to detail in your build. The chrome plating prevents rust and oxidation in wet environments, critical for vehicles exposed to road salt or humidity. Engineered to fit the 8.5-inch GM 10-bolt configuration precisely, the cover seats flush against the differential housing and secures with OEM-style bolt patterns, ensuring zero leaks and zero interference with suspension geometry or brake lines.
Mechanics and fabricators rely on this cover for Chevy trucks, Blazers, and performance builds where reliability and appearance matter equally. Installation requires basic hand tools and takes under an hour—drain the differential, unbolt the factory cover, clean the mounting surface, apply fresh gasket material, and secure the new chrome cover with proper torque specs. Ideal for both stock restorations and modified vehicles, this upgrade pays dividends by keeping debris and water out of your gearbox while adding that showroom-quality finish.
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