Description
Upgrade your classic GM drivetrain with the Alien Machine Worx GM 12-Bolt Differential Cover. Precision CNC machined from a solid block of 6061-T6 billet aluminum, this cover is built to deliver exceptional strength, a precision fit, and a clean, aggressive look. Proudly made in the USA, it’s engineered for enthusiasts who demand quality on the street, at the track, or at the show.
Features:
- CNC machined from 6061-T6 billet aluminum
- Made in the USA
- Fits GM Passenger Car 12-Bolt rear axles (8.875″ ring gear)
- Integrated drain plug for easy fluid changes
- Integrated fill plug for convenient servicing
- Precision-machined sealing surface for a leak-free fit
- Built for strength and quality
- Designed to enhance both performance and appearance





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