Description
GM Corporate 14-Bolt Full Float (10.5″) Billet Differential Cover
Upgrade one of GM’s most legendary heavy-duty rear axles with the Alien Machine Worx GM Corporate 14-Bolt Full Float (10.5″) Billet Differential Cover. Precision CNC machined in the USA from a solid block of 6061-T6 billet aluminum, this cover is built to withstand the toughest towing, hauling, and off-road conditions while delivering a premium machined appearance.
The GM Corporate 14-Bolt Full Float (10.5″) has earned a reputation as one of the strongest factory rear axles ever produced. Originally introduced in 1973, it features a massive 10.5-inch ring gear, a full-floating axle design, and a unique three-bearing pinion support that helps reduce pinion deflection under extreme loads. Its exceptional strength, widespread availability, and enormous aftermarket support have made it a favorite among diesel owners, rock crawlers, overland builds, and heavy-duty work trucks.
Whether your truck is built for towing, hauling, crawling over rocks, or tackling demanding job sites, this billet differential cover is engineered to provide long-lasting durability, easier maintenance, and a premium appearance worthy of your build.
Features
- CNC machined in the USA from solid 6061-T6 billet aluminum
- Fits the GM Corporate 14-Bolt Full Float (10.5″) rear axle
- Strong billet construction for improved durability over the factory stamped-steel cover
- Integrated drain plug for easier fluid changes
- Stainless steel mounting hardware included
- Proudly manufactured by Alien Machine Worx
Please verify your axle before ordering. This cover fits the GM Corporate 14-Bolt Full Float (10.5″) axle.





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