The Mag-Hytec 10-8.5 High Capacity Differential Cover is designed for 1970 and newer GM vehicles equipped with 8.5" 10-bolt axles. Built from durable A356-T6 aircraft-grade aluminum, this cover features a finned design and black powder-coated finish to improve cooling and add a sleek look. With a 3-1/4" overall height and a 4-quart fluid capacity, it enhances both performance and protection.
Routine maintenance is simple, thanks to the integrated dipstick with a magnetic insert for checking fluid levels and a magnetic drain plug that captures metal debris to help maintain fluid cleanliness. The cover seals with high-quality ARP 568 O-rings, eliminating the need for gaskets or sealant in most applications. All included hardware is made from corrosion-resistant 303 stainless steel, and the cover is backed by a limited lifetime warranty. Whether for work or play, trust Mag-Hytec to deliver superior performance and durability under heavy loads.