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Cases
Aluminum Through Bolt Cases
These highly refined, heavy-duty units are 11 pounds less than our nodular iron carrier. The unique through-bolt design and the use of an ultra strong A206 alloy with engineered cross sections give it superior strength. These cases have a bearing bore that utilizes an extra long bearing that is completely captive, retained by screw fasteners. 7075 aluminum or steel caps are utilized with billet steel adjusters and 7/16" pinion support stud kits that are included. Bore sizes available are 3.062", 3.250", 3.812" and 4.000". The 3.812" and 4.00" bore cases feature Grip-Lock™ adjuster lock system. All of the MW through bolt cases are clearanced for 9-1/2" (9-1/4" actual diameter) through 10" (9-7/16" actual diameter) gears. Fluid passage ports for external and internal lubrication are per-drilled.
Aluminum 9" Ford Cases Service Bulletin Aluminum 9" Ford Cases with 4.000" Bore Service Bulletin
Lightweight Aluminum Cases
The MW lightweight case is based on the MW nodular case design and is cast from the same material used in the MW through bolt cases, but does not have the additional reinforcing and heavier walls of a through bolt case. These cases should only be used in lighter drag racing, street, and oval track applications. The MW lightweight case is 5 pounds lighter than a through bolt case and over 15 pounds lighter than an OEM nodular case.
Nodular Iron Cases
MW nodular iron cases feature an improved case design that provides necessary reinforcement in all critical areas, yet is comparable in weight to a stock unit while lighter than competitors. Each MW nodular iron case comes with billet steel caps, ARP studs and nuts, billet steel adjusters, and studs for the pinion assembly. 3.062" or 3.250" bore sizes are available.
Nodular Iron Cases Service Bulletin