Heavy-duty aluminium 9” Ultra Case is engineered to provide better lubrication to the pinion bearings and easily accept 9.00” or stronger 9.50” gear sets. It is strong enough to endure Pro-Mod, Alcohol & heavy door car applications. Extra-long pinion support and substantially larger pinion bearings for improved pinion shaft support and increased ring and pinion life. Made with Chrome molly encapsulated studs, extra-wide tail bearing, tail bearing retainer plate, wide billet caps, and fully machined adjuster nuts.
