1963-1982 GM 8.875" 12 Bolt Car - Positraction Differential Carrier

GM 8.875" 12 Bolt Car Posi Differential Carrier   Description Package Includes: (1) Limited Slip Positraction Carrier (Choose Ratio Above) - *Note: The GM 8.875" 12 Bolt Car Posi Differential is available for 30 and 33 spline axle shafts. Please select your axle spline count above. - *Note: 12 bolt car applications have the following carrier breaks: 2.73 & Numerically Lower, 3.07 - 3.90, and 4.10 & Numerically Higher. Please select a carrier break above that matches the ring and pinion ratio you will be using with this carrier. - Our Rigid Axle Eaton style limited-slip positraction unit uses Raybestos composite clutches for smooth and aggressive traction. The carrier case is forged steel for strength and reliability. Because this carrier is an eaton style clutch posi, it can be rebuilt and serviced. Our Rigid Axle positraction is the perfect choice for daily drivers, weekend warriors, towing, basic off-road use, and street/strip applications. See below for some key