GM 8.6" Posi LSD Axle Assembly 4.10 Ratio

The Zumbrota Drivetrain RAA435-2240D-P is a remanufactured axle assembly designed for GM 8.6" rear ends. This specific unit is configured for 2005 and newer Chevrolet Silverado models equipped with drum brakes and a 4.10 axle ratio, featuring a Posi Limited Slip Differential (LSD). Each axle assembly undergoes a comprehensive remanufacturing process. This includes thorough inspection of all tubes for straightness and the housings for surface wear and cracks. Internally, every component, including the ring and pinion, gears, clutch, and carrier, is meticulously inspected and tested. To ensure optimal performance and durability, all bearings, seals, crush sleeves, pinion nuts, and shims are replaced with new parts. The housings are then cleaned using a state-of-the-art hydro blasting and rinsing process, restoring them to an OEM finish. Precision setup and longevity are further ensured by establishing the correct rolling torque using inch-pound measurements. Specifications for this axle assembly include an 8.6-inch ring gear diameter, a Posi LSD differential type, a 4.10 axle ratio, and compatibility with drum brakes. The product also includes a refundable core charge of $400, which is returned upon the receipt of your old, salvageable part for recycling or rebuilding. This remanufactured axle assembly is built to order and ships when ready. Zumbrota Drivetrain offers additional support, including live tech support via chat and phone, to assist with fitment questions or build project part selection.