{"product_id":"gm-8-6-inch-4-10-ratio-rear-axle-assembly","title":"GM 8.6-Inch 4.10 Ratio Rear Axle Assembly","description":"The Zumbrota Drivetrain RAA435-2258D is a remanufactured rear axle assembly, specifically designed for GM 8.6-inch ring gear differentials. This unit features a 4.10 ratio and is built to exacting standards for 2007 and 2008 Chevrolet Silverado and GMC Sierra 1500 models. It is compatible with JF3 or JL7 brake options and the JL4 active brake control option.\n\nThis assembly undergoes a thorough remanufacturing process. All tubes are inspected and straightened to OEM specifications, and housings are tested for surface wear and cracks. Internals, including ring and pinion gears, clutch assemblies, and carriers, are inspected 100%. Critical wear components such as bearings, seals, crush sleeves, pinion nuts, and shims are all replaced with new parts. The housing is cleaned using a hydro blasting process to restore its OEM finish, and precise rolling torque is established using inch-pound measurements for optimal setup and longevity.\n\nKey specifications include a GM 10 Bolt 8.6 Inch Ring Gear, a 4.10 ratio (GT5 option), and it is configured as an open differential, meaning it is \"Without Posi Traction.\" Please note that this assembly \"Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts,\" which must be sourced separately.","brand":"Zumbrota Drivetrain","offers":[{"title":"Default Title","offer_id":52870896812344,"sku":"RAA435-2258D","price":2564.89,"currency_code":"USD","in_stock":true}],"url":"https:\/\/store.motormia.co\/products\/gm-8-6-inch-4-10-ratio-rear-axle-assembly","provider":"MOTORMIA","version":"1.0","type":"link"}