Speedway Motors 9 Inch Rear Axle Assembly Compatible With 1968-72 GM A-Body, 3.50 Gear Ratio, 31 Spline Axles, Disc E-Brake Kit, 5x4.75 Bolt Pattern, Ford Bare Steel Housing

Axles and Housing These bolt-in rear axle packages are designed to replace the original '68-'72 GM A-Body rearend housing and are compatible with the stock 4-link trailing arm rear suspension found in your Chevelle/Malibu/El Camino/Sprint/GTO/LeMans/Tempest/F85/Cutlass/442/Special/Skylark/Gran Sport. The major advantages gained by upgrading to aCompatible with Ford 9" axle include a) greatly increased strength (reliability), b) the variability of the housing to accept almost any gear ratio from 2.47:1 to 6.14:1, c) a drop-out third member for ease of service, and d) steel axle retainers keep the axle/wheel in place in the event of axle failure. Here are the features you'll find in our fabricatedCompatible with Ford 9 Inch axle kits: New stamped steel housing center piece. New billet steel housing ends with oil seal surface ("Big NewCompatible with Ford" Torino-style) 3" O.D. DOM 3/16" wall axle tubes. 31-spline axles w/ bearings, studs & retainers. Axles have 2.5" of offest on each side. 1/2"-20 wheel studs, 2" long (0.618" knurl diameter) - see part # 910-959001 for 7/16" thread option) 5 x 4-3/4" wheel bolt pattern. Jig welded suspension brackets for stock style suspension. Built to stock width. Works with most aftermarket coil-over conversion kits. Housing Studs Housing studs and ring gear bolts complete the package for your racing or street use 9"Compatible with Ford axle. Side bell thru bolts torque to 40-45 lbs. Knurl diameter .398-.403 " Third Member As featured on Classic Truck’s Week to Wicked. Watch the transformation here! Assembled by Professionals Hand-assembled by trained experts in-house, ourCompatible with Ford 9-inch third members are built from quality components with an exact step-by-step process. We bring this combination of precision assembly and quality components to you at a price that can’t be beat. We trust these third members so much, they’re the go-to choice for our own rides, from the street to the track

• 1968-72 GM A-BODY FITMENT – Direct replacement rear axle assembly designed for Chevelle, Malibu, El Camino, GTO, LeMans, Cutlass, 442, Skylark and other 1968-72 GM A-Body vehicles with factory 4-link suspension.
• STRONG Compatible with Ford 9 INCH DESIGN – Features a durable nodular iron center section and stamped steel housing that provides greater strength and reliability compared to many factory rear housings.
• PRECISION BUILT DIFFERENTIAL – Carefully assembled with proper backlash, preload, and pinion shim setup to ensure correct ring gear tooth pattern and dependable operation.
• HEAVY DUTY 31 SPLINE AXLES – Includes 31-spline axle shafts with bearings, retainers, and 1/2"-20 wheel studs with a 5 x 4-3/4" bolt pattern for strength and durability.
• COMPLETE DISC E-BRAKE KIT INCLUDED – Package includes bolt-on caliper brackets, 11-1/4" vented rotors, GM metric emergency brake style calipers, brake pads, and installation hardware.