Check the listing for details. Ford 9 inch 1978-1987 G-Body Rear End Housing Kit with 31 spline axles. Condition: New. Listed at 1111.28 USD. 78-87 GM G-body vehicles: Malibu, Monte Carlo, Monte Carlo SS, El Camino, Regal, Grand National, Cutlass, Cutlass 442, Cutlass Salon, Grand Prix, Caballerro and Station Wagons Ford 9 Inch for G Body New Flanged Housing 58" Track width, Stock pinion Location with Big Ford Housing Ends. 1978-87 GM Midsize Cars.Wheel mounting flange to wheel mounting flange will be 58" with axles installed (2 1/2" offset axles)Stock rear end pinion yoke location between wheel flanges when center section is installed. Standard driveshaft location 1/2" to the passenger side exactly like a General Motors rear.New Stamped Housing with 3" x .188" wall DOM tubing.new studs installed in housingCHOOSE Big Ford Housing Ends; New Style (torino) with .375" (3/8") bolt holes OR Big Ford Old Style ends .500" (1/2")SPECIFY if you are running drum or disc brakes (brakes not included)SPECIFY 2 3/8" or 2 1/2" axle offset for brakesflanged 31 spline axle axles have 3.15" bearings installedaxles are cut to length to match the housing CHOOSE Axles have three bolt patterns in all axles, 5 x 4.5" small ford, 5 x 4.75" GM and 5 x 5". Choose which pattern you want the wheel studs installed.CHOOSE 1/2" press in wheel studs; short for custom wheels OR Moroso Long for Racing4 bolt axle retainers included to match your housing T-bolts kits included to match your housing ends3/4 npt drain plug on bottom of housingDrain plug can be left off housing if Requested when you order.No Fill in back of housing (gear filled through gear/center section).You must send us a message with all the your Choices & SPECIFY answers before we can start building your housing axle kit. Usually it will take 4-5 business days to build your housing kit and package it for shipping. SHIP VIA UPS GROUND OR SPEEDEE DELIVERY IN THE UPPER MIDWEST WARNING: Cancer And Reproductive Harm- www.P65Warnings.ca.gov