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.
STFHNM290290-KIT 31 spline
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 completely assembled. 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.
CHOOSE Big Ford Housing Ends; New Style (torino) with .375" (3/8") bolt holes OR Big Ford Old Style ends .500" (1/2")
CHOOSE Fill and drain plugs; None OR 1/2 npt if requested when you order.
SPECIFY 2 3/8" or 2 1/2" axle offset for brakes
Flanged 31 spline axle axles have 3.15" bearings installed.
Axles 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. (we do not have 7/16" wheel studs as they are unsafe for updated HP engines)
CHOOSE 1/2" press in wheel studs; short for custom wheels OR Moroso Long for Racing.
4 bolt axle retainers included to match your housing
T-bolts kits included to match your housing ends
You must send us a message with all the your Choices & SPECIFY answers before we can start building your housing axle kit.
Call Brock to order or if you need additional information. 636.629.6200 email [email protected]