9 Inch Ford Rear Axle Option
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Please NOTE the following about this product:
- This item is sold as a kit.
Q & A
What's in the Box
This all-new 9" Ford housing features big bearing ends (bearings included) and lifetime warranty 31-spline axles with dual bolt patterns (5 x 4.5" and 5 x 4.75"). Center section NOT included.
Note: When this item is ordered with a T-Bucket frame kit, the housing will be shipped with all necessary suspension brackets welded to it, according to the chassis you order.
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Currie's Universal Hot Rod Ford 9" kit includes a brand new 56" housing, lifetime warranty 31 spline axles, new axle bearings and seals, and new style big Ford ends.
- Housing is 56" from axle face to axle face
- Axles drilled for 5 x 4-1/2" Ford/Mopar and 5 x 4-3/4" Chevy/GM bolt patterns
- Includes wheel studs, 1/2"-20 Ford and 7/16"-20 Chevy
- 1/4" heavy duty late model large bearing style retainer plates
Note: Axle bearing does not come pressed onto the axle shaft, and wheel studs are not installed. Third member not included.
Need a certain length not found on our site? Check out Currie's 9+ Rearend Calculator to have specially sized axles or rearend housings made for your specific application. Custom orders will be built and processed directly through Currie Enterprizes and shipped to your door. For ease of ordering, please refer to Currie's Dimension Diagram.
When installing new axles in rearends with posi traction differentials, be sure to install the driver's side axle first to keep the splines properly aligned. Failure to do so may move the two splined gears out of alignment, and it may be difficult to install the driver's side axle properly if the passenger side axle is already installed.
If installation of passenger side axle is done first it may require two people when installing the driver's side axle, with both parties rotating reach axle until splines are in line and the driver's side axle fully sides into the housing.
To ensure you get the most out of your new 9 Inch components, Currie recommends that you perform a proper break-in process:
- Use a name brand mineral-based gear oil, preferably 85w140 (Extremely high quality synthetic oils may be used once break-in process has been successfully performed)
- Place vehicle on jack stands and let the rearend spin while the vehicle idles - run transmission in both forward and reverse periodically throughout the process
- Continue to run the rearend until the pinion gets hot (place hand on bottom of the differential housing to verify this)
- Proper break-in allows:
- The ability to install new axles and hit the track the same day without worry
- Extended life for rearend components
- Keeps the quality and life of your gear oil
Note: If you find that your rearend is running somewhat "tight" be sure to add Currie's 9+ Friction Modifier to "loosen up". If a more aggressive performance is desired, Friction Modifier is not needed.
If you’re looking for a complete third member for your Ford 9-inch rear end housing, but want the added performance of a limited slip differential, Speedway Motors now offers you a 9" Ford street 3rd member for your street rod. We start with reclaimed, genuine Ford 9-inch carrier housings and then clean and inspect them prior to installing all-new bearings, seals, a 1310-series yoke, and your choice of ring-and-pinion gears. The 1310-series yoke is the correct size for many Ford applications with cups 1-1/16 inch in outside diameter and a span of 3-7/32 inch across.
These Ford 9 inch third member assemblies feature a Currie 9-Plus limited slip differential available in 28 or 31 spline axle shaft configurations. This clutch-type differential is perfect for light-to-medium weight street vehicles where one wants posi-action and long clutch life, without the adverse handling effects or noise of a full locker. When coasting around turns, the clutches are disengaged to extend clutch life. When accelerating in a straight line on dry pavement, the clutches engage, sending equal power to both wheels for maximum traction. This makes them ideal for street use, with the occasional trip to the drag strip as well.All third members are assembled by our team of professionals and are delivered to you in a handy plastic carrying case, for an overall value that can’t be beat
Available in your choice of 3.50, 3.70, 3.89, 4.11 or 4.56 gear ratio.
Gear lube recommendations :
- 91044090 - for street and every day driving under normal conditions
- 91044140 - for extreme duty, towing, or very hot climates
Complete your '23 T-Bucket chassis with this pre-bent Stainless Steel brake line kit. Includes all lines, proportioning valve, residual pressure valves, brake pressure switch, fittings, and hardware necessary to properly plumb the brakes on your T.
Notes: Does not work with '27 T chassis. Also of note, due to unlimited rear axle brake combinations, this kit will not include rear axle housing brake lines, hoses, or fittings. The kit will include the AN style brake hose to transfer from the rear crossmember to the housing. The chassis builder/installer will then need to continue the brake line system from that point on to both rear wheels with necessary brake fitting hardware as needed.
Due to the different brakes and caliper combinations, this kit will NOT include caliper/wheel cylinder fittings.
Learn more about the proper uses of residual and proportioning valves and by reading our tech article. Brake System Selection.
We offer these rear drum brake kits for popular 9" Ford rear axles. Each kit has new 11" x 2-1/4" drums, backing plates, shoes, wheel cylinders, springs, emergency brake arm and hardware.
Fits New style Big Ford housing with 2-1/2" axle offset and 3.15" axle bearing. Drums drilled for 5 on 4-1/2" bolt pattern.
Looking for a low cost way to add rear disc brakes to your Ford 8.8" or 9" equipped hot rod, without searching the junk yards? Look no further. This Ford Racing rear disc brake kit includes OE quality single-piston calipers, 11.8" vented rotors, E-coated caliper mounting bracket, and all mounting components. Plus, the E-coated backing plate features an integral parking brake for a convenient install.
Kit is designed for the late model Ford 8.8" truck and 9" (New Style Big Ford housing with 3.15 bearings, 2.5" offset) rear axles. Will NOT work with Mustang 8.8" axle.Rotors are drilled for 5 on 4-1/2" bolt pattern. See Notes tab for important install info.
Will Not Work On 15" or 16" Wheels.
NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS
Wilwood Dynalite rear brake kits combine high performance braking, high-tech style, and functional simplicity for rear axle disc brake conversions that require a parking brake. Whether it's a simple conversion from drum brakes, or an upgrade to compliment wheels, tires or suspension equipment, these kits have it all.
The emergency brake functions as a drum brake hidden within the mounting hat of the rotor for a clean installation. E-brake cables sold separately. Caliper has a 1/8" npt inlet.
- Big 12.19" x .810" one-piece vented rotors
- Rotors drilled to accept 5 on 4-1/2", 5 on 4-3/4" and 5 on 5" bolt patterns
- Forged billet four-piston calipers
- BP-10 Smart pads for a quick response and fade resistance
- Aluminum mounting brackets
- Includes all hardware
835-1407140 Instructions (PDF)