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Currie 9 Inch Ford Rear Axle Kit

Currie 9 Inch Ford Rear Axle Kit
Currie 9 Inch Ford Rear Axle Kit
Currie 9 Inch Ford Rear Axle Kit
Currie 9 Inch Ford Rear Axle Kit
Currie 9 Inch Ford Rear Axle Kit
Currie 9 Inch Ford Rear Axle Kit
Currie 9 Inch Ford Rear Axle Kit

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Details

Reviews (3)

Q & A (14)

What's in the Box

Info

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.

Currie Rear Axle Installation Instructions

How to Measure Your Housing Tech Tip (Link)

Installation Notes:

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.

Ifinstallation 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.

 

 

Application

  • 2.500" brake spacing offset
  • 2.800" axle register diameter

Specs

  • 2.500" brake spacing offset
  • 2.800" axle register diameter

Customer Reviews

Rated 5 out of 5 by 3 reviewers.
RATING BREAKDOWN
3 reviews
5 Stars
3
4 Stars
0
3 Stars
0
2 Stars
0
1 Star
0
RECOMMEND THIS PRODUCT:

Fedeco

Perfect fit

February 25, 2013
I converted a 1966 MUSTANG from a 8" rear to this 9" rear. The fit was a perfect match. I also purchased the third member from Speedway making he package complete making this bullet proof for a 289 with 5 speed manual trans and weian blower.!
Yes, I recommend this product.
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oklahomadave
Verified Purchaser
Illinois, USA

great product

October 14, 2012
The rear end assembly went togeather with no problems, Currie puts out a great product, would recomend anyone looking for a rear end assy. to check out the Currie products.
Pros:
  • built tough
Yes, I recommend this product.
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DanBo
Fremont, CA

Great Product!

August 27, 2010
High quality rear end product. Comes with everything you need (axles, bearings and hardware). Just add the third member, weld on your brackets and you're ready to go.
Yes, I recommend this product.
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Page 1 of 1

Product Q&A

14 questions : 15 answers

1 answers

will this rear endfit the 55 chevy belair what third member do you recommend. Car has 383 stoker 475 HP and 5 speed termec tranny

heffe
Grand Forks, ND, USA
December 17, 2014

will this rear endfit the 55 chevy belair what third member do you recommend. Car has 383 stoker 475 HP and 5 speed termec tranny

Answers

December 17, 2014
EricM
This axle is 56" from hub to hub. Check the hub to hub distance that you need to be sure of fit. We offer assembled street third members 91048345 that should work fine in your application.
1 answers

What is the Overal Width - Wheel to Wheel ?

Master
September 22, 2014

What is the Overal Width - Wheel to Wheel ?

Answers

September 22, 2014
EricM
This rear end is 56" from wheel mount surface to wheel mount surface.
1 answers

how much hp will this axle safely support Putting in a 23 t with 936 hp

blowen
canada
August 15, 2014

how much hp will this axle safely support Putting in a 23 t with 936 hp

Answers

August 15, 2014
EricM
This is a standard run of the mill 31 spline 9" Ford rear end. You should look into some drag racing rear ends which are designed to handle that sort of power. Sorry we do not offer anything that will be up to the task.
1 answers

67 mustang coupe I don't know much about cars but I'm trying to learn as best I can. I have a 67 mustang coupe I'm working on and I know I need a 9" with posi traction and 3:50. Will this do the job?

Jumpkin
South Carolina, USA
January 11, 2014

67 mustang coupe I don't know much about cars but I'm trying to learn as best I can. I have a 67 mustang coupe I'm working on and I know I need a 9" with posi traction and 3:50. Will this do the job?

Answers

January 14, 2014
EricM
Theis bare axle housing kit could be used but will require welding on the spring pads and other parts. We do offer a complete 9” housing with brackets and axles installed for the 67-70 Mustang in the correct width under number 91046770. To complete the installation with the third member number 91048345 with a 350 ratio and comes with the Currie posi unit ready for installation. Add a gasket number 9192300 and a gallon of lube of choice and you are ready to install. We also offer complete drum brake kits or bolt on disc brakes if so inclined.
1 answers

Can this be used in a 71 camaro?

Rmckeever
Atlanta, GA, USA
March 24, 2013

Can this be used in a 71 camaro?

Answers

March 25, 2013
Jason
Part number 91045100 is a 9” rear axle option for our earlier hot rod chassis and offers a 56” hub face to hub face dimension and the installer would need to add the necessary mounts for the leaf springs, etc. Speedway offers a direct bolt in for the 70-81 Camaro under part number 91007081. It includes the Currie axles and if you add the third member under number 91048345 in the desired ratio and the brake package you prefer whether disc or drum you would have a bolt in rear end the correct width with the strength of a 9” Ford. Add the gear lube and gasket and you would be set.
2 answers

Hey is the pinion centered or is the housing centered putting the pinion off center and if so how much off?

August 10, 2011

Hey is the pinion centered or is the housing centered putting the pinion off center and if so how much off?

Answers

August 12, 2011
John
This is a centered housing rear end with a pinion offset of approximately 2 3/8”. It uses a short and long axle to compensate for the offset.
September 19, 2012
KENT
This particular kit is housing centered. Housing centered on the 9" means that the pinion is offset to the passenger side .94 inches from center. When housing centered, if you measure from the pinion to each housing end, there will be a 2 x .94" = 1.88" difference in measured lengths. (1 side was shortened .94" and the other side was lengthened .94")
1 answers

is it posi trac?

tj
Petal, MS
July 31, 2011

is it posi trac?

Answers

August 01, 2011
Jason
The 3rd member is not included with this kit, housing and axles only
1 answers

This will be going into my 72 Nova. I will be going with ridler 695 wheels, 18x9.5, +6mm offset and 5.49" backspace. I will be going with wilwood disc brakes. What length housing will I need?

Jason
Litchfield, oh
June 23, 2015

This will be going into my 72 Nova. I will be going with ridler 695 wheels, 18x9.5, +6mm offset and 5.49" backspace. I will be going with wilwood disc brakes. What length housing will I need?

Answers

June 23, 2015
Eric
Expert
If you have a particular wheel and tire combination that you want to use then the best bet to get them to fit correctly into the tight wheel well of your Nova will be to remove the stock rear end then mock up the tires and wheels that you will use and measure from wheel to wheel to get the perfect width of rear end.
1 answers

Will this 9 inch axle kit fit my 1955 Ford Sunliner..??

Ola
Spain
September 24, 2015

Will this 9 inch axle kit fit my 1955 Ford Sunliner..??

Answers

September 24, 2015
Eric
Expert
This rear end is 56" from axle face to axle face. Measure your original rear end (or the front end of the vehicle if no rear end is present) to be sure that this width is correct for your car.
1 answers

Can you recommend everything I need to complete this rear end with the part numbers?

Kyle
Houston, TX
October 12, 2015

Can you recommend everything I need to complete this rear end with the part numbers?

Answers

October 14, 2015
John
Expert
To complete the 9" rear end you will need a third member such as number 91048345 in choice of ratio, gasket such as number 9192300, rear end lube of choice, Brake kit number 91031921 with emergency brakes, two axle pads if using leaf springs under number 54585090 along with leaf spring plates and U-bolts, or coil spring brackets and triangulated hardware as needed if application is for coil suspension. Other options would include 4 bar and coil overs with panhard bar or air ride.
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