Customer Appreciation Week 2026

9 Inch Ford Cut-to-Fit Axle with Bearing, Big Ford/New Style

Customer Appreciation Week 2026

#91045128

9 Inch Ford Cut-to-Fit Axle with Bearing, Big Ford/New Style

Name: 9 Inch Ford Cut-to-Fit Axle with Bearing, Big Ford/New Style
Brand: Speedway Motors
SKU: 91045128
Rating: 4.7 (27 reviews)

27 Reviews

1 Question

9 Inch Ford
28 or 31 spline axle
Long or Short

Spline:

Select a spline

Length:

Select a length

Starting from

$153.99

/each

In Stock

$170.99

Save $17.00

Quantity

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Product Summary

9 Inch Ford
28 or 31 spline axle
Long or Short
Axle has the new style big bearing ends on it

See more details

Key Specs

MFG. Part #	Select Spline and Length
Axle Type	Semi-Floating
Overall Length	Select Spline and Length
Spline Count	Select Spline and Length
Material Type	1541H Alloy Steel

See more specs

Need To Know

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855.313.9176

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Installation Details

Installation Tips

Long:
- 33" length with 9 1/4" of spline
Short:
- 29.51" length with 8" of spline

Installation Notes:

Disc brake kits may require increasing the i/d of the center hole in the rotor to match the o/d register or hub pilot on the axle flange, or reducing the diameter of the register or hub pilot on the axle to fit properly to the i/d of the rotor.

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.

When cutting axles to desired lengths, it is recommended that the following procedures are performed:

Normal steel cutting machinery (cold saw, band saw, chop saw, etc.)
Using a sleeve around the axle such as a small piece of PVC tubing - this allows:
- The axle to be spun in place while being cut
- A perimeter cut around the outer diameter assisting in keeping the cut square
- Avoiding the build-up of too much heat by doing a straight cut (like a knife though a stick of butter)

To ensure you get the most out of your new 9 Inch components, it is recommended 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

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Details

These steel axle shafts have a natural finish and are sold individually. They are perfect for small shops and will allow you to build your own custom width rear end easily. Axle length is measured from the flange to the end of the splines. Be sure to select your choice length; short or long, and either 28 or 31 spline.

Circle track / off road application 5/8" thread wheel studs sold separately 910-05957 and 910-05958
Street application 1/2" thread wheel studs sold separately 910-05959 and 545-46190
9 Inch Ford
28 or 31 spline axle
Long or Short
Axle has the new style big bearing ends on it
Bearing measures 3.150"
Bearings already pressed in
2-1/2" Offset
Drilled for 5 on 4-1/2", 5 on 4-3/4" & 5 on 5" wheel bolt patterns using 0.685" knurl dia.
Axles have 3 patterns 5 on 4 1/2", 4 3/4", and 5"
PA20 set bearing
AR375 Torino retainer
Axle length is from the flange to the end of the splines
Axles sold each, not as a pair
The hub pilot (center of the axle flange) measures 2.781"
The O.D. of the axle flange measures 5.93"

For more information on determining the proper axle length and the Ford 9 Inch, be sure to check out our tech articles; How to Measure and ID Differential Housings and The Rearend Debate: Ford vs. Chevy.

CA Prop 65

Specifications

KEY SPECS
MFG. Part #	Select Spline and Length to see
Brand	Speedway Motors
Axle Type	Semi-Floating
Overall Length	Select Spline and Length to see
Spline Count	Select Spline and Length to see
Material Type	1541H Alloy Steel

GENERAL
Position	Rear
Bolt Pattern	Select Spline and Length to see
Housing End Style	Big Ford/New Style (Torino)
Wheel Studs Included	No
Spline Length	Select Spline and Length to see
Finish	Natural
Sold in Quantity	Each
Offset	2.50"
Stud Diameter	0.68"
Notes	Wheel studs not included. Sold separately. See suggested sku #s below.
Cut to Fit	Yes

Ratings & Reviews

4.7

27 Reviews

Overall Assessment

Customers have vouched for the practicality of our cut-to-fit axles, noting how they were able to adjust them to suit their specific needs, from building 9-inch rears on a budget, to replacing inferior items. The axles are praised for their sturdy build and straightforward installation process. Customers have also shared their satisfaction with the product's quality, citing the useful customizability, which eliminated the guesswork. They were also thrilled with the cost effectiveness and the variety of bolt patterns available. Some customers, however, advised careful measurement to ensure the right fit.

Write A Review

4.7

27 reviews

Most Liked Positive Review

5.0

I will buy products again

Cut axle kit for suzuki samurai 2wd ford 9" 36 spline off set diff for 90 ford mustang 2.3 twin turbo 5spd hard find 54" rear axle so made one that hold up 500 hp at 9000 rpm was little hard get 4 pt link set adjusted but speed way 55 chevy back half works great 80 ft wheelies 9.80et 126mph 1/8 th

Most Liked Negative Review

3.0

Good value, but inconsistent dimensions

I installed these for a friend as part of a 54" axle kit. The hub center boss on one was 2.781 and the other was 2.791, it also only protrudes ~0.331" so I'm unable to use it for wheel centering as the rotor is ~0.25" thick and the center boss has a chamfer on it. The other bigger issue is the hub diameter was 6.25", not 5.93". I was trying to install a Kore C5 rear brake kit on it and the parking brake shoe has a 6" ID. I had to spend a while with a grinder slowly trimming down the OD of the hub flange to get the parking brake shoe to fit over it. Would be a 5 star product if the dimensions were consistent and matched the listed specs. The issues I had are likely not an issue for most people during their install.

Filter by Ratings

Sort Reviews

Bang for your buck

5.0

26 days ago

Hotrod Mike

Huachuca city Arizona

Verified

Accurate description, great product. Perfect of expedited shipping.

Would Recommend

i would buy this item again!!!

5.0

4 months ago

john

tulsa OK

Verified

very strong axel i beat on it every weekend sense purchase and no problem with it

Would Recommend

Great

5.0

4 months ago

Tim

Valparaiso

Verified

Buy again

Would Recommend

Great product easy enough to install

5.0

9 months ago

Rabbit

Kerrville, Texas

Verified

This cut to fit axle worked out better than I thought. I was worried about getting the length cut correctly which took two cuts but worked out great. The only issue I had was with the lugnut studs which took a couple of trips to the parts store. Overall great product at a great price.

Would Recommend

Good value, but inconsistent dimensions

3.0

9 months ago

ryan

San Mateo, CA

Verified

Would Recommend

Great value and quality

5.0

a year ago

Gareisma

Spring Hill FL

Verified

I like that I cut them to length myself to insure the job is done right.

Would Recommend

Great deal for the small shop! Cut to fit!!!

5.0

a year ago

HOTRODFABRICATOR

Milford ohio

Verified

Affordable way to narrow a rear axle and fast turnaround! Great product. I have bought many over the years and will buy more! Never a problem!

Would Recommend

Worked great for my application, good quality

5.0

a year ago

Bri

Savona NY

Verified

Durable, strong well built

Would Recommend

Most inexpensive way to narrow a 9 inch

5.0

a year ago

Tom

Twain Harte Ca

Verified

I used this axle to narrow my Ford 9 inch for a bucket T Long spline shaft make it easy!!!

Would Recommend

I will buy products again

5.0

2 years ago

Screaming sammy

Atmore al

Verified

Would Recommend

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Showing 10 of 27 reviews

Questions & Answers

1 Question • 1 Answer

Sort Questions

Is the length measured from inside the flange to the end of the axle or outside of the flange to the end of the axle? In other words is the thickness if the flange included in the 29.5"? If so, how thick is tge flange?

by Rob

• 4 years ago

1 answer

View Answer

1 of 1 questions shown