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#91034425-DLX
1953-56 Ford F-100 IFS Crossmember, Mustang II Front Suspension
- This IFS crossmember is a great way to improve your vehicle's suspension, handling, and overall performance
- Works with both manual and power rack and pinions
- Vastly improved handling when compared to original straight axle setups
$376.99
/each
In Stock
Garage Sale alternatives: from $271.99
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Product Summary
Front Position, Mustang II Crossmember Type, Steel
- This IFS crossmember is a great way to improve your vehicle's suspension, handling, and overall performance
- Works with both manual and power rack and pinions
- Vastly improved handling when compared to original straight axle setups
- Can be used with stock stamped style control arms or tubular control arms
- Choose from a variety of front suspension kits to finish off your front end
Key Specs
| MFG. Part # | 91034425-DLX |
| Position | Front |
| Crossmember Type | Mustang II |
| Crossmember Style | Boxed |
| Attachment Style | Weld-on |
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Speedway Motors 91034425-DLX Details
- Vastly improved handling when compared to original straight axle setups
- Front steer rack-and-pinion steering provides greater steering feel
- Complete weld-in assembly made from 3/16-inch steel adds strength
- Vertical inner uprights provide a strong design with twice the weld area
- Application specific crossmember and spring towers pre-welded to save installation time
- Allows for numerous control arm and disc brake kit upgrade options
- Compatible with manual and power rack-and-pinion steering systems
- Compatible with stock stamped steel control arms as well as tubular control arms
- Stock style control arms will require strut rod brackets or tubular strut rod kit
- Rack-and-pinion mounting points rotated rearward 20 degrees for steering shaft clearance
- Built-in anti-dive and bump steer correction mounting points
- Lower control arm pivot tubes and corner gussets not included
- Accepts stock Mustang II spindles or aftermarket drop spindles
- Original Flathead oil pan will not clear, best for later V8 engine with rear sump oil pan
- All welds ground smooth, saving you time and energy during installation
Drastically Improve Your ’53-’56 Ford Truck’s Handling with A Mustang II IFS Crossmember
Much like the advent of hydraulic, or “juice” brakes, became an industry standard, so has independent front suspension (IFS). You’ll find IFS on just about every production car and light duty truck sold in America due to its inherent improvement in ride quality, handling, and the ability to provide better control at higher road speeds. These updates are what can turn a long drive at highway speed in your ’53-’56 Ford truck from sketchy to serene simply by updating the original style straight axle suspension for a well-engineered weld-in IFS solution utilizing the tried and true suspension geometry that debuted on the 1974 Mustang II.
Built Strong to Handle the Road Ahead and Look Good Doing It
The typical straight axle front suspension limits you to maybe 2-1/2-inches of suspension travel. That’s not much, which means you’re in for a rough ride. On top of that you’re limited in leaf spring rate choices and the steering linkage setup with bushed kingpins creates some hair raising steering feel, or lack thereof, when you get up to highway speed. Of course, there is always the effect of alignment on a front suspension and getting a straight axle front end aligned is no small chore, often requiring heating/bending of the axle tube itself or other modifications.
Converting your ’53-’56 Ford truck’s chassis to the Mustang II front suspension design with our crossmember kit brings you a whole different driving experience, one that will have you looking for any excuse to get out on the open road and take long trips to events you never attended before due to your Ford’s poor handling at modern highway speeds. Beginning with our 7 gauge steel (that’s a full 3/16 of an inch thick) boxed Mustang 2 front suspension crossmember that is fully welded with extended vertical uprights we have designed in anti-dive geometry to our crossmember and spring towers. Suspension travel, which yields a better ride, is upwards of five inches with our IFS and aligning the IFS can be handled easily by any competent alignment shop. Rack-and-pinion steering provides a quick and crisp steering effort at any road speed, and we have designed our rack mounting tabs to not only be optimized to eliminate bump steer but lay the steering rack back at a 20 degree angle to facilitate a lower steering shaft angle. This helps with exhaust manifold/header and overall engine clearance. The mounts accept both 15-1/2-inch and 16-inch on center rack mount spacing.
Lastly, upgrading to a weld-in IFS Mustang 2 front end kit greatly enhances your braking options with the ability to run the most basic disc brake package all the way up to serious multi-piston racing disc brakes. Track width is dependent upon the brake package and control arms you choose, usually creating a 60- to 62-inch hub-to-hub IFS width with stock arm length. We do offer 5/8-inch narrower upper and lower control arms if needed for specific wheel placement in your application. Additionally, due to the wider truck frame dimensions, 2-inch inner tie rod extensions are necessary. As you can see, our crossmember is the perfect foundation for building the best Mustang II front suspension for your ’53-’56 Ford truck.
Welds to Your Stock Frame Rails for Strength and Accuracy
We understand that bolt-in suspension upgrades are easier for those that like to spin their own wrenches, but we designed our Mustang II crossmembers to be a weld-in solution to maintain their strength and integrity throughout the life of your ’53-’56 Ford truck. While we do encourage the use of a certified welder or chassis shop for installation, if you know your way around a measuring tape and have a MIG welder in your garage there’s really nothing stopping you from following our detailed instructions to fit and weld our Mustang II front suspension crossmember into your ’53-’56 Ford’s frame rails.
Welding our Mustang II suspension crossmember into place is a straightforward installation and can be handled in just a few short hours once the old straight axle and front suspension have been removed. Our crossmember can use stock-style lower Mustang 2 control arms or tubular style arms, but you will need strut rod brackets or our tubular strut rod kit for installation. Note, lower control arm pivot tubes and gussets are not included, as they are typically included with tubular style lower control arm kits. We offer Mustang II control arm kits with and without disc brakes to help you complete your installation. Lastly, if using a power rack-and-pinion steering unit you will need our rack spacers for proper clearance along with the corresponding longer bolts.
Charts
Guides & Documents
Speedway Motors 91034425-DLX Specifications
Speedway Motors 91034425-DLX Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 91034425-DLX |
| Brand | Speedway Motors |
| Position | Front |
| Crossmember Type | Mustang II |
| Crossmember Style | Boxed |
| Attachment Style | Weld-on |
| GENERAL | |
| Steering System Compatibility | Manual/Power Rack and Pinion |
| Control Arm Compatibility | Tubular or Stock |
| Tie Rod Extensions Required | Yes |
| Material Type | Steel |
| Material Gauge | 7-gauge |
| Finish | Natural |
| Ride Height (w/Stock Spindles) | 3" to 4" Lowered |
| Material Thickness | 0.18" |
| Sold in Quantity | Kit |
| Notes | Includes crossmember and shock cups. |
Ratings & Reviews
4.9
12 Reviews
Customers highly recommend Speedway's products for their superior quality and practicality. The praised features include the easy and perfect fit of parts to frames of older models like 1953 F100, suggesting excellent usability. The products are deemed sturdy, well-engineered, and even better than big competitors. The finish quality has exceeded expectations, with excellent manufacturing and well-done welds noted. The Mustang 2 suspension kits in particular are of higher quality than alternatives, potentially saving consumers a lot of work. A minor issue mentioned is the occasional presence of surface rust on bare metal products, though it's easily removable.
Ratings & Reviews
4.9
12 Reviews
Customers highly recommend Speedway's products for their superior quality and practicality. The praised features include the easy and perfect fit of parts to frames of older models like 1953 F100, suggesting excellent usability. The products are deemed sturdy, well-engineered, and even better than big competitors. The finish quality has exceeded expectations, with excellent manufacturing and well-done welds noted. The Mustang 2 suspension kits in particular are of higher quality than alternatives, potentially saving consumers a lot of work. A minor issue mentioned is the occasional presence of surface rust on bare metal products, though it's easily removable.
4.9
12 reviews
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11
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Filter by Ratings
Yes
5.0
a year ago
Slick
Alabama
Verified
It as advertised. Arrived quickly
Would Recommend
Better than I expected
5.0
4 years ago
Low and slow
San Antonio tx
Verified
Speedways quality has gone up in the past few years now they compete with the big dogs and their products are just as good may be better
Would Recommend
Great part, no problem with the installation
5.0
4 years ago
Fastfig
Upstate NY
Verified
Installed on my 1953 F100 frame
Would Recommend
Yes would buy again no problem
5.0
5 years ago
Harr Samarin
Bakersfield Calif
Verified
4 me the finish was more than I expected. Have not installed the rest but looks good, Cross member Has been installed.
Would Recommend



Sturdy built perfect fit
5.0
6 years ago
Hotrod
Edgewood il
Verified
Perfect fit to frame of 53 f100
Better quality than others that I have used before
5.0
6 years ago
Jimmy
Hondo Texas
Verified
I have installed mustang 2 suspension kits before, but this kit seemed higher quality and I recommend calling the tech line to order so you can get the proper spring rates etc. That saved be a ton of work
Would Recommend
I would buy another one
5.0
8 years ago
Shawn
Waynesville Nc
Verified
Easy installation fit perfectly great product. A++++
Would Recommend
I would use this on another car
5.0
8 years ago
Billy
Goodyear
Verified
The product is great and seems just as strong as others.
Would Recommend
Good fit and fast shipping
4.0
10 years ago
Blastman
NC
Verified
Good quality manufacture and very fast shipping
Would Recommend
Speedway does it again!
5.0
14 years ago
Robert "Iceman" Icenogle
Sonora, Ca
Verified
Great example in engineering, The instalation into my 56 Ford Pickup made this truck a wonderful driving truck.
Would Recommend
Showing 10 of 12 reviews
Fitment
Fitment
1953-1956 Ford F-100

