Mustang II IFS, Narrow Tubular Control Arms, Stock Springs and Spindles
74-78 Ford Mustang II, 74-80 Ford Pinto, 75-80 Mercury Bobcat, IFS Front Suspension Type
- Works with all Speedway and Heidt's Mustang II crossmembers
- Features 5/8" narrower tubular control arms reducing the track width to 1.25" overall allowing more room between tire and fender
- Standard style shocks and springs with your choice of spring rate to suit your particular vehicle weight
- 11" vented rotors dissipate heat and create more torque on the wheel, features 5 on 4-1/2" bolt pattern with 1/2"-20 studs, common GM metric calipers with a 2-1/2" bore for proven braking performance and serviceability
- Standard height Mustang II spindles are constructed of 1045 heat-treated alloy steel for strength and retain factory geometry for years of service
Details
Info
Includes 5/8" narrower upper and offset strutless lower control arms, new standard spindles, rubber brake lines, new black stock type springs and shocks, new manual or rebuilt power rack & pinion with bushings and new tie rods. The 11" brake kit features GM Metric calipers, with your choice of 5 x 4-1/2" or 5 x 4-3/4" bolt pattern.
- Works with all Speedway and Heidts crossmembers
- Kit Includes:
- 5/8" narrower Tubular Upper and Lower Strutless Control Arms
- New Stock Spindles, Springs, and Shocks
- Rack and Pinion with bushings and tie rods
- 11" brake kit with GM calipers
- Add proper crossmember to complete kit.
Spring Rate Chart (Link)
Note: Additional items may be needed to complete installation. You may want to include our Mustang II ride height adjusters (91034444) for installation with these IFS kits to fine tune your final ride height up to 2".
Note: If using these kits with Speedway or Heidts crossmembers for 1948-1956 Ford Pickups, 1955-1959 Chevy Pickups, or universal crossmembers for 27-1/2" - 33-1/2" frame widths, you will be required to purchase 2" Inner Tie Rod Extensions (91034345) or (91034346).
Note: Our Mustang II springs that we currently offer are all 13.5” long and require trimming to the length needed for each individual application. Weight rating changes as the spring is shortened. When installing in the vehicle the flat end goes up into the upper hat and the end with the “pigtail” goes down into the lower control arm. Spring is rotated when installing to position the pigtail properly. Springs TOO long will have a tendency to NOT sit properly on the lower arms and actually in some cases bow outward causing spring bind.
Item Details
'Must include Mustang II crossmember for complete installation (sold separately)
Notes
Note: When using 5/8" narrower control arms, 5/8" must be removed from each inner tie rod end.
Why go with tubular control arms?
The most obvious reason is the looks. Tubular control arms and strut rods give your hot rod a much cleaner and hi-tech appearance than the stock type do. Also, when using the strutless style, you gain more clearance because you no longer have the strut rod or its mount in the way of headers, etc. Another bonus is that the tubular control arms are available in 5/8" narrower than stock, which helps tuck the wheels up under the fenders without having to buy expensive special offset wheel. When using 5/8" narrower control arms, 5/8" must be removed from each inner tie rod end.
Note: To offer our customers a better range of spring rates, the springs included in this kit are now black in color, please note that they are no longer chrome plated.
Note: Applications where the vehicle has fenders that mount directly on top of the frame, the fenders will require extensive modification to allow clearance for the upper cross member section.
Note: These kits require the purchase of a Mustang II crossmember (sold separately). Many of our Speedway and Heidts brand crossmembers will work with Manual Rack and Pinion Steering ONLY. When purchasing our crossmembers, be sure to look for their correspondence with power racks if selecting a power rack with our Mustang II IFS kits. With all Mustang II aftermarket crossmembers, spacers and longer bolts must be used with the later (Fox-body) power rack (spacers included).
Finding the right control arms means finding the correct track width: Our Mustang II kits feature 11" rotors. Track width, which is hub face to hub face where the wheels bolt on, will be 57.5". Wheel and tire combination and customer preference determine whether to use the
standard control arms or the 5/8" narrower. The narrower control arms reduce the track with by a total of 1.25". See the link below for
various track widths with different options.
Charts
Front Disc Brake Installation Instructions (PDF)
Tubular Upper Control Arm Instructions (PDF)
Spindle Instructions (PDF)
Related Products
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Mustang II IFS w Stock Control Arms-Springs-Shocks-Spindles-5 on 4-1/2$999.99 -
Mustang II IFS-Control Arms-Springs-Shocks-Dropped Spindles-5 on 4-1/2$999.99
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Mustang II IFS-Std Control Arms-Coilover Spring-Drop Spindles-4-1/2 BP$1,399.99
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Mustang II IFS-Narrow Control Arms-Coilover Springs-Spindles-4-1/2 BP$1,399.99
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Reviews
Q & A
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Speedway Motors and Classic Trucks joined teams to build a 1952 Chevy truck for the newest Week to Wicked build. Jason and Tom talk about the Speedway Motors Mustang II front suspension kit used on the build.