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Part # 91034101

Mustang II IFS, Stock Control Arms, Springs, and Shocks, Dropped Spindles

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  • These kits are designed to work with most Speedway and Heidts crossmembers
  • Comes with new stamped steel upper and lower control arms with polyurethane bushings
  • Has 2" dropped spindles and new black stock-type springs

Bolt Pattern:

Select a bolt pattern

$1,342.99

kit

In Stock


Quantity

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Product Summary

74-78 Mustang II, 74-80 Pinto, 75-80 Bobcat, Natural

  • These kits are designed to work with most Speedway and Heidts crossmembers
  • Comes with new stamped steel upper and lower control arms with polyurethane bushings
  • Has 2" dropped spindles and new black stock-type springs
  • Includes an 11" brake kit featuring GM Metric-style calipers, with your choice of 5 x 4-1/2" or 5 x 4-3/4" bolt patterns
  • Fully compatible with your application based on which crossmember you have

Key Specs

MFG. Part #
BrandSpeedway Motors
Front Suspension TypeIFS
Control Arm StyleStamped
Spring TypeCoil Spring

Need To Know

Quick and Easy Returns

Details

With our complete Mustang II Independent Front Suspension kit you get brand new stamped steel upper and lower control arms with polyurethane bushings, steel 2" dropped spindles, Rubber Brake Lines, new black stock type springs & shocks, new manual rack & pinion with bushings or remanufactured power rack & pinion with bushings and an 11" brake kit featuring GM Metric-style calipers, with your choice of 5 x 4-1/2" or 5 x 4-3/4" bolt patterns.

  • Works with most Speedway and Heidts crossmembers (be sure to check control arm correspondence when choosing crossmember for your vehicle)
  • These kits are compatible with your application based on which crossmember you have.
  • Kit Includes:
    • New stamped steel upper and lower control arms with polyurethane bushings
    • 2" dropped spindles
    • New black stock-type springs
    • New shocks
    • Rack and Pinion with bushings and tie rods
    • 11" brake kit with GM calipers
  1. Crossmember NOT included - Add proper crossmember to complete kit.

Spring Rate Chart (Link)

WARNING: 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: These IFS kits will require use of strut rods and brackets for the lower control arms.  These kits will work with our replacement strut rod (91034315) and brackets (91034358).  If using the stock style control arms we suggest using the tubular strut rod number (91034322) for additional clearance and better suspension geometry.

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).

Item Details

Must include Mustang II crossmember for complete installation (sold separately)

 

Charts

Specs

Hub-to-Hub Kit (Less Crossmember)

  • New Control Arms
  • Polyurethane Bushings
  • New Strut Rods w/ Bushings
  • New Stock or 2" Dropped Spindles
  • New Black Painted Coil Springs
  • New Chrome Shocks
  • New Manual or Power Rack & Pinion
  • New Tie Rod Ends
  • New 11" Brake Kit
  • 5x4-1/2" or 5x4-3/4" Bolt Circle

Warranties

WARNING: DRIVING A LOWERED VEHICLE COULD BE DANGEROUS AND COULD CAUSE DAMAGE TO YOR SUSPENSION

The original intent of the air spring was to provide a very smooth ride.  It was not designed to provide an adjustable ride height.  You can not drive the vehicle at any ride height you select. 

All suspension systems are designed to operate at a specific midpoint position, with provisions for suspension travel. The Mustang II suspension is no exception. It has a specific mid-point position which is when the lower control arms are level. The suspension must be in this position to provide full suspension travel and correct geometry action.

In this type of suspension the shock is normally the bottom out device. When the vehicle is lowered the shocks compression and extension limits change and the shocks will bottom out or the ball joints could pinch when it is lowered. The air ride suspension is only designed to lower your vehicle while it is parked. If you attempt to drive a vehicle in the lowered position it could be dangerous and will cause damage to your vehicle. This could result in broken control arms, shocks and ball joints.

Specifications

KEY SPECS
MFG. Part #
BrandSpeedway Motors
Front Suspension TypeIFS
Control Arm StyleStamped
Spring TypeCoil Spring
GENERAL
Suspension Height Adjustment2 Inch Lowered
Shock TypeTwin Tube
FinishNatural
Bolt Pattern
Rotor Diameter11 Inch
Spindle StyleFord Custom
Dropped SpindlesYes
Dropped AxleNo
Dropped Control ArmsNo
Spindles IncludedYes
Steering IncludedYes
Welding RequiredYes