4in Ford Lift Kit | Superunner Radius Arm Kit

4in Ford Lift Kit | Superunner Radius Arm Kit

Starting At*: $902
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  • This is a complete Superunner extended radius arm suspension lift kit for the 1980-1996 Ford Bronco or F-150 4WD
  • Provides 4” lift height
  • Includes rear blocks, front and rear Superlift shocks
What does it include?
  • Coil springs, radius arms, axle pivot brackets, shocks, drop pitman arm, rear block and u-bolt kit, and all hardware required specific to the 1980-1996 4WD Ford Bronco or or F-150.
  • Detailed instruction manual walking you step-by-step through the lift kit installation procedures suitable for do-it-yourselfers (DIY) or professional installation

This is the SUPERLIFT 4 Inch suspension lift kit for the 1980-1996 Ford Bronco or F-150 4WD . With a SUPERLIFT suspension and more tire, your third-generation Ford Bronco will have an awesome stance and more off-road ground clearance.

This SUPERLIFT system is designed for owners looking to gain more ground clearance, wheel travel flexibility, and a straight-up stance. 

1980 was the first time Ford used a 2-piece front axle, coil springs and radius arms on their full-size Ford Bronco/F-150. Ford called this version of their Independent Front Suspension (IFS) the Twin Traction Beam (TTB). The TTB axle is comprised of two beams that are mounted on pivots, with the tire at one end, and the pivot at the other. The pivots from both sides cross over center. 2WD versions were called Twin-I Beam. The rear suspension remained a solid axle with leaf springs on both 4WD & 2WD models.

As the front ride height is raised on the TTB, the tops of the tires lean outward creating positive camber angle. With lifts over 2 inches, caster and camber angles must be addressed.

In stock form, the radius arms are parallel with the frame. Once lifted, the radius arms become angled because the axle end moves downward and the frame end remains fixed in the factory mount. Castor correction is handled by two different methods from SUPERLIFT. 

  • Method 1: In the standard bracket kit, SUPERLIFT lowers the stock radius arm to frame mount with new drop-down brackets. You remove the factory mount and replace it with these heavy-duty SUPERLIFT mounting brackets.
  • Method 2: Replace the factory radius arms with longer Superunner radius arms. These arms are eighteen (18) inches longer than stock. You remove the factory mount and re-install it farther back on the frame. These longer arms offer many benefits to on & off-roading performance (reinforced axle mount, enhanced wheel travel, decreases camber changes during the suspension travel cycle, and more).

Camber correction is solved with new axle-to-crossmember lowering brackets. These strong, heavy-duty axle pivot brackets are constructed of 0.25 Inch steel plate. To precisely dial-in the camber angle, it may be necessary to replace stock eccentric camber bushings. Ford Dealers or your local alignment shop offers these bushings (usually available in set increments up to 2 degrees of change.)

For the front, this kit includes axle-to-crossmember lowering brackets (axle pivot brackets) for correct camber angle. Extended length Superunner radius arms are included for caster correction. A drop pitman arm is included to reduce steering linkage angles. We revised this 1980-1996 Ford Bronco lift kit from the drawing board in West Monroe, Louisiana, using state of the art design tools and software. The majority of metal and components are manufactured (fabricated and/or CNC precision machined) at our design and manufacturing center in West Monroe, LA. We ensure that the optimum ride and handling performance is designed into every lift system.

SUPERLIFT engineers develop these 4-inch front lift coil springs to give you the best ride and handling characteristics of available. They’re pre-set to reduce fatigue in the steel, minimize settling and guarantee a consistent ride height. Shot-peened to increase tensile strength and allow maximum wheel travel without sacrificing the life of the springs.

Features:

  • For the rear, a 2.5 inch rear block comes complete with proven cast steel blocks, U-bolts, nuts and washers.
  • Included in this system is a set of four (4) Superlift hydraulic shocks absorbers. Superide shock absorbers are designed to provide excellent ride quality, durability and longevity. They feature 10-stage, velocity-sensitive valving for maximum control on or off-road without sacrificing a comfortable ride. Shock resistance is continually adjusted, depending on the terrain and vehicle speed.
  • SUPERLIFT provides detailed instructions suitable for both do-it-yourselfers (DIY) or for installing dealers.
  • This SUPERLIFT system is designed for the 1980-1996 Ford Bronco owners looking to gain more ground clearance, wheel travel flexibility and a straight-up stance. Our K385 addresses all of your lift kit needs in terms of product quality, durability, craftsmanship, and price. It includes everything you need to lift your legendary Ford F-150. SUPERLIFT does have personalized options and upgrades to enhance your install plus steering & handling performance.
  • Front: Coil springs (1 pair); drop axle pivot brackets (2); extended length Superunner radius arms (2); radius arm bushings (4); Supplied Hardware; drop pitman arm (1); Superlift Shocks (2).
  • Rear: Rear block kit; 2.5 inch cast steel blocks (2); U-bolts (4); heavy-duty flat washers (8); U-bolt long nuts; Superlift Shocks (2).

NOTE: Optional extended length brake hoses recommended. Our front sway bar relocation kit is suggested if full suspension articulation is desired. The optional Superunner Steering System conversion is Highly Recommended for Optimal Steering Performance.

NOTE: Standard shock is behind the axle. Auxiliary shock is in front of the axle.  If the vehicle is factory-equipped with auxiliary (dual) front shocks, also order quantity two (2) #85280 Superlift shocks.

 

Tire Wheel Backspacing Offset
33 x 12.5 15 x 8 3.75 - 4 -

 

IMPORTANT DISCLAIMER: The provided tire/wheel fitments are approximate. Actual dimensions of a given tire size can vary considerably from one brand to another. Manufacturers' wheel offset and backspacing measurement points are not always consistent. Backspacing greatly impacts tire-to-fender clearance when turning. Wheel width and backspacing influence whether the tires protrude past the fenders, and to what extent. Considering these important factors, we recommend that you fit-check your tire/wheel selection prior to purchasing.

  • Installation time: 9 hours
  • Difficulty level: 3 of 5

NOTE: Optional extended length brake hoses recommended. Our front sway bar relocation kit is suggested if full suspension articulation is desired. The optional Superunner Steering System conversion is Highly Recommended for Optimal Steering Performance.

NOTE: Standard shock is behind the axle. Auxiliary shock is in front of the axle.  If the vehicle is factory-equipped with auxiliary (dual) front shocks, also order quantity two (2) #85280 Superide shocks.

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