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Home / Suspension & Lift Kits / Lift Kits / Rough Country 450.20
Rough CountryPart 450.20 · UPC 00843030127107

4-Inch Lift Kit with N3 Shocks for 1978"1979 Ford Bronco 4WD

$479.95MAP price
In stock — 7 available
Shipping weight: 98.6 lb.
  • Fits 1978-1979 Ford Bronco 4WD " Custom, Northland, and Ranger XLT submodels listed in fitment
  • Kit contents: 4in coils, 7\u00b0 C-bushings, track bar drop bracket, 3 Inch Block & U-Bolt Kit, installation kit, and 4in N3 Shock Kit
  • Supplied rear blocks replace the factory block; a drop pitman arm is recommended, and it must not be used with a welded-ball-joint original arm
  • Factory quad-shock trucks (two front shocks per side) use a single aftermarket shock per side
  • Rough Country install time estimate: 5-7 hours

The Trail Fortress check

Will it fit your truck?

✓ Fits

1978–1979 Ford Bronco · 4WD
CustomNorthlandRanger XLT

New rear blocks replace the factory rear block. A drop pitman arm is recommended for optimum turning radius and drag link alignment. (#6602) (#6602) pitman arm will NOT work if the original arm has a welded ball joint on the end. Vehicles with factory quad shocks (2 front shocks per side) will simply use a single aftermarket shock. Fitment on this page is based on the manufacturer’s application data.

About this kit

4-Inch Lift Kit with N3 Shocks, fitment-checked

Rough Country 450.20 is a 4-inch lift kit for the 1978-1979 Ford Bronco 4WD in Custom, Northland, and Ranger XLT trim. It pairs lifted front coils, 7\u00b0 C-bushings, and a track bar drop bracket with 3-inch rear blocks and U-bolts, plus a matched 4in N3 shock kit. Rough Country estimates 5-7 hours for the install.

This 4-inch lift kit for the 1978-1979 Ford Bronco 4WD is built around lifted front coil springs, 7\u00b0 C-bushings, and a track bar drop bracket up front, with 3-inch blocks, U-bolts, and hardware handling the rear. The supplied blocks take the place of the factory rear block. Rough Country recommends a drop pitman arm for turning radius and drag link alignment, and notes that the arm will not work with an original arm carrying a welded ball joint. Broncos built with two front shocks per side run a single aftermarket shock per side instead.

What’s in the box

Kit contents

  • 1× 3 Inch Block & U-Bolt Kit 6542
  • 1× Installation Kit 7516
  • 1× 4in Coils 9260
  • 1× 7 Degreee C Bushings 6022
  • 1× 4in N3 Shock Kit 145020

Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 450.20 kit fits the vehicles shown in the fitment section above.

Specifications

Specs

BrandRough Country
Part number450.20
UPC / GTIN00843030127107
Lift height4 in
Shock packageN3 series
Shipping weight98.6 lb
CategorySuspension & Lift Kits › Lift Kits

Why buy here

The fitment-first store

Manufacturer-listed exclusions shown. We publish what a part does not fit — before you buy, not after the return.
Sourced from the application data. Fitment on this page comes from the manufacturer’s application catalog, not a copied listing.
Real install docs. The actual step-by-step guide, linked right on the page.