4-Inch Lift Kit with N3 Shocks for 1970–1976 Ford F-100/F-150 4WD
- Fits 1970–1976 Ford F-100 4WD and 1976 Ford F-150 4WD across Base, Custom, Northland, Ranger, and Ranger XLT submodels
- Only for trucks with 3-inch wide rear leaf springs. Measure before ordering
- Kit contents: 4-inch coils, 7-degree C-bushings, track bar bracket, two 4-inch rear leaf springs, universal U-bolt kit, installation kit, and two N3 shock pairs
- Clearance for tires up to 35 inches; the supplied tire chart flags which wheel combinations need trimming
- Install time listed at 5-7 hours
Check tire fit for this kit → The manufacturer publishes 7 verified tire sizes for this kit, with wheel width, bolt pattern and offset for each.
Will it fit your truck?
✓ Fits
ONLY fits models with 3-inch wide rear leaf springs. Fitment on this page is based on the manufacturer’s application data.
More for your truck
4-Inch Lift Kit with N3 Shocks, fitment-checked
Rough Country 500-70-76.20 is a 4-inch lift kit for 1970–1976 Ford F-100 4WD and 1976 Ford F-150 4WD. It pairs lifted front coils and application-matched rear leaf springs with two N3 shock pairs. One fitment condition decides the sale: the truck must have rear leaf springs measuring 3 inches wide. Rough Country lists the install at 5-7 hours.
This 4-inch lift kit for the 1970–1976 Ford F-100 4WD and 1976 F-150 4WD ships as a full front-and-rear package: lifted coil springs, 7-degree C-bushings and a track bar bracket up front, rear leaf springs with U-bolts and hardware out back, plus two N3 shock pairs. Confirm the rear springs on your truck are 3 inches wide before ordering. Narrower springs are not covered. Rough Country's tire chart shows clearance for tires up to 35 inches, with trimming called out on some wheel and tire combinations. Budget 5-7 hours of shop time.
Kit contents
- 2× 4in Rear Leaf Spring 8033
- 1× Installation Kit 7516
- 1× Universal U-Bolt Kit 7643$39.95
- 1× 4in Coils 9260
- 1× 7 Degreee C Bushings 6022
- 1× N3 Shock Pair 23148
- 1× N3 Shock Pair 23282
Priced components are sold separately here, so a worn shock or arm can be replaced on its own later.
Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 500-70-76.20 kit fits the vehicles shown in the fitment section above.
Specifications
| Brand | Rough Country |
| Part number | 500-70-76.20 |
| UPC / GTIN | 00843030126971 |
| Lift height | 4 in |
| Shock package | N3 series |
| Shipping weight | 253 lb |
| Country of origin | ID |
| Category | Suspension & Lift Kits › Lift Kits |
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