4 Inch Lift Kit - Rear Springs - Ford F-100/F-150 4WD (1977-1979)
Bold Stance, Better Clearance: Transform your Ford with Rough Country's 4" Suspension Lift Kit, delivering a more aggressive, leveled look from front to rear. This system eliminates the factory rake for a balanced stance while improving ground clearance to take on uneven terrain and off-road challenges with confidence. Performance-Driven Components: The kit includes a set of durable front coil springs for enhanced ride height without sacrificing comfort or performance. Application-specific 7-degree C-bushings and a track bar drop bracket maintain proper geometry and alignment, ensuring a factory-like ride quality even after lifting. Rear Lifted Leaf Springs for Strength and Support: Engineered for dependability, the included rear leaf springs are double-tapered and feature Teflon pad inserts to improve ride comfort while offering consistent lift and added load support. Premium N3 Shock Absorbers: This kit features Rough Country's nitrogen-charged N3 shocks, precision-tuned with a 10-stage variable valving system, 18mm piston rods, and fast-cooling 54mm shock bodies for enhanced off-road handling and smooth highway ride quality. Ready for 35-Inch Tires: Gain the clearance needed to run up to 35" tires, giving your truck a more aggressive profile and increased off-road capability, all with proper wheel backspacing. Built to Last: Backed by Rough Country's Limited Lifetime Replacement Warranty, this 4" Ford Suspension Lift Kit combines rugged durability with confidence-inspiring performance, on and off the road.
- Improved Ground Clearance: Gain the extra height needed to confidently tackle uneven terrain, obstacles, and off-road challenges.
- Front-to-Rear Leveling: Eliminates the factory rake for a more aggressive, balanced stance and improved handling dynamics.
- Rear Lifted Leaf Springs: Includes application-specific rear leaf springs designed to provide dependable lift, load support, and long-lasting durability.
- Fits 35-Inch Tires: Provides the clearance needed to run up to 35" tall tires for a more aggressive look and better trail capability.
- Includes N3 Shock Absorbers: Equipped with Rough Country's premium N3 shocks for improved ride quality and off-road performance.
Application Summary:
| Year |
Make/Model |
| 1977-1979 |
Ford F-150 |
| Attributes |
| California Proposition 65 |
WARNING: Cancer - www.P65Warnings.ca.gov |
| Category |
Susp Lift Kits 4wd, Susp Lift Kits 4wd |
| Country of Origin (Primary) |
ID |
| Front Components |
Lifted coil springs Track bar drop bracket 7-? C-bushings Hardware, Lifted coil springs Track bar drop bracket 7? C-bushings Hardware, Lifted Coil Springs/Track Bar Drop Bracket/7 Degree C-Bushings/Hardware |
| Front Kit Componenets |
Lifted coil springs, Track bar drop bracket, 7° C-bushings, Hardware |
| Front Kit Components |
Lifted coil springs, Track bar drop bracket, 7° C-bushings, Hardware |
| GTIN |
00843030126988 |
| Harmonized Tariff Code (Schedule B) |
8708801600 |
| Hazardous Material Code |
N |
| Install Time |
5-7 hours |
| Installation Time |
5-7 hours |
| Life Cycle Status Code |
Available to Order |
| Lift/Drop Height |
4 in. |
| NAFTA Preference Criterion Code |
D |
| Rear Components |
Lifted leaf springs U-bolts Hardware, Lifted Leaf Springs/U-Bolts/Hardware |
| Rear Kit Components |
Lifted leaf springs, U-Bolts, Hardware |
| SDR Required Flag |
N |
| Shipping Group |
No Restrictions |
| Shipping Options |
No Restrictions |
| Ships in Multiple Boxes |
Y, Y |
| Tire Info |
35x12.50R15:Factory 15:5x5.5:-:-;35x12.50R15:15x8:5x5.5:-19:-;35x12.50R15:15x8:5x5.5:-18:-;35x12.50R15:15x10:5x5.5:-39:Trimming Required;35x12.50R16:16x8:5x5.5:-12:-;35x12.50R16:16x8:5x5.5:-6:-;35x12.50R17:17x8.5:5x5.5:+0:-;35x12.50R17:17x8.5:5x5.5:+1:-;35x12.50R17:17x9:5x5.5:-12:-;35x12.50R17:17x9:5x5.5:+0:-;35x12.50R17:17x9:5x5.5:+1:-;35x12.50R18:18x9:5x5.5:-12:-;295/70R18:18x9:5x5.5:-12:-;35x12.50R18:18x9:5x5.5:+0:-;295/70R18:18x9:5x5.5:+0:-;35x12.50R18:18x9:5x5.5:+1:-;295/70R18:18x9:5x5.5:+1:-;35x12.50R18:18x10:5x5.5:-25:-;295/70R18:18x10:5x5.5:-25:-;35x12.50R18:18x10:5x5.5:-19:-;295/70R18:18x10:5x5.5:-19:-;35x12.50R18:18x10:5x5.5:-18:-;295/70R18:18x10:5x5.5:-18:-;35x12.50R20:20x9:5x5.5:-12:-;35x12.50R20:20x9:5x5.5:+0:-;35x12.50R20:20x9:5x5.5:+1:-;35x12.50R20:20x10:5x5.5:-25:Minor Trimming;35x12.50R20:20x10:5x5.5:-19:Minor Trimming;35x12.50R20:20x10:5x5.5:-18:Minor Trimming;35x12.50R22:22x10:5x5.5:-25:Minor Trimming;35x12.50R22:22x10:5x5.5:-19:Minor Trimming;35x12.50R22:22x10:5x5.5:-18:Minor Trimming;35x12.50R22:22x12:5x5.5:-44:Trimming Required |
| Tire Information |
35x12.50R15:Factory 15:5x5.5:-:-;35x12.50R15:15x8:5x5.5:-19:-;35x12.50R15:15x8:5x5.5:-18:-;35x12.50R15:15x10:5x5.5:-39:Trimming Required;35x12.50R16:16x8:5x5.5:-12:-;35x12.50R16:16x8:5x5.5:-6:-;35x12.50R17:17x8.5:5x5.5:+0:-;35x12.50R17:17x8.5:5x5.5:+1:-;35x12.50R17:17x9:5x5.5:-12:-;35x12.50R17:17x9:5x5.5:+0:-;315/70R17:17x9:5x5.5:+0:-;35x12.50R17:17x9:5x5.5:+1:-;315/70R17:17x9:5x5.5:+1:-;35x12.50R18:18x9:5x5.5:-12:-;295/70R18:18x9:5x5.5:-12:-;35x12.50R18:18x9:5x5.5:+0:-;295/70R18:18x9:5x5.5:+0:-;35x12.50R18:18x9:5x5.5:+1:-;295/70R18:18x9:5x5.5:+1:-;35x12.50R18:18x10:5x5.5:-25:-;295/70R18:18x10:5x5.5:-25:-;35x12.50R18:18x10:5x5.5:-19:-;295/70R18:18x10:5x5.5:-19:-;35x12.50R18:18x10:5x5.5:-18:-;295/70R18:18x10:5x5.5:-18:-;35x12.50R20:20x9:5x5.5:-12:-;35x12.50R20:20x9:5x5.5:+0:-;35x11.50R20:20x9:5x5.5:+0:-;35x12.50R20:20x9:5x5.5:+1:-;35x11.50R20:20x9:5x5.5:+1:-;35x12.50R20:20x10:5x5.5:-25:Minor Trimming;35x12.50R20:20x10:5x5.5:-19:Minor Trimming;35x12.50R20:20x10:5x5.5:-18:Minor Trimming;35x12.50R22:22x10:5x5.5:-25:Minor Trimming;35x12.50R22:22x10:5x5.5:-19:Minor Trimming;35x12.50R22:22x10:5x5.5:-18:Minor Trimming;35x12.50R22:22x12:5x5.5:-44:Trimming Required |
| Tire, Wheel, and Offset Info |
35x12.50R15:Factory 15:5x5.50:-:-; 35x12.50R15:15x8:5x5.50:-19:-; 35x12.50R15:15x10:5x5.50:-39:-; 35x12.50R16:16x8:5x5.50:-6:-; 35x12.50R17:17x8.5:5x5.50:+0:-; 35x12.50R17:17x9:5x5.50:-12:-; 35x12.50R17:17x9:5x5.50:+0:-; 35x12.50R17:17x9:5x5.50:+1:-; 35x12.50R18:18x9:5x5.50:-12:-; 35x12.50R18:18x9:5x5.50:+0:-; 35x12.50R18:18x9:5x5.50:+1:-; 35x12.50R18:18x10:5x5.50:-25:-; 35x12.50R18:18x10:5x5.50:-24:-; 35x12.50R18:18x10:5x5.50:-19:-; 35x12.50R18:18x10:5x5.50:-18:-; 35x12.50R20:20x9:5x5.50:-12:-; 35x12.50R20:20x9:5x5.50:+0:-; 35x12.50R20:20x9:5x5.50:+1:-; 35x12.50R20:20x10:5x5.50:-25:-; 35x12.50R20:20x10:5x5.50:-24:-; 35x12.50R20:20x10:5x5.50:-19:-; 35x12.50R20:20x10:5x5.50:-18:-; 35x12.50R22:22x10:5x5.50:-25:-; 35x12.50R22:22x10:5x5.50:-24:-; 35x12.50R22:22x10:5x5.50:-19:-; 35x12.50R22:22x10:5x5.50:-18:- |
| Utv Product |
N |
