4 Inch Lift Kit - Rear Springs - Ford F-250 4WD (1977-1979)
Give your 77-79 Ford Super Duty an impressive upgrade, front to back with Rough Country's 4" Ford Suspension Lift Kit! This easy-to-install lift kit raises increases your ground clearance to avoid any obstacles and provides a better-than-stock look that gives an improved ride height and more aggressive appearance. This kit features a set of front and rear, lifted leaf springs allowing you gain additional ride height without sacrificing ride quality or performance. A raised steering block and all necessary hardware is provided to keep everything at optimum angles for a factory-like ride, even after lifting. A set of Rough Country's premium N3 shocks are also included. These fine tuned 10-stage variable high-pressure Nitrogen charged shocks offer a fantastic blend of off-road action and smooth highway ride quality. With a durable 18mm spring-loaded piston rod and faster-cooling 54mm shock body. Rough Country's 4" Ford Suspension Lift Kit comes with everything you need to fit up to a 35" tire with proper wheel backspacing. Best of all, Rough Country's 4" Ford Suspension Lift Kit is backed by our Lifetime Replacement Warranty.
  • Easy Bolt-On Installation
  • Increased Ground Clearance

Information:

Models with a Dana 60 front axle require Dana 60 steering block. (#6608) Does NOT fit highboy models.

Application Summary:

Year Make/Model
1977-1979 Ford F-250
Attributes
California Proposition 65 WARNING: Cancer - www.P65Warnings.ca.gov
Category Susp Lift Kits 4wd
Country of Origin (Primary) ID
Front Components Lifted leaf springs Dana 44 steering block U-bolts Hardware, Lifted leaf springs Dana 44 steering block U-bolts Hardware
Front Kit Componenets Lifted leaf springs, Dana 44 steering block, U-bolts, Hardware
GTIN 00843030127466
Harmonized Tariff Code (Schedule B) 8708809900
Hazardous Material Code N
Install Time 6-8 hours, 6 - 8 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 Options No Restrictions
Ships in Multiple Boxes Y
Tire Info 35x12.50R18:Factory 18:8x6.5/8x165.1:-:-;35x12.50R17:Factory 17:8x6.5/8x165.1:-:-;35x12.50R16:Factory 16:8x6.5/8x165.1:-:-;35x12.50R17:17x8.5:8x6.5/8x165.1:+0:-;35x12.50R17:17x8.5:8x6.5/8x165.1:+1:-;35x12.50R17:17x9:8x6.5/8x165.1:-12:-;315/70R17:17x9:8x6.5/8x165.1:-12:-;35x12.50R17:17x9:8x6.5/8x165.1:+0:-;315/70R17:17x9:8x6.5/8x165.1:+0:-;35x12.50R17:17x9:8x6.5/8x165.1:+1:-;315/70R17:17x9:8x6.5/8x165.1:+1:-;35x12.50R18:18x8.5:8x6.5/8x165.1:+0:-;295/70R18:18x8.5:8x6.5/8x165.1:+0:-;35x12.50R18:18x8.5:8x6.5/8x165.1:+1:-;295/70R18:18x8.5:8x6.5/8x165.1:+1:-;35x12.50R18:18x9:8x6.5/8x165.1:-12:-;295/70R18:18x9:8x6.5/8x165.1:-12:-;285/75R18:18x9:8x6.5/8x165.1:-12:-;35x12.50R18:18x9:8x6.5/8x165.1:+0:-;295/70R18:18x9:8x6.5/8x165.1:+0:-;35x12.50R18:18x9:8x6.5/8x165.1:+1:-;295/70R18:18x9:8x6.5/8x165.1:+1:-;35x12.50R18:18x10:8x6.5/8x165.1:-25:-;295/70R18:18x10:8x6.5/8x165.1:-25:-;35x12.50R18:18x10:8x6.5/8x165.1:-19:-;295/70R18:18x10:8x6.5/8x165.1:-19:-;35x12.50R18:18x10:8x6.5/8x165.1:-18:-;295/70R18:18x10:8x6.5/8x165.1:-18:-;35x12.50R20:20x9:8x6.5/8x165.1:-12:-;35x11.50R20:20x9:8x6.5/8x165.1:-12:-;295/65R20:20x9:8x6.5/8x165.1:-12:-;295/60R20:20x9:8x6.5/8x165.1:-12:-;35x12.50R20:20x9:8x6.5/8x165.1:+0:-;295/60R20:20x9:8x6.5/8x165.1:+0:-;35x12.50R20:20x9:8x6.5/8x165.1:+1:-;295/60R20:20x9:8x6.5/8x165.1:+1:-;35x12.50R20:20x10:8x6.5/8x165.1:-25:Minor Trimming;35x12.50R20:20x10:8x6.5/8x165.1:-19:Minor Trimming;295/60R20:20x10:8x6.5/8x165.1:-19:Minor Trimming;35x12.50R20:20x10:8x6.5/8x165.1:-18:Minor Trimming;295/60R20:20x10:8x6.5/8x165.1:-18:Minor Trimming;35x12.50R20:20x12:8x6.5/8x165.1:-44:Trimming Required;35x12.50R22:22x10:8x6.5/8x165.1:-25:Minor Trimming;35x12.50R22:22x10:8x6.5/8x165.1:-19:Minor Trimming;285/55R22:22x10:8x6.5/8x165.1:-19:-;35x12.50R22:22x10:8x6.5/8x165.1:-18:Minor Trimming;285/55R22:22x10:8x6.5/8x165.1:-18:-;35x12.50R22:22x12:8x6.5/8x165.1:-44:Trimming Required
Tire, Wheel, and Offset Info 35x12.50R18:Factory18:8x6.5/8x165.1:-:-; 35x12.50R17:Factory17:8x6.5/8x165.1:-:-; 35x12.50R16:Factory16:8x6.5/8x165.1:-:-; 35x12.50R17:17x8.5:8x6.5/8x165.1:+0:-; 35x12.50R17:17x8.5:8x6.5/8x165.1:+1:-; 35x12.50R17:17x9:8x6.5/8x165.1:-12:-; 35x12.50R17:17x9:8x6.5/8x165.1:+0:-; 35x12.50R17:17x9:8x6.5/8x165.1:+1:-; 35x12.50R18:18x8.5:8x6.5/8x165.1:+0:-; 35x12.50R18:18x8.5:8x6.5/8x165.1:+1:-; 35x12.50R18:18x9:8x6.5/8x165.1:-12:-; 35x12.50R18:18x9:8x6.5/8x165.1:+0:-; 35x12.50R18:18x9:8x6.5/8x165.1:+1:-; 35x12.50R18:18x10:8x6.5/8x165.1:-25:-; 35x12.50R18:18x10:8x6.5/8x165.1:-24:-; 35x12.50R18:18x10:8x6.5/8x165.1:-19:-; 35x12.50R18:18x10:8x6.5/8x165.1:-18:-; 35x12.50R20:20x9:8x6.5/8x165.1:-12:-; 35x12.50R20:20x9:8x6.5/8x165.1:+0:-; 295/60R20:20x9:8x6.5/8x165.1:+0:-; 35x12.50R20:20x9:8x6.5/8x165.1:+1:-; 295/60R20:20x9:8x6.5/8x165.1:+1:-; 35x12.50R20:20x10:8x6.5/8x165.1:-25:-; 35x12.50R20:20x10:8x6.5/8x165.1:-24:-; 35x12.50R20:20x10:8x6.5/8x165.1:-19:-; 295/60R20:20x10:8x6.5/8x165.1:-19:-; 35x12.50R20:20x10:8x6.5/8x165.1:-18:-; 295/60R20:20x10:8x6.5/8x165.1:-18:-; 35x12.50R22:22x10:8x6.5/8x165.1:-25:-; 35x12.50R22:22x10:8x6.5/8x165.1:-24:-; 35x12.50R22:22x10:8x6.5/8x165.1:-19:-; 35x12.50R22:22x10:8x6.5/8x165.1:-18:-

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Rough Country 505.20 4-inch Suspension Lift System

Product Information

Vehicle Fitment