4 Inch Lift Kit
Rear Springs · Dodge W200 Truck/W300 Truck 4WD (1978-1980)
$919.95the kit
ETA 09/24/2026 · as of Sep 19
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Before you buy
Does NOT fit models with Cummins diesel engine. ONLY fits models with Dana 44 front axle. New rear leaf springs replaces your factory equipped block.
Tires Rough Country fitted with this kit
Tested setups from the maker. Tap a tire size to shop it; a size we do not stock yet, we can quote on your call.
| Tire | Wheel | Bolt pattern | Offset | Note |
|---|---|---|---|---|
| 35x12.50R15 | Factory 15 | 5x5.5 | — | |
| 35x12.50R15 | 15x8 | 5x5.5 | -19 | |
| 35x12.50R15 | 15x8 | 5x5.5 | -18 | |
| 35x12.50R16 · not stocked yet | 16x8 | 5x5.5 | -19 | |
| 35x12.50R16 · not stocked yet | 16x8 | 5x5.5 | -18 | |
| 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 | |
| 305/70R17 | 17x9 | 5x5.5 | +0 | |
| 35x12.50R17 | 17x9 | 5x5.5 | +1 | |
| 305/70R17 | 17x9 | 5x5.5 | +1 | |
| 35x12.50R18 | 18x8.5 | 5x5.5 | +0 | |
| 295/70R18 | 18x8.5 | 5x5.5 | +0 | |
| 35x12.50R18 | 18x8.5 | 5x5.5 | +1 | |
| 295/70R18 | 18x8.5 | 5x5.5 | +1 | |
| 35x12.50R18 | 18x9 | 5x5.5 | -12 | |
| 295/70R18 | 18x9 | 5x5.5 | -12 | |
| 285/75R18 | 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 | |
| 295/70R18 | 18x10 | 5x5.5 | -25 | |
| 295/70R18 | 18x10 | 5x5.5 | -19 | |
| 295/70R18 | 18x10 | 5x5.5 | -18 | |
| 35x12.50R20 | 20x9 | 5x5.5 | -12 | |
| 35x12.50R20 | 20x9 | 5x5.5 | +0 | |
| 295/60R20 | 20x9 | 5x5.5 | +0 | |
| 35x12.50R20 | 20x9 | 5x5.5 | +1 | |
| 295/60R20 | 20x9 | 5x5.5 | +1 | |
| 295/60R20 | 20x10 | 5x5.5 | -19 | Minor Trimming |
| 295/60R20 | 20x10 | 5x5.5 | -18 | Minor Trimming |
| 35x12.50R22 | 22x10 | 5x5.5 | -19 | Minor Trimming |
| 285/55R22 | 22x10 | 5x5.5 | -19 | |
| 35x12.50R22 | 22x10 | 5x5.5 | -18 | Minor Trimming |
| 285/55R22 | 22x10 | 5x5.5 | -18 | |
| 35x12.50R22 | 22x12 | 5x5.5 | -44 | Trimming Required |
About this kit
Give your Dodge W-Series Pickup an impressive upgrade, front to back with Rough Country’s 4" Dodge Suspension Lift System! 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" Dodge Suspension Lift System comes with everything you need to fit up to a 35" tire with proper wheel backspacing. Best of all, Rough Country's 4” Dodge Suspension Lift System is backed by our Lifetime Replacement Warranty.
Highlights
- Increased ground clearance
What's in the box
- 2 × 4in Rear Leaf Spring | Dodge/Plymouth Trailduster (74-81)/W100 Truck (70-89) Part #8034
- 1 × Universal U-Bolt Kit Part #7604
- 1 × Sprg. Bush & Slv Kit | Dodge Ramcharger (74-93) Dodge W100 Pickup (70-89) Part #6072
- 1 × Installation Kit | Dodge Ramcharger (78-93) Dodge W100 Pickup (86-89) Part #7520
- 2 × 4in Front Leaf Spring | Dodge/Plymouth Trailduster (74-81)/W100 Truck (70-89) Part #8003
- 1 × Steering Block | 3 Bolt | Ford F-250 4WD (1977-1979) Part #6603
- 1 × N3 Shock Pair Part #23275
- 1 × N3 Shock Pair Part #23276
| Front | Lifted leaf springs Dana 44 steering block U-bolts Hardware |
|---|---|
| Rear | Lifted leaf springs U-bolts Hardware |
Specifications
| Brand | Rough Country |
|---|---|
| Part number | 340.20 |
| UPC | 843030126414 |
| Lift | 4″ |
| Shipping weight | 266 lb |
| Country of origin | India |
| Shipping | Ground shipping only · Arrives in more than one box |
Trucks it fits
| Truck | Years | Drive | Trims |
|---|---|---|---|
| Dodge W150 | 1977–1993 | 4WD | Base |
| Dodge W150 | 1990–1991 | 4WD | S |
| Dodge W200 | 1978–1980 | 4WD | Base |
| Dodge W250 | 1981–1993 | 4WD | Base |
| Dodge W350 | 1981–1993 | 4WD | Base |