4-Inch Lift Kit with N3 Shocks for Dodge W100–W300 4WD (1974–1977)
- Fits 1974–1977 Dodge W100, W200, and W300 4WD: Dana 60 front axle required
- Does not fit trucks equipped with the Cummins diesel engine
- Front: lifted leaf springs, Dana 60 steering block, U-bolts, hardware; rear: 3 inch blocks, U-bolts, hardware
- Two N3 shock pairs and a spring bushing and sleeve kit are part of the kit
- Listed install time 6 - 8 hours; downloadable installation guide available
Check tire fit for this kit → The manufacturer publishes 6 verified tire sizes for this kit, with wheel width, bolt pattern and offset for each.
Will it fit your truck?
✓ Fits
+ 2 more applications
✕ Does not fit
- Models with Cummins diesel engine
ONLY fits models with Dana 60 front axle. Fitment on this page is based on the manufacturer’s application data.
4-Inch Lift Kit with N3 Shocks, fitment-checked
Rough Country 306.20 is a 4-inch lift kit for 1974–1977 Dodge W100, W200, and W300 4WD trucks. It pairs lifted front leaf springs and 3 inch rear blocks with two N3 shock pairs. It fits only trucks with a Dana 60 front axle, and it does not fit models with the Cummins diesel engine.
This 4-inch lift kit for the 1974–1977 Dodge W100, W200, and W300 4WD covers the Base and Custom submodels listed in the fitment section, including the W100 Pickup, W200 Pickup, and W300 Pickup applications. Front lift comes from a pair of leaf springs plus a Dana 60 steering block; the rear rides on 3 inch blocks with a universal U-bolt kit. A spring bushing and sleeve kit, an installation kit, and two N3 shock pairs round out the box. Rough Country lists 6 - 8 hours for the job, and a downloadable installation guide is available.
Kit contents
- 1× Lift Block Kit 6594$49.95
- 1× Sprg. Bush & Slv Kit 6072
- 1× INSTALLATION KIT 7519
- 1× Universal U-Bolt Kit 7603$39.95
- 2× 4in Front Leaf Spring 8003
- 1× Steering Block 6608$69.95
- 1× N3 Shock Pair 23275
- 1× N3 Shock Pair 23276
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 306.20 kit fits the vehicles shown in the fitment section above.
Specifications
| Brand | Rough Country |
| Part number | 306.20 |
| UPC / GTIN | 00843030128074 |
| Lift height | 4 in |
| Shock package | N3 series |
| Shipping weight | 150 lb |
| Category | Suspension & Lift Kits › Lift Kits |
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