4-Inch Lift Kit with N3 Shocks for Plymouth Trailduster (1974)
- Fits the 1974 Plymouth Trailduster Base — Dana 44 front axle only
- Not for models equipped with the Cummins diesel engine
- Front and rear 4-inch lifted leaf springs; rear springs replace the factory block
- Includes two N3 shock pairs, Dana 44 steering block, U-bolts, bushing and sleeve kit, and hardware
- Listed install time: 6 - 8 hours. Shipping weight: 266 lb
- Wheel and tire chart runs from 33x12.50R15 to 35x12.50R22, with trimming noted on some combinations
The Trail Fortress check
Will it fit your truck?
✓ Fits
✕ 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. Fitment on this page is based on the manufacturer’s application data.
About this kit
4-Inch Lift Kit with N3 Shocks, fitment-checked
Rough Country 345.20 is a 4-inch lift kit for the 1974 Plymouth Trailduster, built around front and rear lifted leaf springs with two N3 shock pairs. The truck must have the Dana 44 front axle, and models with the Cummins diesel engine are not covered. The new rear springs take the place of the factory lift block.
This 4-inch lift kit for the 1974 Plymouth Trailduster works through the leaf springs rather than blocks — the supplied rear springs replace the factory-equipped block. Front hardware includes a Dana 44 steering block, so the front axle has to be the Dana 44; models with the Cummins diesel engine fall outside the fitment. The rest of the box covers two N3 shock pairs, a universal U-bolt kit, a spring bushing and sleeve kit, and an installation kit. Rough Country lists 6 - 8 hours for the job. Shipping weight: 266 lb. Confirm the axle before ordering.
What’s in the box
Kit contents
- 2× 4in Rear Leaf Spring 8034
- 1× Universal U-Bolt Kit 7604
- 1× Sprg. Bush & Slv Kit 6072
- 1× INSTALLATION KIT 7522
- 2× 4in Front Leaf Spring 8003
- 1× Steering Block 6603
- 1× N3 Shock Pair 23275
- 1× N3 Shock Pair 23276
Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 345.20 kit fits the vehicles shown in the fitment section above.
Specifications
Specs
| Brand | Rough Country |
| Part number | 345.20 |
| UPC / GTIN | 00843030126452 |
| Lift height | 4 in |
| Shock package | N3 series |
| Shipping weight | 266 lb |
| Category | Suspension & Lift Kits › Lift Kits |
Why buy here