Upgrading to a 4-inch lift is a popular choice for adding ground clearance and improved off-road capability. This guide highlights top 4-inch lift leaf springs from trusted brands, focusing on ride quality, durability, and compatibility with Jeep YJ models and similar platforms. Each option emphasizes solid steel construction, proper arch design, and included bushings or mounting hardware to simplify installation.
Summary of selected products:
| Product | Brand | Notes |
|---|---|---|
| Rough Country 4″ Rear Leaf Springs for 1987-1995 Jeep YJ | Rough Country | Rear kit, 8.5 in uncompressed arch, 41.25 in length |
| Rough Country 4″ Front Leaf Springs for 1987-1995 Jeep YJ | Rough Country | Front kit, same arch and length as rear |
| Zone Offroad ZONJ0400 Leaf Spring | ZONE OFFROAD | 4-inch lift option, versatile fit |
| Skyjacker C140S 4″ Softride Leaf Spring | Skyjacker | Progressive multileaf packs, reliable load |
| Rough Country 4″ Lift Kit for 87-95 Jeep Wrangler YJ | Rough Country | 4-inch overall lift with suspension components |
Rough Country 4″ Rear Leaf Springs for 1987-1995 Jeep YJ
Rough Country’s 4″ rear leaf springs for the 1987-1995 Jeep YJ series deliver a robust arch with an 8.5-inch uncompressed arch, a 41.25-inch overall length, and a 2.5-inch width. The kit lists a spring rate of 223.28 in-lb and includes bushings, ensuring a straightforward installation and improved rear stance. This setup targets jeepers seeking a balanced lift that maintains on-road manners while offering enhanced off-road traction and wheel travel. For owners prioritizing rear-end stability and durable steel construction, these springs are a solid option to pair with compatible front components from Rough Country or other brands.
Rough Country 4″ Front Leaf Springs for 1987-1995 Jeep YJ
The front leaf springs mirror the rear’s dimensions with an uncompressed arch of 8.5 inches and a total length of 41.25 inches, also 2.5 inches wide. Featuring a spring rate of 223.28 in-lb and included bushings, these front springs are designed to improve front-end stiffness and ride height without sacrificing ride quality. This configuration supports balanced handling, especially when paired with a matching rear kit or a complete Rough Country suspension upgrade. A good pick for Jeep YJ front-end performance gains.
Zone Offroad ZONJ0400 Leaf Spring
Zone Offroad’s ZONJ0400 leaf spring is designed to support four-inch lift applications with features associated with Zone Offroad’s technology and benefits—such as front and rear bumper relocation considerations, a fuel fill extension, and a radiator relocation included in the package. It is important to note notes about bumper relocation’s appearance-first purpose and that some configurations may require air intake modifications on certain engines. This option suits builders seeking a complete appearance and clearance upgrade with reliable, aftermarket spring steel.
Skyjacker C140S 4″ Softride Leaf Spring
Skyjacker’s C140S 4″ Softride leaf springs are built as progressive multileaf packs, designed to deliver increased load capacity while maintaining a ride closer to OE. Constructed from American steel, these springs are designed for durability and consistent performance across off-road and on-road conditions. They are compatible with a range of vehicles requiring a 4-inch lift and are a common choice for enthusiasts seeking reliable, predictable spring behavior during articulation and suspension travel.
Rough Country 4″ Lift Kit for 87-95 Jeep Wrangler YJ
This 4-inch lift kit from Rough Country provides a comprehensive upgrade path for 1987-1995 Jeep Wrangler YJ models. The kit emphasizes an enhanced ground clearance profile and improved on- and off-road performance through robust suspension components, including specialized shocks and complementary hardware. The kit is designed to deliver a harmonious lift experience, with an emphasis on maintaining a smooth, factory-like ride while lifting the front to match the rear stance.
Buying Guide: Key Purchase Considerations
- Vehicle compatibility: Verify model year, body style, and axle configuration (front vs rear) to ensure the springs fit correctly and maintain proper geometry.
- Spring rate and arch: A higher spring rate generally supports heavier loads and off-road use, while the arch influences ride height and articulation. Check uncompressed arch and overall length to match your vehicle setup.
- Front vs rear focus: Consider whether you need a full kit with both front and rear springs or separate components. Balanced lift typically yields the best handling and stance.
- Installation complexity: Some kits include bushings and hardware, others require additional components. Review included parts to estimate the install effort.
- Durability and materials: Look for steel quality, heat-treated components, and warranties. American-made springs often emphasize consistent performance and long-term durability.
- Ride quality vs off-road performance: Progressive or multi-leaf designs tend to offer a smoother ride on pavement while maintaining travel when off-road. Decide which balance suits your driving style.
- Aftermarket ecosystem: Consider compatibility with shocks, control arms, and steering components if you plan broader suspension upgrades.
- Return and support: Check return policies and customer support quality in case of fitment questions or warranty claims.
When selecting a 4-inch leaf-spring setup, align your goals with the vehicle’s usage—daily driving with occasional trail duty or dedicated off-road use—and consider a matching front-rear pairing to preserve handling and ride quality. This guide presents well-regarded options from Rough Country, Skyjacker, and Zone Offroad to cover a range of preferences and build scenarios.