RSO Suspension 150310-405200B Rear Coil Springs Extra Heavy Duty 3in Lift Black E-Coated

The RSO Suspension 150310-405200B rear coil springs are engineered for Toyota 4Runner and FJ Cruiser owners who demand maximum load capacity and off-road capability. These extra heavy duty coil springs deliver a 3-inch lift while providing exceptional support for heavy loads with a robust 540 lbs/in spring rate.

Key Features:

• Extra heavy duty construction with 540 lbs/in spring rate for maximum load capacity
• 3-inch lift height enhances ground clearance and off-road capability
• Vehicle-specific fitment ensures direct replacement with no-hassle installation
• Optimized spring rates, wire diameters, and coil lengths for improved articulation and driving comfort
• Black E-coated finish provides superior weather and corrosion resistance
• Resolves sagging issues from heavy cargo, roof racks, and aftermarket accessories
• Improves both on-road comfort and off-road performance

What's Included: Set of 2 rear coil springs

Warranty: Limited lifetime warranty on structure and workmanship with 1-year warranty on finish and coating

Perfect for 4Runner and FJ Cruiser builds requiring serious load support without compromising ride quality. These springs are ideal for overlanding setups, daily drivers with heavy equipment, or vehicles with significant rear weight from bumpers, tire carriers, and gear.