Spring Helper 3.0in ID 4.84in Tall

The Eibach Spring Helper 3.0in ID 4.84in Tall is a purpose-built coil spring auxiliary that strengthens your vehicle's suspension load capacity without replacing factory springs. Designed for mechanics and enthusiasts who tow, haul, or frequently carry heavy loads, this helper spring compensates for sagging under weight and restores ride height. Available for sale with a 23 lb/in spring rate, it's engineered to work alongside your existing suspension geometry to improve stability and handling during demanding conditions.

Constructed from high-tensile steel with a durable black powder-coat finish, this helper spring resists corrosion and maintains consistent performance through seasonal changes. The 3-inch inside diameter fits standard spring perches on most mid-size trucks and SUVs, while the 4.84-inch height integrates cleanly into OEM bracket spacing. At 1.075 lbs per unit, the light weight keeps unsprung mass minimal—critical for ride quality and brake performance. The 23 lb/in rate is calibrated to provide progressive support that engages only under load, avoiding harsh ride characteristics on empty suspension cycles.

This spring helper benefits truck owners, contractors, and off-road enthusiasts who need predictable suspension behavior during payload fluctuations. Installation pairs well with shock upgrades and stabilizer bars to maximize cornering control and reduce squat during acceleration. Verify your vehicle's spring perch diameter and available compression space before ordering; helper springs work best on platforms with factory coil suspensions and adequate clearance. Check compatibility with your specific year, make, and model to ensure fitment with existing suspension components.