Superpro - SPF5578K
Coil Spring Upper Bush Kit - Gladiator 2020-on JT
SuperPro's coil spring insulators offer supreme durability and consistent performance. Without the degradation over time that plagues rubber insulators SuperPro’s bespoke polyurethane compounds offer proper spring location and retention for the life of your vehicle. No sag, no softening, just predictable and permanent suspension solutions.
