SUPERSPRINGS SumoSprings SSR-209-40 Rear Suspension Helper Springs for 1999-2019 GM Full-Size Trucks

Upgrade rear suspension support with SUPERSPRINGS SumoSprings SSR-209-40 helper springs, designed for select 1999-2019 GM full-size trucks. This pair of OEM-style bump stops provides progressive load support while helping reduce suspension sag, body roll, and bottoming under heavier cargo or towing conditions. The bolt-on design uses the included hardware for a straightforward installation on compatible applications.
Constructed from durable polyurethane and finished in blue, these 40-durometer SumoSprings are engineered to provide consistent cushioning and load assistance without the maintenance requirements of air-based systems. With a 1,000-pound capacity, the SSR-209-40 helps improve ride control and rear-end stability while preserving the truck’s usable suspension travel. The 4-inch outside diameter and 5-inch height support dependable performance in demanding driving conditions without requiring an onboard compressor, air lines, or inflation adjustments.
These rear suspension helper springs are an effective replacement or upgrade for worn factory bump stops and are suitable for work trucks, towing vehicles, and daily drivers that need additional rear suspension support. Installation should be completed on a level surface using appropriate safety procedures, and vehicle compatibility should be verified before purchase. The SUPERSPRINGS SumoSprings SSR-209-40 set includes two polyurethane springs and mounting hardware for a complete rear-axle installation.

Features:

• Brand: SUPERSPRINGS

• Part Number: SSR-209-40

• Application: Rear suspension helper springs for select 1999-2019 GM full-size trucks

• Design: OEM-style bolt-on bump stop replacement

• Quantity: Pair

• Material: Durable polyurethane

• Spring Rate: 40 durometer

• Capacity: 1,000 pounds

• Outside Diameter: 4 inches

• Height: 5 inches

• Color: Blue

• Installation: Mounting hardware included

• Maintenance: No air lines, compressor, or inflation adjustments required