SumoSprings Rear Helper Springs for Chevy Express and GMC Savanna Vans

Rear SumoSprings or helper springs for Chevy Express and GMC Savanna vans , 2500 and 3500 Great for contractor vans, RV conversions or any loaded van. Sold in pairs. SumoSprings are a micro cellular urethane product designed to help reduce rear-end sag and stabilize sway. They are a progressive spring with a very soft initial engagement. That means that as more weight is added, the harder they get and more they push back, providing support and control when you need it without affecting the factory ride when unloaded. Easy installation with no leaks and no maintenance. The Express and Savanna SumoSprings mount into the factory bump stop location. No modifications or drilling are needed. Never Exceed Gross Vehicle Weight Rating. Product capacity is 1000 lbs at 50% compression for the light duty material - blue Product capacity is 1500 lbs at 50% compression for the medium duty material - black Product capacity is 2800 lbs at 50% compression for the heavy duty material - yellow Read all manufacturers recommendations and warnings All warranties are manufacturers' warranties Never Exceed Gross Vehicle Weight Rating Clear instructions are included, and full tech support is always offered. Call anytime with questions or orders 971-678-5940. WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov