Suspension Helper Springs 1500 lb Capacity. 1500 (lb) Capacity at 50% Compression. Capacity: 1500. They are maintenance-free, do not leak air, and do not require airlines or compressors. They are manufactured from proprietary closed micro-cellular urethane providing a smooth and progressive spring rate with superior damping properties.
Highly recommend for pulling a trailer with heavy tongue weight
Completely eliminated the sag on my truck when hooked up to/ and pulling my Toyhauler. Ride is still very good when driving without a load, maybe even better than stock!