Firestone Ride-Rite Coil-Rite Air Helper Spring Kit 4147 EKUCN00_366

Product details:

These air springs provide adjustable spring rates far superior to the standard coil spring. The durable polyurethane air springs will support 500-1,000 pounds per set. Coil-Rite air helper springs are made of durable polyurethane to withstand the rigors of coil-sprung suspensions. Each air spring is pressure tested before leaving the factory. Over 1/2 million cycle life test. Can be used on Pick-Ups (front), P-30 Motorhome (front), SUV's and cars. The Kit includes air springs, air line, fasteners, inflation valves (manual inflation), supports (if required), push-to-connect air fittings and detailed instructions.