Profile: Deaver Spring Mfg. Co. specializes in suspension work on cars, trucks and recreation vehicles. We have shock absorbers, shackles, bushings, spring center pins and degree shims and our progressive series springs are high quality 9-leaf and 10-leaf units fabricated with high grade 5160 american made steel. We also have progressive 4" and 6" lift rear leaf springs, spherical bushing adapter for leaf spring eyes and Tundra rear spring. We manufacture nonwire steel springs.