EXCLUSIVE FEATURES: Metal to metal support for heavy shock loads and increased cross-sectional thickness for greater tensile strength
The spherical rod end enables "bind-free" operation
The polyurethane bushings outperform OEM rubber bushings
like BMR Suspension's SB030 or SB037
UMI's 2553 rear upper control arms are the high-performance way to stiffen the flimsy factory GM rear suspension on your 6th Gen Camaro
Spring, Cr-Si High Travel 2-1/2" Id 12" X 110 Lbs/In. Silver Pwdr Coat 1992-pontiac-firebird-esi4307584 EXCLUSIVE FEATURES: Metal to metalAvailable in 7", 9", 10", 12", 14" and 16" lengths, QA1 offers an assortment of high travel springs with a silver powder coated finish. Made in the USA, these 2" I. D. high travel springs are manufactured from specially designed high tensile, chrome silicon alloy spring wire, which allows them to have fewer coils and a smaller wire diameter. As a result, these springs are lighter and have increased travel due to the larger distance between the coils.