Spring, Cr-Si High Travel 2-1/2" Id, 12" X 150 Lbs/In. Black Pwdr Coat 1983-pontiac-firebird-esi2278290 piston rod for use in

piston rod for use in QA1 large body shocks with bearing mounts

The installed UMI Roto-Joint allows rear end free movement when high handling

this leads to traction lose

They greatly improve your car's handling ability while reducing t-top squeaks

Spring, Cr-Si High Travel 2-1/2" Id, 12" X 150 Lbs/In. Black Pwdr Coat 1983-pontiac-firebird-esi2278290 piston rod for use inQA1 offers an assortment of high travel springs with a black 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. These lighter springs reduce unsprung weight and