SAE Viscosity Grade (Motor Oil) 20W60
offering a balanced mix of ride quality and improved performance
The lower control arms are of fixed length and help center the rear end in the wheel wells
Vortex Rok TT and similar engines
along with the small tire and high horsepower drag race customers
Spring, Cr-Si High Travel 2-1/2" Id 10" X 100 Lbs/In. Silver Pwdr Coat 1991-pontiac-firebird-esi6483971 SAE Viscosity Grade (Motor Oil)Available 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.