QA1 High Travel Coil-Over Spring - 2.500" ID - 10.000" Length - 150 lb/in Spring Rate - Black Powder Coat 21411 1978-1988 Pontiac Grand Prix

1978-1988 Pontiac Grand Prix

Seat comes with bolt on rib braces and a welded interior head rest plate for additional strength

Valley Cover Bolt Kit

Adjustable Thermoplastic Rubber (TPR) wrist closures create a secure fit

Pro Stock Regulator 4-PortAeromotive Inc

QA1 High Travel Coil-Over Spring - 2.500" ID - 10.000" Length - 150 lb/in Spring Rate - Black Powder Coat 21411 1978-1988 Pontiac Grand PrixQA1 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