QA1 High Travel Coil-Over Spring - 2.500" ID - 12.000" Length - 450 lb/in Spring Rate - Black Powder Coat Car & Truck Covers The helmet restraint adjusts easily

The helmet restraint adjusts easily

1958-1964 Chevrolet Biscayne

These fully polished twin exit stainless steel tips feature a double-wall construction

6 AN Thread

1977-1986 Pontiac Bonneville

QA1 High Travel Coil-Over Spring - 2.500" ID - 12.000" Length - 450 lb/in Spring Rate - Black Powder Coat Car & Truck Covers The helmet restraint adjusts easilyQA1 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