QA1 High Travel Coil-Over Spring - 2.500" ID - 10.000" Length - 300 lb/in Spring Rate - Black Powder Coat 200410106 Different advance springs and stop

Different advance springs and stop bushings are supplied so you can easily tune a curve to match your needs

Rocker arm studs & guide plates are not included with bare versions of E-Street cylinder heads

3/8" shaft

1968-1974 Dodge M300

2000-2003 Ford F750

QA1 High Travel Coil-Over Spring - 2.500" ID - 10.000" Length - 300 lb/in Spring Rate - Black Powder Coat 200410106 Different advance springs and stopQA1 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