QA1 High Travel Coil-Over Spring Coil-Over 2.500" ID 9.000" Length - 250 lb/in Spring Rate 60 Degree Hose End velour fire-retardant cover and are

velour fire-retardant cover and are compatible with all Butler Built seats

Kit includes 4 mounting brackets and hardwareDerale has been the leader in performance cooling for decades

please visit the Manifold Reference Dimensions

Includes OEM Diff

Designed by Joe Petelle at HVH over 15 years ago for Cup engines

QA1 High Travel Coil-Over Spring Coil-Over 2.500" ID 9.000" Length - 250 lb/in Spring Rate 60 Degree Hose End velour fire-retardant cover and areQA1 offers an assortment of high travel springs, available in 7", 9", 10", 12", 14" and 16" lengths, with a silver powder coated finish. These springs are lighter and have increased travel due to the larger distance between the coils. 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. These