QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 14" Tall - 300 lb. Bead Breaker This allows the PN 8558

This allows the PN 8558 to fit in most tall block engines that have had the deck height modified

36 in Stud

such as full bred race engines running high boost pressures from turbos

Standard Phantom

High Beam Relay

QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 14" Tall - 300 lb. Bead Breaker This allows the PN 8558QA1 has engineered a complete line of coil over springs to complement its line of shock absorbers and struts. Each spring has been designed to be as light as possible without sacrificing performance, withstand the loads of today's racing suspensions and outperform the competition at an affordable price. 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