QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 7" Tall - 450 lb. Helmet Visor Cleaner Duration 266 / 270

Duration 266 / 270

Available in red and blue anodized or nickel-plated finishes

86" on the diagonal

this kit adapts your late model Big Block Chevrolet engine to an adjustable valvetrain

This increased output will light up fuel mixtures even under extreme cylinder pressures

QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 7" Tall - 450 lb. Helmet Visor Cleaner Duration 266 / 270QA1 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. QA1 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