The QA1 Pro Coil front kit for 1967–1973 Mustangs features 10" springs rated 500 lb/in, tailored for heavier big-block applications, and single-adjustable shocks with 18 combined rebound/compression settings. Fully threaded bodies allow ride-height adjustment down to 2" lower, and the kit bolts in without welding. Powder-coated springs and premium hardware are included to handle increased loads while maintaining ride quality and stance control.
QA1 67-73 Ford Mustang Pro Front Coil-Over System - Single Adj. - 10in x 500lbs/in - Aluminum