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QA1’s Pro Coil front system for 1964–1966 Mustangs includes 10" springs rated 450 lb/in and single-adjustable shocks with 18 settings of combined rebound/compression control. The kit supports ride-height adjustment from factory down to 2" lower and installs as a bolt-in upgrade without welding. Powder-coated springs and premium hardware are included, and the system is designed for application-specific fit with QA1 tubular control arms and sway bars.
QA1 64-66 Ford Mustang Pro Front Coil-Over System - Single Adj. - 10in x 450lbs/in - Aluminum
