QA1 GM Pro Front Coil-Over System - Single Adjustable - 10in 450lb/in - Flat Large - Select 1958-1996 Chevrolet/Ford/Mercury (GS507-10450C)

Fits select 1958-1996 Chevrolet (Bel Air, Biscayne, Caprice, Impala), Ford (Galaxie), and Mercury (Monterey, Marauder, Meteor) models. This QA1 GM Pro Coil-Over System (MPN: GS507-10450C) provides a direct-fit solution for drivers seeking to modernize their front suspension with adjustable ride height and valving control.

The system features single-adjustable billet aluminum shocks, allowing you to simultaneously tune compression and rebound settings with a single knob. The included 10-inch high-travel springs utilize a 450lb/in rate, designed with fewer coils and a smaller wire diameter to maximize suspension travel while reducing unsprung weight. This combination enables up to 2 inches of ride height adjustment, allowing you to dial in the perfect stance or optimize weight balance for better handling.

• Single Adjustable Valving: Adjust rebound and compression simultaneously for balanced ride quality.
• Billet Aluminum Construction: Lightweight, durable, and 100% dyno tested and serialized.
• High-Travel Springs: American-made springs designed for increased travel and faster reaction times.
• Ride Height Adjustable: Threaded shock bodies allow for up to 2 inches of height adjustment.
• Easy Installation: Bolt-in design compatible with factory or QA1 tubular control arms.
• Serviceable Design: Fully rebuildable by QA1 authorized service centers for long-term reliability.
• Included Hardware: Sold in pairs with a limited lifetime warranty.