QA1 GS507-10600C Pro Coil Front Coilover System Single Adjustable GM 600lb Springs

The QA1 GS507-10600C Pro Coil System is a complete front coilover conversion kit designed to replace factory shocks and springs on GM applications. This system is specifically designed to fit applications with big block engines, offering a bolt-in solution that maintains stock control arm configuration while delivering superior adjustability and performance.

Key Features:

• Single adjustable Pro Series GS507 aluminum coilover shocks with 18 valving options providing simultaneous compression and rebound adjustment on one knob
• 10-inch tapered springs with large diameter, flat upper end style (600 lb/in spring rate)
• Fully threaded shock body allows ride height adjustment for perfect stance and weight balance
• Lightweight billet aluminum construction, 100% dyno tested and serialized, Made in the USA
• Stud type upper mount and T-bar type lower mount for stock mounting locations
• Complete kit includes mounting hardware for easy installation

This system delivers the soft comfortable ride you want when cruising and the firm handling you'd expect from a more modern sports car. The American-made lightweight high travel springs feature fewer coils and smaller wire diameter, resulting in increased travel and reduced unsprung weight for optimized suspension performance. Shocks are serviceable and rebuildable by QA1 Authorized Service Centers.