QA1 GD401-10650A Pro-Coil Double Adjustable Front Coilover System GM Applications

The QA1 Precision Products GD401-10650A Pro-Coil System is a complete double-adjustable front coilover suspension kit designed for GM muscle car and classic truck applications. This comprehensive system combines QA1's high-performance "R" Series adjustable shocks with precision-engineered coil springs and all necessary mounting hardware for a bolt-in installation.

Complete Kit Includes:

• (2) "R" Series double-adjustable performance shocks with independent compression and rebound damping control
• (2) Chrome-plated, tapered pigtail coil springs (10-inch length, 650 lb/in rate) specifically engineered for this application
• Aluminum double-adjustable shock bodies for reduced weight and improved heat dissipation
• All required mounting hardware and components for complete installation
• Tapered pigtail spring design for optimal load distribution and precise suspension geometry

The double-adjustable design allows independent tuning of compression and rebound damping, giving you complete control over suspension response for street performance, autocross, or track use. The 10-inch spring length with 650 lb/in rate provides excellent ride quality while maintaining performance handling characteristics. QA1's aluminum shock construction reduces unsprung weight while the chrome-plated springs offer corrosion resistance and long-lasting durability.