QA1 GS507-11250C GM Pro-Coil Aluminum Single-Adjustable Front Coilover Shock Kit 11" 250lb Spring

The QA1 GS507-11250C is a GM Pro-Coil Front Single-Adjustable Coilover Shock Kit designed for stock-mount applications. Built around a precision-machined aluminum shock body, this kit delivers improved handling and ride quality over factory suspension components, with the added benefit of on-the-fly rebound adjustability.

Key Features:

• Single-adjustable aluminum shock absorber with external rebound adjustment knob (S-Adj)
• Compressed length: 9.63 inches
• Extended length: 14.5 inches
• Includes 11-inch coilover spring rated at 250 lb/in
• Tapered flat large spring seat configuration for secure spring retention
• Stock-mount design for straightforward installation in OEM shock locations
• Lightweight aluminum construction reduces unsprung weight for improved response
• Compatible with GM performance street and track applications

This Pro-Coil kit from QA1 provides a complete front suspension upgrade in a single package. The included 250 lb/in spring pairs with the single-adjustable shock to give tuners a versatile baseline for street performance or mild track use. QA1's Pro-Coil line is engineered in the USA to meet the demands of enthusiasts who want a meaningful suspension improvement without full custom fabrication.