QA1 RCK52449 Rear Pro-Coil MOD-Adjustable Coilover Kit 1978-1988 GM G-Body 12" / 200 lb

The QA1 RCK52449 is a complete rear Pro-Coil coilover conversion kit designed for 1978–1988 GM G-Body vehicles. This bolt-on system replaces the factory rear suspension with a performance coilover setup, giving you precise control over ride height and handling characteristics.

Featuring QA1's MOD Series adjustability, each shock absorber offers multiple rebound and compression damping settings, allowing the driver or tuner to dial in the ideal ride quality and cornering performance for street or strip use. The Pro-Coil design combines the shock and spring into a single compact assembly, reducing unsprung weight and improving suspension response.

Kit Includes:

• Two (2) MOD Series rear shock absorbers
• Two (2) 12-inch coilover springs rated at 200 lb/in spring rate
• All necessary mounting hardware and brackets for a complete installation

Key Features:

• MOD Series multi-adjustable damping for customizable ride and handling
• 12" spring length with a 200 lb/in spring rate for performance street use
• Includes all mounting brackets and hardware — no additional parts required
• Bolt-on installation designed specifically for 1978–1988 GM G-Body platforms
• Coilover design allows ride height adjustment via spring perch
• QA1 USA-engineered precision construction for durability and consistent performance

The QA1 RCK52449 Pro-Coil rear kit is an ideal upgrade for Malibu, Monte Carlo, El Camino, Cutlass, Grand Prix, Regal, and other G-Body enthusiasts looking to modernize their suspension with adjustable, high-performance componentry.