QA1 ALN12150K-1 Pro Rear Coilover Conversion Kit Non-Adjustable Aluma Matic 150 lb/in 3.25in Axle

The QA1 ALN12150K-1 is a Pro Rear Coilover Conversion Kit built around QA1's Aluma Matic non-adjustable shock absorber. Designed for builders who want a premium ride quality without the complexity of adjustable valving, this kit converts a stock rear suspension to a coilover setup and is engineered for 3.25-inch diameter axle tubes. All components are manufactured in the USA at QA1's Lakeville, Minnesota facility.

Key Features:

• Aluma Matic Non-Adjustable Shock: Ride-sensitive, non-adjustable valving delivers a dialed-in street performance feel without manual tuning
• Lightweight Aluminum Body: Reduces unsprung weight for improved handling response
• 150 lb/in Spring Rate: 12-inch coilover spring included, tuned for street performance applications
• 3.25-Inch Axle Tube Compatibility: Purpose-built mounting hardware fits 3.25-inch diameter rear axle tubes
• USA-Made Mounting Brackets: Specially designed brackets included for a clean, secure installation
• Precision Machined Aluminum Piston with PTFE Piston Band: Provides consistent, smooth damping performance
• 15mm Centerless Ground, Hard Chrome Plated Solid Piston Rod: Built for durability and corrosion resistance
• Three-Step Sealing System: Helps prevent fluid leaks and extends shock life
• 100% Dyno Tested and Serialized: Every shock is tested before leaving the factory and individually serialized for quality tracking
• Revalveable and Rebuildable: Can be serviced by QA1 Factory or authorized service centers, extending the usable life of the kit

What's Included:

• (2) Aluma Matic non-adjustable coilover shocks
• (2) 12-inch, 150 lb/in coilover springs
• USA-made mounting brackets
• All necessary hardware

QA1's rear coilover conversion kits are sold as a complete kit with everything needed for installation, making them a straightforward upgrade for custom builds, street rods, and performance vehicles running 3.25-inch axle tubes.