QA1 M521CL MOD Series Double Adjustable Remote Reservoir Coil-Over Shock

The QA1 M521CL is a high-performance MOD Series double adjustable coil-over shock featuring remote reservoir configuration for maximum adjustability and performance. Designed for demanding drag race and pro-touring applications, this shock delivers unprecedented tunability through QA1's innovative QuickTune Technology.

Key Features:

• QuickTune Technology allows modular valve packs to be swapped without removing shock from vehicle or opening oil path
• Double adjustable design with adjustable low-speed bleed for independent compression and rebound control
• Remote nitrogen-charged canister configuration for installation flexibility in tight spaces
• Indexable base eyelet can be repositioned for optimal shock and canister placement
• Medium compression and rebound valve packs included; soft and firm packs available separately
• Threaded aluminum body for precise ride height adjustment
• Left-hand thread bearing mount design
• 100% dyno tested and serialized for quality assurance

Each QA1 MOD Series shock is proudly manufactured in Lakeville, Minnesota and engineered to transform how racers respond to changing track conditions. The expansive force curve capability combined with tool-free valve pack changes makes this shock ideal for racers and enthusiasts who demand maximum performance and adjustability.