UMI Performance A205-550T Coilover Adjustable Spring Lowering Kit with Double Adjustable Shocks

The UMI Performance A205-550T is a complete front coilover kit designed for 1964-1970 GM A-Body and B-Body vehicles, combining high-quality hybrid coil springs with Viking's 19-way double adjustable shocks. This system allows you to dial in the perfect suspension setup for street cruising, drag racing, or road course performance while offering ride height adjustment from factory to 3 inches of lowering.

Key Features:

• 19-Way Adjustable Shocks: Independent compression and rebound adjusters provide 361 possible damping combinations for custom tuning to any driving style
• Multiple Spring Rate Options: Choose from 250lb, 350lb, 450lb, or 550lb spring rates to match your engine combination and intended use
• USA-Made Hybrid Springs: Premium coil springs with brilliant protective finish for long-lasting appearance
• Adjustable Ride Height: Integrated adjuster eliminates need for spring compressor and allows easy height changes while mounted
• Included Spanner Wrench & Thrust Bearing Kit: Spanner wrench enables height adjustment with shock installed; thrust bearing kit reduces friction between spring and seat for easier adjustments
• Polyurethane Shock Mounts: Lower attachment points provide balance of comfort and performance for street applications
• Built and Dyno Tested in USA: Every shock is individually built, dyno tested, and serialized in Lakeville, Minnesota
• Rebuildable Shocks: Can be serviced at Viking or authorized Viking rebuild centers for long-term value

Spring Rate Guide:

• 250lb: Drag race only (requires serious weight reduction, 11-inch tall springs)
• 350lb: Small block cruise or drag race with weight reduction
• 450lb: Small block cruise, big block drag race
• 550lb: Small block handling applications, all big blocks except drag racing

What's Included:

• (2) Front coilover shocks with double adjustable damping
• (2) Front hybrid coil springs in your chosen spring rate
• Spanner wrench tool for height adjustment
• Thrust bearing kit for easier spring seat rotation
• Polyurethane lower shock mounts

This coilover system works with factory lower control arms or UMI's upgraded lower A-arms, and pairs perfectly with UMI's geometry-corrected upper A-arms for maximum performance. The integrated adjuster design eliminates the need for dangerous spring compressor tools during installation and adjustment. Note that performance suspension components may produce different feel and sound characteristics compared to factory rubber-mounted parts.