QA1 HD03-14150 Proma Star Double Adjustable Coilover Strut Kit 150lb Spring Rate

The QA1 HD03-14150 Proma Star Coilover Strut Kit is engineered to deliver exceptional performance for 1994-2004 Mustang owners who demand precision suspension tuning. This complete kit features double-adjustable coilover struts with a 150 lb/in spring rate, specifically optimized for drag racing and street performance applications.

Inverted Strut Design:

The Proma Star features an advanced inverted cartridge design with a large diameter shaft that resists side loading during hard cornering and braking. The lightweight threaded aluminum body significantly reduces unsprung weight, improving suspension responsiveness and delivering better handling and traction on any surface.

Double-Adjustable Performance:

Independent compression and rebound adjustment provides the ultimate in suspension tuning flexibility. With 18 externally adjustable valve settings accessible under the hood, you can fine-tune your Mustang's handling characteristics for any driving condition—from street cruising to quarter-mile runs.

Key Features:

• Complete kit includes pair of struts, 150 lb/in springs, aluminum caster camber plates, and all mounting hardware
• Adjustable ride height from stock to 2 inches lower for perfect stance and corner balancing
• 18-position adjustment knobs at strut tower for easy tuning access
• Bright anodized aluminum body with PTFE-lined bearings
• 5/8-inch centerless-ground chrome piston rod with aerospace-grade seals
• Lightweight aluminum caster camber plates with precision adjustment capability
• Bolt-in installation using factory mounting locations—no modifications required
• 100% dyno tested, serialized, and serviceable by QA1 authorized centers
• Proudly made in Lakeville, Minnesota USA

This kit provides the ideal balance of street comfort and track performance, allowing you to dial in your suspension for optimal grip, stance, and handling characteristics.