QA1 Single-Adjustable 4-Link Kit W/ 9” Housing Mustang 1964-1966

This kit (R123-130S) upgrades the handling capabilities and performance of your vintage 1964-1966 Mustang. It uses a premium triangulated 4-link system to improve traction and stability. The single-adjustable coil-overs allow you to fine-tune your ride for comfort and cornering. Ride height adjustability from factory level to 3” helps you dial in the perfect stance, while self-fixturing weld-in brackets ensure proper geometry during installation. The built-in jack pad offers hassle-free lifting.

Features and Benefits:
- Complete system with 9" housing, triangulated 4-link, and coil-overs
- Single-adjustable shocks for precise compression and rebound tuning
- Eliminates axle wrap and wheel hop for improved traction
- 9" housing rated to 800 horsepower
- Integrated drain, fill, and vent ports
- 31-spline 1541H alloy axles rated to 650 horsepower
- Heavy-duty 3" OD, 1/4” wall tubes
- 5x4.5" bolt pattern fits popular aftermarket wheels
- Big Ford Torino-style flanges for brake compatibility
- Built-in jack pad for quick lifting
- Adjustable ride height from 0-3”
- Self-fixturing weld-in brackets for correct geometry

Vehicle Fitment:
- 1964-1966 Mustangs