UMI Performance 64015-R Stage 1.5 Suspension Handling Kit with Viking Shocks & Sway Bars

The UMI Performance 64015-R Stage 1.5 Handling Kit is a comprehensive suspension upgrade engineered and made in the USA to deliver exceptional ride quality and handling balance. Proven on Power Tour events and daily driving alike, this kit combines a heavy-duty tubular front sway bar, a three-way adjustable rear sway bar, and double-adjustable Viking shocks into one complete solution. It is compatible with stock-height trucks and works with lowered trucks when the UMI P/N 6411 rear shock relocation bracket is added.

Key Features:

• Made in the USA
• Double-adjustable Viking shocks included — 19 positions in both compression and rebound (361 total combinations) for precise tuning across street, drag, and corner-carving applications
• 1-3/8" tubular front sway bar for heavy-duty sway control
• 1" solid three-way adjustable rear sway bar for fine-tuned handling balance
• Compatible with stock ride height trucks; works with lowered trucks when UMI P/N 6411 rear shock relocation is added
• Power Tour and daily driver proven
• Minor drilling required for installation

Shock Specifications:

• Front Shock Extended Length: 14.240"
• Front Shock Collapsed Length: 10.040"
• Front Shock Ride Height Range: 11-5/8" to 12-5/8"
• Rear Shock Extended Length: 21.360"
• Rear Shock Collapsed Length: 13.610"
• Rear Shock Ride Height Range: 16-5/8" to 18-3/8"

The UMI Performance 64015-R Stage 1.5 kit strikes the ideal balance between comfort and performance, making it an excellent upgrade for truck owners seeking improved cornering, reduced body roll, and a more responsive ride without sacrificing everyday drivability.