Description

️ UMI Performance Stage 2.5 Handling Kits – The Ultimate Street & Track Suspension Upgrade!

Upgrade your classic GM vehicle’s ride, handling, and stance with the UMI Performance Stage 2.5 Handling Kit! Designed to combine track-worthy performance with street-friendly comfort, this kit includes Viking coilovers for adjustable ride height and shock tuning, along with race-quality components to maximize stability and cornering precision.

✔ Adjustable ride height from stock to 2” drop
✔ Double adjustable Viking coilovers for fine-tuned handling
✔ High-quality tubular control arms for improved strength & stability
✔ Massive front & rear sway bars to reduce body roll

What’s Included in the Kit?

✔ Tubular Lower Front A-Arms – With polyurethane bushings for strength & flex reduction
✔ Upper Front A-Arms – Featuring Delrin bushings & tall ball joints for improved caster/camber settings
✔ Viking Double Adjustable Coilovers – Precision height & damping control
✔ Heavy-Duty Front Sway Bar – Includes new bushings & endlinks
✔ Solid Rear Sway Bar – Heat-treated for maximum performance
✔ Tubular Rear Lower & Upper Control Arms – Equipped with polyurethane bushings
✔ Tubular Frame Braces – Reinforces chassis rigidity & stability
✔ Replacement Rear End Housing Bushings – Ensures long-lasting, noise-free operation
✔ Front & Rear Control Arm Race-Quality Hardware Kit – Everything needed for a secure installation
✔ UMI Bolt-On Rear Coilover Kit – Designed specifically for GM axle housings
✔ Thrust Bearing Kit & Spanner Wrench Kit – For coilover adjustability & easy tuning

NOTE: Rear coilover kit fits GM axle housing only—aftermarket axle housing fitment not guaranteed.

Technical Specifications

Perfect for Street, AutoX, & Pro-Touring Applications!

❓ Frequently Asked Questions (FAQ)

Can I install this kit myself?

• Yes! This kit is bolt-on and comes with all necessary hardware. A basic mechanical knowledge and tools will be needed for installation.

How much can I lower my car with this kit?

• The Viking coilovers allow adjustable ride height from stock to 2 inches below factory height.

Is this kit suitable for daily driving?

• Absolutely! The combination of adjustable damping, high-performance sway bars, and quality bushings makes this kit ideal for both daily driving and spirited performance driving.

Will this fit aftermarket axle housings?

• The rear coilover kit is designed for GM axle housings only. Aftermarket housings may require modifications.

Call to Action – Upgrade Your Suspension Today!

Turn your GM vehicle into a handling beast with the UMI Performance Stage 2.5 Handling Kit!

✔ Adjustable Ride Height & Damping for Ultimate Control
✔ Stronger, Stiffer Suspension Components for Maximum Stability
✔ Heavy-Duty Sway Bars & Control Arms for Sharp Cornering
✔ Easy Bolt-On Installation – No Welding Required!

ORDER NOW & EXPERIENCE A WHOLE NEW LEVEL OF PERFORMANCE!

Overview

Brand:
UMI Performance
Manufacturer’s Part Number:
GBF025-R
Part Type:
Suspension Handling Packages
Product Line:
UMI Performance Stage 2.5 Handling Kits
Summit Racing Part Number:
UPI-GBF025-R
Front Coil Springs Included:
Yes
Rear Coil Springs Included:
Yes
Rear Leaf Springs Included:
No
Front Shocks/Struts Included:
No
Front Shock Type:
Double adjustable coilover
Rear Shocks/Struts Included:
Yes
Rear Shock Type:
Double adjustable coilover
Front Sway Bar Included:
Yes
Front Sway Bar Color:
Red
Front Sway Bar Type:
Solid
Front Sway Bar Diameter (in.):
1.250 in.
Front Sway Bar Diameter (mm):
31.75 mm
Rear Sway Bar Included:
Yes
Rear Sway Bar Color:
Red
Rear Sway Bar Type:
Solid
Rear Sway Bar Diameter (in.):
1.000 in.
Rear Sway Bar Diameter (mm):
25.40 mm
Tie Rod Sleeves Included:
No
End Link Bushings Included:
Yes
Rear Leaf Spring Bushings Included:
No
Sway Bar Bushings Included:
Yes
Upper Trailing Arms Included:
Yes
Lower Trailing Arms Included:
Yes
Trailing Arm Mount Braces Included:
Yes
Panhard Bar Included:
No
Torque Arm Included:
No
Upper Control Arms Included:
Yes
Lower Control Arms Included:
Yes
Control Arm Style:
Tubular
Control Arm Material:
Steel
Control Arm Color:
Red
Front Strut Tower Bar Included:
No
K-Member Included:
No
K-Member Support Brace Included:
No
Rear Strut Tower Bar Included:
No
Subframe Connectors Included:
No
Chassis Stiffener Included:
No
Calipers Included:
No
Rotors Included:
No
Brake Pads Included:
No
Brake Lines Included:
No
Wheel Studs Included:
No
Center Link Included:
No
Spindles Included:
No
Inner Tie Rod Ends Included:
No
Outer Tie Rod Ends Included:
No
Bushing Material:
Polyurethane/Delrin®
Bushing Color:
Red
Mounting Hardware Included:
Yes
Quantity:
Sold as a kit.