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UMI Performance Stage 4 Handling Kits GBF005-2-B

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Parts & Accessories

UMI Performance Stage 4 Handling Kits GBF005-2-B

SKU 1fb043b5be1f

Car Chassis & Suspension Kits

$2,136.31

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Warranty

No warranty

Commercial use may carry a shorter period than pleasure use.

Warranty terms
Freight

Freight — oversize — from $349. Ships in 1–3 business days, 3–10 business days in transit.

Freight damage must be noted on the delivery receipt and reported within 48 hours of delivery.

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Returns

30-day return window · 25% restocking fee plus freight both ways.

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Catalogue data

Specification

3 fields

Part number
1fb043b5be1f
Department
Parts & Accessories
Category
Car Chassis & Suspension Kits

In the seller's words

Description

UMI Performance Stage 4 Handling Kit – Ultimate Pro-Touring Suspension!

The UMI Performance Stage 4 Handling Kit is designed for drivers who demand the best in suspension performance. Whether you’re looking to dominate at the track or enjoy a responsive, planted feel on the street, this kit delivers. With tubular control arms, Viking’s 361-position adjustable hybrid coilovers, and front & rear solid sway bars, this package offers unmatched adjustability, precise steering feel, and high-speed stability.

Perfect for Pro-Touring, Street Performance, & Competitive Racing!

What’s Included in the Kit?

✅ Tubular Upper & Lower A-Arms – Improves rigidity, reduces weight, and enhances alignment adjustability
✅ Front Hybrid Coilovers with 361-Position Double Adjustable Shocks – Dial in ride height, rebound, & compression for ultimate handling
✅ Rear Adjustable Roto-Joint Upper Control Arms – Eliminates binding while offering full articulation
✅ Tubular Lower Trailing Arms – Strengthens the rear suspension for better traction
✅ Front Solid Chromoly Sway Bar (1.25″ Diameter) – Reduces body roll & increases cornering grip
✅ Rear Solid Tubular Pro-Tour Sway Bar (1.00″ Diameter) – Balances rear traction & handling response
✅ Rear Adjustable Frame Braces – Provides chassis reinforcement for improved stability
✅ High-Quality Delrin Bushings – Ensures smooth articulation with long-lasting durability
✅ Complete Hardware & Installation Components – No guesswork, all necessary parts included

Upgrade your suspension & unlock the full potential of your ride!

Technical Specifications

Feature Details
MFG. Part # GBF005-2-B
Brand UMI Performance
Vehicle Compatibility Classic Muscle Cars & Performance Builds
Front Coil Springs Included Yes
Rear Coil Springs Included Yes
Front Shock Type 361-Position Adjustable Monotube
Rear Shock Type 361-Position Adjustable Monotube
Front Sway Bar Yes (Solid, 1.25″ Diameter)
Rear Sway Bar Yes (Solid, 1.00″ Diameter)
Upper Trailing Arms Yes (Adjustable)
Lower Trailing Arms Yes
Trailing Arm Mount Braces Yes
Panhard Bar No
Torque Arm No
Upper Control Arms Yes (Tubular Steel)
Lower Control Arms Yes (Tubular Steel)
Control Arm Color Black
Bushing Material Delrin®
Bushing Color Black
Spring Rate (Front) 550 lbs./in.
Mounting Hardware Included Yes
Quantity Sold as a Kit

Engineered for top-tier performance without sacrificing street comfort!

Fitment & Compatibility

✔ Designed for Classic Muscle Cars & Pro-Touring Builds
✔ Direct Bolt-On Installation with No Major Modifications Required
✔ Optimized for Small Block & LS-Powered Vehicles

A must-have suspension system for aggressive drivers & track enthusiasts!

Installation Notes & Tips

Professional Installation Recommended

  • Includes fully adjustable suspension components for precise tuning
  • Requires proper alignment after installation
  • Works seamlessly with aftermarket performance wheels & tires

Fine-tune your ride for ultimate cornering ability & track domination!

❓ Frequently Asked Questions (FAQ)

How does this kit improve my car’s performance?

  • This Stage 4 Handling Kit offers full adjustability, allowing you to fine-tune ride height, compression, and rebound damping for the best possible handling and comfort.

Can I install this kit on a street-driven car?

  • Absolutely! While it’s track-capable, the adjustable coilovers & bushings provide excellent street comfort when dialed in correctly.

What makes this better than stock suspension?

  • The stronger tubular control arms, double-adjustable coilovers, and solid sway bars provide better chassis stability, cornering grip, and reduced body roll, making it a superior alternative to factory suspension.

Is this kit compatible with my stock steering setup?

  • Yes, this kit works with OEM-style steering systems, but upgrading to a performance steering box or rack & pinion setup can further enhance your handling.

Do I need an aftermarket subframe for this kit?

  • No, this bolt-on kit fits factory subframes, making it a great solution for classic muscle cars.

Call to Action – Upgrade Your Suspension Today!

Turn your classic ride into a corner-carving monster with UMI Performance Stage 4 Handling Kits!

✔ Fully Adjustable Coilovers for Maximum Control
✔ High-Performance Sway Bars & Control Arms
✔ Delrin Bushings for Precise Steering Feel
✔ Optimized for Street & Track Performance

Order Now & Elevate Your Driving Experience!

Overview

Brand:
UMI Performance
Manufacturer’s Part Number:
GBF005-2-B
Part Type:
Suspension Handling Packages
Product Line:
UMI Performance Stage 4 Handling Kits
Summit Racing Part Number:
UPI-GBF005-2-B
Front Coil Springs Included:
Yes
Rear Coil Springs Included:
Yes
Rear Leaf Springs Included:
No
Front Shocks/Struts Included:
Yes
Front Shock Type:
361-position adjustable monotube
Rear Shocks/Struts Included:
Yes
Rear Shock Type:
361-position adjustable monotube
Front Sway Bar Included:
Yes
Front Sway Bar Color:
Black
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:
Black
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:
Black
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:
Delrin®
Bushing Color:
Black
Mounting Hardware Included:
Yes
Quantity:
Sold as a kit.
Notes:
550 lbs./in. front springs.

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