Description
UMI Performance Stage 2.5 Handling Kit – High-Performance Suspension Upgrade!
The UMI Performance Stage 2.5 Handling Kit (ABF804-1-B) is engineered for GM vehicles, blending adjustable coilovers with race-inspired control arms, sway bars, and frame braces. This kit provides exceptional handling, ride quality, and stance adjustability, making it ideal for pro-touring, autocross, or street performance builds.
Designed for GM vehicles with stock GM axle housings – aftermarket axle compatibility is not guaranteed.
Perfect for drivers who want to fine-tune their suspension for aggressive cornering, improved stability, and a smooth ride!
What’s Included in the Kit?
✅ Viking Adjustable Coilovers (Front & Rear) – 19 Compression & Rebound Settings for complete tuning flexibility
✅ Tubular Lower Front A-Arms with Polyurethane Bushings – Stronger and lighter than OEM
✅ Upper Front A-Arms with Delrin Bushings & Tall Ball Joints – Enhances steering response and suspension geometry
✅ Heavy-Duty Front Sway Bar (1.25” Diameter) – Reduces body roll for better cornering stability
✅ Solid Rear Sway Bar (1.00” Diameter) – Keeps the rear planted for sharper handling
✅ Tubular Rear Lower Control Arms with Polyurethane Bushings – Increases stability under acceleration & braking
✅ Tubular Rear Upper Control Arms with Polyurethane Bushings – Reduces wheel hop & improves traction
✅ Tubular Frame Braces with Hardware – Reinforces chassis rigidity for better response
✅ Replacement Rear End Housing Bushings – Provides durability & reduces deflection
✅ UMI Bolt-On Rear Coilover Kit – Allows full suspension adjustability
✅ Thrust Bearing Kit (x2) & Spanner Wrench Kit – For precise suspension tuning & adjustments
Upgrade your GM vehicle’s suspension with race-inspired precision and street-friendly comfort!
Technical Specifications
| Feature | Details |
|---|---|
| Brand | UMI Performance |
| Manufacturer Part # | ABF804-1-B |
| Product Type | Suspension Handling Package |
| Front Coil Springs Included? | ✅ Yes |
| Rear Coil Springs Included? | ✅ Yes |
| Front Shocks Included? | ✅ Yes (Adjustable Coilover) |
| Rear Shocks Included? | ✅ Yes (Adjustable Coilover) |
| Ride Height Adjustment? | ✅ Yes (Stock to -2”) |
| Front Sway Bar Diameter | 1.250” (31.75mm) |
| Rear Sway Bar Diameter | 1.000” (25.40mm) |
| Upper Control Arms Included? | ✅ Yes (Tubular) |
| Lower Control Arms Included? | ✅ Yes (Tubular) |
| Bushing Material | Polyurethane & Delrin |
| Subframe Connectors Included? | ❌ No |
| Chassis Stiffener Included? | ✅ Yes |
| Mounting Hardware Included? | ✅ Yes |
| Installation Type | Direct Bolt-On |
| Quantity | Sold as a Kit |
⚡ A must-have for GM performance builds looking to enhance steering response, cornering grip, and overall suspension dynamics!
Fitment & Compatibility
✔ Designed for GM Vehicles with Stock GM Axle Housing
✔ Direct Bolt-On Installation – No Modifications Required
✔ Ideal for Pro-Touring, Autocross, Street Performance, & Drag Racing Builds
Provides superior handling benefits while maintaining ride comfort for daily driving!
Installation Notes & Tips
100% Bolt-On Installation – No Welding Required
⚙️ Adjustable Coilovers Allow Custom Ride Height & Dampening
Ensure Proper Wheel Alignment After Installation
Professional Installation Recommended for Best Results
⚠️ Rear Coilover Kit Fits GM Axle Housing Only – Aftermarket Axle Fitment Not Guaranteed!
❓ Frequently Asked Questions (FAQ)
How does this kit improve my car’s performance?
- The combination of adjustable coilovers, tubular control arms, and heavy-duty sway bars delivers better cornering grip, reduced body roll, and enhanced ride stability.
Can I install this kit myself?
- Yes! This kit is bolt-on with no welding required, though a professional alignment is recommended post-installation.
Can I adjust the ride height?
- Yes! The Viking coilovers allow height adjustment from stock to 2” lower, letting you customize your car’s stance and handling.
Is this kit compatible with aftermarket axles?
- No guarantee. This kit is designed for GM axle housings, and aftermarket fitment is not guaranteed.
Do I need any additional parts for installation?
- No! The kit includes all necessary components and mounting hardware for a complete suspension upgrade.
Call to Action – Upgrade Your Suspension Today!
Take your GM vehicle’s suspension to the next level with UMI Performance’s Stage 2.5 Handling Kit!
✔ Adjustable Coilovers for Custom Stance & Ride Comfort
✔ Tubular Control Arms for Maximum Stability & Steering Response
✔ Heavy-Duty Sway Bars for Sharper Cornering
✔ Bolt-On Installation – No Welding Required
Order Now & Experience Precision Handling Like Never Before!
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