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“Winters Performance SR2550STB SR2980 Nostalgia V8 Quickchange, Plain” has been added to your cart. View cart
“Winters Performance SR2550STB SR2980 Nostalgia V8 Quickchange, Plain” has been added to your cart. View cart
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Home Car Chassis & Suspension Kits UMI Performance Stage 2.5 Handling Kits ABF804-1-B
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Hotchkis Sport Suspension Tubular A-Arms 11024
Hotchkis Sport Suspension Tubular A-Arms 11024 $1,199.00

UMI Performance Stage 2.5 Handling Kits ABF804-1-B

$2,310.00

✔ Complete Coilover Suspension Kit for Precision Handling & Ride Comfort
✔ Viking Adjustable Coilovers with 19 Settings for Compression & Rebound
✔ Ride Height Adjustable from Stock to 2” Lowered Stance
✔ Tubular Front & Rear Control Arms for Maximum Strength & Stability
✔ Heavy-Duty Front & Rear Sway Bars to Reduce Body Roll
✔ High-Performance Delrin & Polyurethane Bushings for Enhanced Response
✔ Direct Bolt-On Installation with All Necessary Hardware Included

💡 Achieve the ultimate balance of aggressive stance, track-ready handling, and everyday drivability with UMI’s Stage 2.5 Handling Kit!

17 in stock

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Category: Car Chassis & Suspension Kits
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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! 🚀

Overview

Brand:
UMI Performance
Manufacturer’s Part Number:
ABF804-1-B
Part Type:
Suspension Handling Packages
Product Line:
UMI Performance Stage 2.5 Handling Kits
Summit Racing Part Number:
UPI-ABF804-1-B
Front Coil Springs Included:
Yes
Rear Coil Springs Included:
Yes
Rear Leaf Springs Included:
No
Front Shocks/Struts Included:
Yes
Front Shock Type:
Adjustable coilover
Rear Shocks/Struts Included:
Yes
Rear Shock Type:
Adjustable coilover
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:
Yes
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
Bushing Color:
Black
Mounting Hardware Included:
Yes
Quantity:
Sold as a kit.
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