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UMI Performance Corner Max Kits 406401-B

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Parts & Accessories

UMI Performance Corner Max Kits 406401-B

SKU aa2dac38e32b

Car Chassis & Suspension Kits

$1,691.06

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No warranty

Commercial use may carry a shorter period than pleasure use.

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

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Specification

3 fields

Part number
aa2dac38e32b
Department
Parts & Accessories
Category
Car Chassis & Suspension Kits

In the seller's words

Description

UMI Performance Corner Max Kits – Precision Handling for Ultimate Performance!

The UMI Performance Corner Max Kit (406401-B) is the ultimate bolt-on suspension system designed for track and high-performance driving. With precision-engineered tubular control arms, tall ball joints, race-calibrated shocks, and adjustable geometry components, this kit pushes the limits of handling, response, and stability on aggressive street builds and road-course machines.

No chassis modifications required – designed as a direct bolt-on upgrade!

Tested & proven on UMI’s 1972 LeMans race car!

What’s Included in the Kit?

✅ UMI Double Adjustable Coilover Shocks (Front) – 40-click rebound adjustment for fine-tuning damping response
✅ 850 lb./in. Race-Proven Coil Springs – Designed for superior grip & cornering performance
✅ Tubular Upper & Lower Control Arms – Precision alignment & structural reinforcement
✅ Tall Ball Joints (1.5 in. Lower, 0.9 in. Upper) – Improved suspension geometry for max camber gain
✅ 1 5/16 in. Solid Front Sway Bar – Drastically reduces body roll & improves weight transfer
✅ Swivel End Links – Allows for proper motion and balance in high-speed cornering
✅ Bump Steer Kit – Eliminates unwanted steering deflections for precision handling
✅ Adjusting Wrench & Thrust Bearings – Easy ride height tuning at the track or street
✅ Spherical Bearings & Delrin Bushings – Superior articulation & reduced suspension friction
✅ Powdercoated Steel Components – Built to withstand aggressive driving & long-term durability
✅ Complete Hardware Kit – Everything needed for a professional installation

Designed to maximize handling while maintaining a comfortable ride on the street!

Technical Specifications

Feature Details
Brand UMI Performance
MFG. Part # 406401-B
Product Type Suspension Handling Package
Front Coil Springs Included? ✅ Yes – 850 lb./in. Spring Rate
Rear Coil Springs Included? ❌ No
Shocks Included? ✅ Yes – Double Adjustable Monotube Coilovers (Front)
Upper & Lower Control Arms? ✅ Yes – Tubular Design, Geometry-Corrected
Front Sway Bar? ✅ Yes – 1 5/16 in. Solid Bar with Swivel End Links
Rear Sway Bar? ❌ No
Trailing Arms? ❌ No
Panhard Bar? ❌ No
Bump Steer Kit? ✅ Yes – Fine-Tune Front Suspension Geometry
Camber Gain? 1.2° per inch
Max Static Caster? Up to 10°
Shock Adjustability? 40 Clicks of Rebound Adjustment
Bushing Material Spherical Bearings & Delrin®
Mounting Hardware Included? ✅ Yes
Installation Type Bolt-On – No Welding Required
Fitment GM Muscle Cars – Stock Spindle Compatibility

⚡ Transform your car’s steering response, grip, and agility on the street and track!

Fitment & Compatibility

✔ Designed for GM Muscle Cars (Stock Spindle Applications)
✔ Direct Bolt-In Fitment – No Fabrication or Modifications Required
✔ Perfect for Pro-Touring, Road Racing, & Performance Street Builds

Optimized for handling, stability, and control at high speeds!

Installation Notes & Tips

100% Bolt-On Installation – No Chassis Modifications Required
⚙️ Ensure Proper Alignment After Installation for Maximum Performance
Bump Steer Kit & Camber Adjustments Provide Fine-Tuned Handling
Quick-Change Spring System Makes On-Track Adjustments Easy

⚠️ Professional installation is recommended for best results and alignment precision!

❓ Frequently Asked Questions (FAQ)

What makes the UMI Corner Max Kit different from other suspension kits?

  • This kit optimizes front-end geometry with taller ball joints, high-rate springs, and a bump steer kit, resulting in sharp cornering, increased stability, and a superior driving experience.

Can I adjust ride height and suspension stiffness?

  • Yes! The coilovers allow for ride height adjustments and feature 40-click rebound adjustability for precise tuning to your driving needs.

Is this kit suitable for daily driving?

  • Absolutely! While designed for performance handling, it maintains a comfortable ride quality, making it perfect for street-driven pro-touring builds.

Does this kit require cutting or welding?

  • No welding or cutting is required! This kit bolts directly onto your factory chassis and spindles.

What’s included in the bump steer kit?

  • The bump steer kit helps fine-tune steering response, eliminating unwanted toe changes during suspension movement.

Call to Action – Elevate Your Suspension Today!

Upgrade your GM muscle car with the UMI Performance Corner Max Kit for the ultimate cornering experience!

✔ Race-Proven Handling for Street & Track
✔ Bolt-On Installation – No Cutting or Welding Required
✔ Double Adjustable Coilovers for Maximum Control
✔ Geometry-Corrected A-Arms & Tall Ball Joints for Stability

Order Now & Experience the Best in Pro-Touring Suspension!

Overview

Brand:
UMI Performance
Manufacturer’s Part Number:
406401-B
Part Type:
Suspension Handling Packages
Product Line:
UMI Performance Corner Max Kits
Summit Racing Part Number:
UPI-406401-B
Front Coil Springs Included:
Yes
Rear Coil Springs Included:
No
Rear Leaf Springs Included:
No
Front Shocks/Struts Included:
Yes
Front Shock Type:
Double adjustable coilover
Rear Shocks/Struts Included:
No
Front Sway Bar Included:
Yes
Front Sway Bar Color:
Black
Front Sway Bar Type:
Solid
Front Sway Bar Diameter (in.):
1.312 in.
Front Sway Bar Diameter (mm):
33.34 mm
Rear Sway Bar Included:
No
Tie Rod Sleeves Included:
Yes
End Link Bushings Included:
Yes
Rear Leaf Spring Bushings Included:
No
Sway Bar Bushings Included:
Yes
Upper Trailing Arms Included:
No
Lower Trailing Arms Included:
No
Trailing Arm Mount Braces Included:
No
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:
Yes
Bushing Material:
Spherical bearing/Delrin®
Bushing Color:
Black
Mounting Hardware Included:
Yes
Quantity:
Sold as a kit.
Notes:
Designed for use with stock spindles.

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