🔹 UMI Performance Stage 3 Handling Kit – GM A-Body (1968-1972)
🛠️ UMI Performance Stage 3 – The Perfect Balance Between Comfort & Handling
Since its debut, UMI’s Stage 3 Suspension Kit has been the top choice for GM A-Body enthusiasts seeking pro-touring performance with street comfort. This all-inclusive package enhances handling, reduces body roll, and delivers a smooth ride while lowering your vehicle for a sleek, aggressive stance.
With components precision-engineered for A-Body models, this kit is ready to bolt-on—no modifications required! Whether you’re carving corners, cruising, or hitting the track, this high-performance suspension system is the perfect upgrade.
🔹 Key Features & Benefits
✅ Full Suspension Upgrade – No need to piece together mismatched components
✅ 1” Lowered Ride Height – Better handling without sacrificing comfort
✅ Delrin Bushings in Lower Control Arms – Superior steering precision & responsiveness
✅ Adjustable Rear Upper Control Arms – Set pinion angle for optimal performance
✅ Roto-Joint Rear Suspension Components – Allows smooth articulation & reduces suspension bind
✅ Heavy-Duty 1.25” Front & 1” Rear Sway Bars – Minimizes body roll for a planted feel
✅ UMI SP Series Monotube Shocks – Tuned for comfort & high-performance handling
✅ Tubular Frame Braces & Control Arms – Maximum strength & stability
✅ Durable Powder-Coated Finish – Red or Black options for a premium look
🔹 Technical Specifications
Feature | Details |
---|---|
MFG. Part # | ABF406-1-R |
Brand | UMI Performance |
Vehicle Compatibility | 1968-1972 GM A-Body (Chevelle, GTO, Cutlass, Skylark, etc.) |
Suspension Type | Pro-Touring Handling Kit |
Front Suspension Height | 1.0” Lowered |
Rear Suspension Height | 1.0” Lowered |
Bushing Material | Delrin / Polyurethane |
Front Coil Springs Included | ✅ Yes |
Rear Coil Springs Included | ✅ Yes |
Front Sway Bar Diameter | 1.25” (Solid, Powder-Coated) |
Rear Sway Bar Diameter | 1” (Solid, Heat-Treated) |
Control Arm Style | Tubular |
Control Arm Material | Steel (Powder-Coated Finish) |
Upper Trailing Arms Included | ✅ Yes (Adjustable) |
Lower Trailing Arms Included | ✅ Yes |
Trailing Arm Mount Braces | ✅ Yes |
Front Shock Type | Gas-Charged Monotube (Adjustable) |
Rear Shock Type | Gas-Charged Monotube (Adjustable) |
Control Arm Finish | Powder Coated (Red or Black) |
Bolt-On Installation | ✅ Yes (No Welding Required) |
🔹 Vehicle Compatibility
✔ 1968-1972 Buick A-Body Models
- Skylark
- GS
- Sportwagon
✔ 1968-1972 Chevrolet A-Body Models
- Chevelle
- El Camino
✔ 1968-1972 Oldsmobile A-Body Models
- Cutlass
- Vista Cruiser
✔ 1968-1972 Pontiac A-Body Models
- GTO
- Tempest
🔹 What’s Included in the Kit?
✔ Tubular Lower Front A-Arms (Delrin Bushings for Precision Steering)
✔ Tubular Upper Front A-Arms (½” Taller Ball Joints for Improved Camber Gain)
✔ 1.25” Heavy-Duty Front Sway Bar (CNC Bent 4140 Chromoly Steel)
✔ 1” Solid Heat-Treated Rear Sway Bar (For Balanced Handling)
✔ 1” Lowering Springs (530 lb/in Front, 130 lb/in Rear – Linear Spring Rate)
✔ Tubular Rear Lower Control Arms with Roto-Joint (Maximum Articulation & Stability)
✔ Adjustable Rear Upper Control Arms with Roto-Joints (Set Pinion Angle & Axle Position)
✔ Tubular Frame Braces (Increase Chassis Rigidity & Reduce Flex)
✔ Replacement Rear End Housing Bushings (Upgraded for Longevity & Performance)
✔ Front Upper & Lower Grade 8 Hardware Kit (Ensures Secure Fitment)
✔ Rear Control Arm Grade 8 Hardware Kit (Strength & Durability)
✔ (4) UMI SP Series Monotube Shocks (Tuned for Street & Track Performance)
🛠 Everything you need for a complete suspension transformation!
❓ Frequently Asked Questions (FAQ)
🔹 Is this kit difficult to install?
- No! This kit is a direct bolt-on replacement. Basic mechanical knowledge and tools are recommended, but no cutting or welding is required.
🔹 Does this kit work with stock wheels and tires?
- Yes! This suspension system is designed to work with factory and aftermarket wheels.
🔹 Can I use this kit for track racing?
- Absolutely! This kit is designed for both street performance and pro-touring applications, giving you responsive handling while maintaining ride comfort.
🔹 What’s the difference between Delrin and Polyurethane bushings?
- Delrin bushings provide precise steering & stability, while Polyurethane bushings offer durability & comfort. This kit combines both for the best of both worlds.
🔹 Does this kit lower my vehicle?
- Yes! This kit lowers your ride by approximately 1” in both the front and rear for a more aggressive stance & improved handling.
🚀 Order Now – Upgrade Your GM A-Body Suspension for Ultimate Handling!
🔧 Perfect for Classic Restorations, Street Performance, & Pro-Touring Builds!
🛒 In Stock – Get Yours Today!
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