1. Control Arms Offers
  2. sku: 11613079137441631
  3. UMI PERFORMANCE 3021-R

UMI PERFORMANCE 3021-R Suspension Trailing Arm Gm Body Boxed Lower Control

fits year: 1978–1988.

3021-r Umi Performance Suspension Trailing Arm - 3021 1978-1988 Gm G-body Boxed Lower Control

( Brand: Umi Performance ), ( Manufacturer Part Number: 3021-R ), ( Part Type: Control Suspension Arm ), ( Warranty: 1 Year ), ( Adjustable: No ), ( Bushing Color: Red ), ( Bushing Material: Polyurethane ), ( Bushings Included: Yes ), ( Control Arm Construction: Boxed ), ( Finish: Red Powdercoated ), ( Grade Type: Performance ), ( Material: Steel ), ( Mounting Type: Bolt In ), ( Country Of Origin: United States )

Review UMI PERFORMANCE Suspension Trailing Arm Gm G body Boxed Lower Control fits 1978–1988

Introducing the UMI Performance 3021-R Suspension Trailing Arm for the 1978-1988 GM G-Body, a high-quality aftermarket component designed to enhance the handling and stability of your vehicle. This boxed lower control arm is engineered to provide superior strength and durability, making it an excellent choice for those seeking a performance upgrade.

The UMI Performance 3021-R Suspension Trailing Arm is precision-crafted using heavy-duty steel tubing. The arm's design features a boxed construction, which not only adds to its robustness but also helps to eliminate flex and improve rigidity. The arm's ends are CNC-machined for a perfect fit and are designed to work seamlessly with OEM or aftermarket suspension components.

This suspension trailing arm is designed to be a direct replacement for the OEM part, making the installation process straightforward and hassle-free. The arm comes complete with all necessary hardware for a straightforward installation, including bushings and bolts. However, it is recommended that you consult a professional mechanic or follow a detailed installation guide to ensure proper installation and alignment.

The UMI Performance 3021-R Suspension Trailing Arm is also designed to be adjustable, allowing you to fine-tune the suspension settings to suit your driving style and preferences. It features adjustable camber plates, which enable you to adjust the camber angle for optimal tire contact and improved cornering performance.

Additionally, the arm is designed to improve the ride quality of your vehicle by reducing unwanted vibrations and improving overall handling. Its robust construction and precise engineering help to eliminate the flex and play that can be present in the OEM arm, resulting in a more responsive and confident driving experience.

In summary, the UMI Performance 3021-R Suspension Trailing Arm for the 1978-1988 GM G-Body is an excellent upgrade for those seeking improved handling, stability, and ride quality. Its heavy-duty construction, adjustable design, and straightforward installation make it a smart investment for any enthusiast looking to take their vehicle to the next level.

UMI Performance 3021-R Suspension Trailing Arm: A Detailed Analysis

The UMI Performance 3021-R Suspension Trailing Arm is a popular aftermarket component for 1978-1988 GM G-body vehicles. This part is designed to enhance the performance and handling of your vehicle. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this suspension trailing arm.

Pros:

1. Improved Handling: The UMI Performance 3021-R Suspension Trailing Arm is designed to provide better handling and stability to your vehicle. It is engineered to reduce body roll, improve cornering abilities, and provide a more responsive driving experience.

2. Enhanced Performance: This suspension component is designed to work in tandem with other high-performance upgrades, such as coil-overs, sway bars, and bushings. Together, these upgrades can significantly improve the overall performance of your G-body vehicle.

3. Durable Construction: The UMI Performance 3021-R Suspension Trailing Arm is made from high-quality materials, including steel tubing and heavy-duty bushings. This ensures that the part is strong enough to withstand the rigors of high-performance driving and daily use.

4. Easy Installation: The UMI Performance 3021-R Suspension Trailing Arm comes as a complete, boxed kit, which includes all necessary hardware for installation. This makes the installation process relatively straightforward and can save you time and money compared to purchasing individual components.

Cons:

1. Cost: The UMI Performance 3021-R Suspension Trailing Arm is a premium aftermarket component, and its cost reflects its high-performance capabilities. This may be a significant investment for some enthusiasts, especially those on a budget.

2. Customization: This suspension trailing arm is designed specifically for the 1978-1988 GM G-body vehicles. If you own a different make or model, this part may not be compatible with your vehicle.

3. Compatibility with Other Upgrades: While the UMI Performance 3021-R Suspension Trailing Arm is designed to work with other high-performance upgrades, it may not be compatible with all aftermarket components. Be sure to consult with the manufacturer or a qualified mechanic before installing this part with other upgrades.

Conclusion:

The UMI Performance 3021-R Suspension Trailing Arm is a high-quality aftermarket component designed to enhance the performance and handling of 1978-1988 GM G-body vehicles. While it comes with a premium price tag, its durability, easy installation, and improved driving experience make it a worthwhile investment for enthusiasts seeking to take their G-body to the next level. However, it is essential to consider the cost and compatibility with other upgrades before making a purchase.

Recommendation:

If you own a 1978-1988 GM G-body vehicle and are looking to improve its performance and handling, the UMI Performance 3021-R Suspension Trailing Arm is an excellent choice. Its durable construction, easy installation, and proven performance benefits make it a recommended aftermarket upgrade for enthusiasts seeking a more engaging and responsive driving experience. However, be sure to carefully consider the cost and compatibility with other upgrades before making a purchase.

Details:

Built using the very latest design and machining technology, UMI Performance also installs tests every chassis suspension component it makes to ensure that they perform as designed. ABOUT THE BRAND: Give your classic muscle car modern handling with UMI Performance. UMI focuses on muscle cars from the 1960s to today A-bodies, F-bodies, B-bodies, G-bodies, and Mustangs. Having trouble deciding on whether to get a folding or roll-up tonne cover.

UMI Suspension Trailing Arm - 3021 1978-1988 GM G-Body Boxed Lower Control. Part #: 3021-R. Need advice on which exhaust system to purchase. Choose from components like cross members, pan hard bars, control arms, K-members, sub frame connectors, and more.

part #: 3021 prices

  • $369.99-$384.39

specifications controlarma:

  • for years: 1978-1988
  • brand: Umi Performance
  • mpn: 3021-r
  • part type: Control Suspension Arm
  • warranty: 1 Year
  • adjustable: No
  • bushing color: Red
  • bushing material: Polyurethane
  • bushings included: Yes
  • control arm construction: Boxed
  • finish: Red Powdercoated
  • grade type: Performance
  • material: Steel
  • mounting type: Bolt In
  • country of origin: United States

returns controlarma:

  • policy: Returns Accepted
  • paid by: Buyer
  • time: 30 Days

general controlarma:

  • Car Truck Parts Accessories > Steering Suspension > Radius, Swing Trailing Arms
  • condition: New

offer controlarma:

  • options: Ship-to-home
  • quantity: 2
  • availability: In Stock
  • started: July 12, 2025
  • sold: 0

seller controlarma:

  • # reviews: 2803
  • city: Arlington, Texas
  • rating: 94.5%

payments controlarma:

  • wallet: Apple-pay
  • credit card: Discover
  • other

shipping controlarma:

  • transit: 4-9 Days
  • cost: $0.00
  • class: Standard
  • carrier: FedEx, UPS
  • type: Fixed
  • service: FedEx Ground or FedEx Home Delivery, UPS Ground
for years: 1978-1988, part type: control suspension arm, warranty: 1 year, adjustable: no, bushing color: red, bushing material: polyurethane, bushings included: yes, control arm construction: boxed, finish: red powdercoated, grade type: performance, mounting type: bolt in, country of origin: united states,
category: auto parts > car truck parts accessories > steering suspension > radius, swing trailing arms, color: red, material: steel, sku: 11613079137441631,
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5 offers $369.99–$384.39 USD
  • New. Offer #1 priced at $369.99 + $19.95 shipping estimate = $389.94* total. All installation instructions included. Sway bar holes are reinforced with a 0.120 wall thickness steel sleeve TIG welded and sanded into place.+$19.95 shipping
  • New. Offer #2 priced at $384.39 + $0.00 shipping estimate = $384.39* total. UMI Suspension Trailing Arm - - 1978-1988 GM G-Body Boxed Lower Control Arm.FREE SHIPPING
  • New. Offer #3 priced at $369.99 + $19.95 shipping estimate = $389.94* total. +$19.95 shipping
  • New. Offer #4 priced at $519.99 + $35.00 shipping estimate = $554.99* total. +$35.00 shipping
  • New. Offer #5 priced at $369.99 + $35.00 shipping estimate = $404.99* total. +$35.00 shipping

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