ENERGY SUSPENSION 4.2101G Leaf Spring Bushing Set 703639330288 64-73

( Brand: Energy Suspension ), ( Manufacturer Part Number: 4.2101G ), ( Placement On Vehicle: Rear ), ( Type: Leaf Spring Bushing ), ( Item Width: 7.250 ), ( Color: Black ), ( Item Length: 8.630 ), ( Manufacturer Warranty: 1 Year ), ( Country Of Origin: United States ), ( UPC: 703639330288 )

Review ENERGY SUSPENSION Leaf Spring Bushing Set 64-73 fits MUSTANG

Energy Suspension 4.2101G Leaf Spring Bushings Set (64-73 Mustang)

The Energy Suspension 4.2101G Leaf Spring Bushings Set is a high-performance upgrade designed for the front suspension system of 1964 to 1973 Ford Mustang models. These bushings are engineered to replace the factory-installed rubber bushings, delivering enhanced stability, improved handling, and increased road grip.

Each bushing in this set is manufactured using Energy Suspension's proprietary Duraspan polyurethane material. This material offers superior durability compared to rubber bushings, ensuring that the bushings last longer and perform consistently even under heavy use. The Duraspan material also provides excellent vibration damping, reducing unwanted noise and harshness transmitted through the vehicle's suspension.

The Energy Suspension 4.2101G Leaf Spring Bushings Set is specifically designed for the front leaf springs of the Mustang. These bushings are precision-machined to ensure a perfect fit and function, ensuring a seamless installation process. The use of Energy Suspension bushings results in improved alignment and reduced wheel hop, leading to better handling and a more enjoyable driving experience.

Installing these bushings is a straightforward process, making it an accessible upgrade for both professional mechanics and enthusiasts working on their own vehicles. Energy Suspension provides installation instructions with the kit to ensure a successful installation.

By upgrading to the Energy Suspension 4.2101G Leaf Spring Bushings Set, Mustang owners can significantly enhance their vehicle's performance and driving experience, while also improving its longevity and reliability. These bushings are a worthwhile investment for those seeking to optimize their Mustang's handling and ride quality.

Pros and Cons of Buying Energy Suspension 4.2101G Leaf Spring Bushings for 64-73 Mustang

The Energy Suspension 4.2101G Leaf Spring Bushings are aftermarket bushings designed to replace the original bushings in the leaf spring suspension system of 64-73 Mustang models. These bushings are known for their durability and performance improvements. In this analysis, we will discuss the advantages and disadvantages of purchasing these bushings.

1. Enhanced Performance: Energy Suspension bushings are designed to provide better handling and improved ride quality by reducing flex and improving suspension geometry.

2. Durability: These bushings are made from high-performance materials such as polyurethane, which is known for its durability and resistance to wear and tear.

3. Reduced Noise, Vibration, and Harshness (NVH): The bushings help to reduce the amount of noise, vibration, and harshness that can be transmitted through the suspension system, resulting in a more comfortable ride.

4. Easy Installation: The bushings can be installed relatively easily, with most users reporting that the process takes around 1-2 hours.

5. Longevity: Replacing the original bushings with Energy Suspension bushings can extend the life of the suspension system by reducing wear and tear on other components.

1. Stiffness: The bushings are stiffer than the original bushings, which can lead to a harsher ride for some users.

2. Cost: Energy Suspension bushings are more expensive than the original bushings, which may be a deterrent for some buyers.

3. Potential for Increased Wear on Other Components: The bushings can transfer more forces to other suspension components, which may result in increased wear and tear over time.

4. Noise: Some users report an increase in noise levels after installing the bushings.

The Energy Suspension 4.2101G Leaf Spring Bushings offer several advantages, including enhanced performance, durability, reduced NVH, and easy installation. However, they also come with some disadvantages, such as increased stiffness, cost, potential for increased wear on other components, and noise.

If you are looking to improve the handling and ride quality of your 64-73 Mustang and are willing to accept a slightly stiffer ride, then the Energy Suspension 4.2101G Leaf Spring Bushings may be a worthwhile investment. However, if you prioritize comfort over performance, or if the cost is a concern, then you may want to consider other options. Ultimately, the decision to purchase these bushings depends on your personal preferences and priorities.

Details:

Original packaging. Allows The Suspension To Function Properly. FEATURES: Made Of Superior Hyper-Flex Material. Energy Suspension is a self-contained company with all services in-house-in order to maintain the highest quality control possible.

Placing an order outside the US is easy. The complex and diverse nature of Energy's proprietary material requires our chemists to dedicate their constant attention development. For cars, trucks and Suva. They have over two decades of in-house experience in innovating, engineering and formulating a wide selection polyurethane components for many different industries.

FIRST with replacement Performance Polyurethane automotive Control Arm Bushings containing outer metal shells. Shackle Bolts; Performance Polyurethane;. Made of Energy's Hyper-Flex performance polyurethane which lasts 5 10 times longer than conventional rubber components.

FIRST with a complete Performance Polyurethane Vehicle Product Catalog Web Site that is updated weekly. FIRST to offer complete Performance Polyurethane Suspension bushing Master Sets for front-to-rear coverage of vehicle Suspensions popular import domestic vehicles-called THE HYPER-FLEX SYSTEM. FIRST with Polyurethane Grease able Anti-Sway Bar Bushings which feature easy grease able Zeke fittings. Adds Dramatic Amount Of Performance/Durability.

Helps the vehicle be in control - when maneuvering through turns, during standing start accelerations, braking, even over bumps and berms. Innovations include: FIRST with a state-of-the-art on-site new product development program which carefully analyzes various vehicle reactions equipped Energy's Performance Polyurethane technology. Leaf Spring Bushing Set; Black; Rear; w/0.5 in. This has qualified Energy Suspension as a premier manufacturer of the highest quality polyurethane products available today.

Energy Suspension 4.2101G Leaf Spring Bushing Set Fits 64-73 Mustang. SPECIFICATIONS: Position: Rear. FIRST with a patented Performance Polyurethane Transmission Mounts utilizing an Interlocking Safety Feature. Fits what vehicles: 1964-1973 Ford Mustang.

Adds a dramatic amount of performance and durability to any vehicle. FIRST with Performance Polyurethane Ball Joint and Tie Rod Dust Boots. All accessories hardware. Helps Vehicle Be In Control.

part #: 42101g prices

• $73.09-$75.19

specifications coilspringi:

• for models: Mustang
• brand: Energy Suspension
• mpn: 4.2101g
• placement on vehicle: Rear
• type: Leaf Spring Bushing
• item width: 7.250
• color: Black
• item length: 8.630
• manufacturer warranty: 1 Year
• country of origin: United States
• upc: 703639330288

general coilspringi:

• Car Truck Parts Accessories > Steering Suspension > Leaf Coil Springs
• condition: New

shipping coilspringi:

• service: Standard
• cost: $0.00
• transit: 3-8 Days
• class: Standard
• type: Fixed

offer coilspringi:

• started: February 11, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 10
• sold: 0

seller coilspringi:

• rating: 99.4%
• # reviews: 145602
• city: Miami, Florida

payments coilspringi:

• credit card: Diners-club
• other
• wallet: Google-pay

returns coilspringi:

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

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