What is Hyper-Flex polyurethane?

Hyper-Flex is a high-performance polyurethane material developed by Energy Suspension. It's known for its exceptional durability and resistance to wear, often lasting significantly longer than standard rubber parts.

What's the main benefit of these shackle bushings?

These bushings help your suspension work more effectively. By replacing worn-out rubber, they provide a more solid connection and improved control when maneuvering your vehicle, especially during acceleration, braking, and cornering.

Does this kit include everything needed for installation?

This kit includes the rear spring frame shackle bushings. It's recommended to inspect your existing hardware, like shackles and bolts, as they may need to be replaced or reused depending on their condition.

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Specifications

Brand: Energy Suspension
Part #: 4.2127R
UPC: 703639331308

Energy Suspension Rear Spring Frame Shackle Kit - Red

Name: Energy Suspension Rear Spring Frame Shackle Kit - Red
Brand: Energy Suspension
SKU: energy-suspension-energy-suspension-rear-spring-frame-shackle-kit-red-t14-4323920
Price: 25.07 USD
Availability: BackOrder

$25.07

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 1973-1979 Ford F-250. Energy Suspension rear spring shackle kit made of durable Hyper-Flex polyurethane.

Key Features

Fits 1973-1979 Ford F-250, 1978-1979 Bronco, 1973-1976 Ford F-100, and 1977-1979 Ford F-150.
Replaces stock rubber bushings with durable Hyper-Flex polyurethane.
Improves vehicle control during turns, acceleration, and braking.
Designed to last 5-10 times longer than conventional rubber components.
Helps the suspension function properly for a more stable ride.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

This is the Energy Suspension rear spring frame shackle kit in red, designed for your 1973-1979 Ford F-250. These kits replace the stock rubber bushings in your rear spring shackles with performance polyurethane. This change helps your suspension work better, giving you more control when you're turning, accelerating, or braking, and even when going over rough roads.

The key to this kit is Energy's Hyper-Flex polyurethane. This material is known for lasting much longer than standard rubber components, often 5 to 10 times longer. This means you get improved durability and performance from your suspension for a lot more miles. It’s a well-built part that helps keep your vehicle stable and responsive.