What is the advantage of a dual rate coil spring?

A dual rate spring has two distinct spring rates. The first rate allows for comfortable articulation and keeps the spring seated, while the second rate engages under heavier compression for more controlled handling. This setup aims to provide both a comfortable ride and capable off-road flex.

How does the shot peening process benefit the coil springs?

Shot peening involves blasting the spring surface with steel pellets at high velocity. This compresses the surface of the steel, which increases its tensile strength and makes the spring more durable and resistant to fatigue.

Does this kit include everything needed for installation?

These are front coil springs designed as a direct bolt-on replacement. While they are a direct fit, it's always recommended to check the manufacturer's installation instructions to see if any additional hardware or components are suggested for a complete lift installation.

Skyjacker Front Coil Springs for 66-77 Ford Bronco

Name: Skyjacker 66-77 Ford Bronco 4WD 7in Front Dual Rate Coil Springs
Brand: Skyjacker
SKU: skyjacker-skyjacker-66-77-ford-bronco-4wd-7in-front-dual-rate-coil-springs-t14-888901
Price: 280.90 USD
Availability: InStock

Skyjacker 66-77 Ford Bronco 4WD 7in Front Dual Rate Coil Springs

$280.90

Only 4 left in stock

Skyjacker 66-77 Ford Bronco 4WD 7in Front Dual Rate Coil Springs. These 7-inch front coils offer improved off-road flex and a comfortable street ride.

Key Features

Fits 1966-1977 Ford Bronco 4WD.
Dual rate, long travel coil springs provide a 7-inch front lift.
Two-stage spring rate: a Flex Rate for articulation and a Ride Rate for street comfort.
Constructed from SAE 9254 spring steel for strength.
Shot peening process increases the tensile strength of the spring steel.
Preset process eliminates spring stress and prevents sagging.

These front coil springs are designed for 1966-1977 Ford Bronco 4WD models.

⚠️ 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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Product Details

Skyjacker is known for making springs that perform well both on and off the pavement. These dual rate coil springs are specifically built for your 1966-1977 Ford Bronco 4WD, giving you a 7-inch lift up front. They use a two-stage system: a first Flex Rate that lets the spring comfortably flex and expand, keeping the coils seated and your tires on the ground during articulation. Once you compress past that first stage, the second Ride Rate engages, providing a more solid feel.

These springs are constructed from SAE 9254 spring steel. The material is shot peened, a process where steel pellets are blasted at high speeds to compress the surface, increasing the steel's tensile strength. They also go through a preset process, where the spring is compressed until the coils touch, which removes stress and prevents sagging over time. This means you get a well-built spring that's ready for tough terrain. A baked-on powder coat finish adds a durable layer to help prevent corrosion.

Installation is straightforward, as these are designed as a direct bolt-on replacement, maintaining proper OEM suspension geometry. You can expect them to allow for full articulation as the suspension cycles.