What does shot peening do for these coil springs?

Shot peening involves blasting the steel with hard steel pellets at high velocity. This process compresses the surface of the steel, which increases its tensile strength and helps the spring resist fatigue and maintain its intended height over time.

Why are the ends of the springs ground flat?

The ends are ground flat to create a perpendicular surface against the coilover assembly. This ensures an even distribution of spring force, which improves performance and makes installation more straightforward.

What is the benefit of the preset process?

The springs are compressed completely until the coils touch as part of the preset process. This removes any built-up fatigue or stress from the spring, preventing it from sagging over time and ensuring it maintains its specified height and rate.

Skyjacker Coilover Coil Springs 2.5" x 14" x 400lb Black

Name: Skyjacker 2.5 In x 14 In x 400lb Universal Coilover Coil Springs
Brand: Skyjacker
SKU: skyjacker-skyjacker-2-5-in-x-14-in-x-400lb-universal-coilover-coil-springs-t14-875149
Price: 180.69 USD
Availability: InStock

Skyjacker 2.5 In x 14 In x 400lb Universal Coilover Coil Springs

$180.69

Only 4 left in stock

Skyjacker 2.5" x 14" x 400lb universal coilover coil springs. Shot peened for durability and a black powder coat finish.

Key Features

Verified fitment for universal applications.
Skyjacker Softride Technology aims for enhanced spring performance.
100 percent shot peened for durability and long life.
Manufactured using high-tensile chrome silicon wire.
Durable black powder coat resists corrosion.
Closed and ground ends create a flat surface for even force distribution and easier installation.

⚠️ 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 their Softride technology, which aims for a balance of off-road capability and smooth on-road handling. These coilover coil springs are built using that same approach. They measure 2.5 inches in diameter and 14 inches in length, with a spring rate of 400 pounds per inch, making them a solid option for many universal coilover applications where you're looking to tune your suspension's response.

The construction starts with high-tensile chrome silicon wire. To increase the spring's tensile strength and ensure it holds its intended height, each spring undergoes a rigorous shot peening process. This involves blasting the steel with hard steel pellets at high velocity, which compresses the surface. They are also preset by compressing the spring completely until the coils touch, eliminating fatigue and preventing sagging over time. This ensures consistent performance and a long service life.

The ends of these coilover springs are closed and ground flat. This provides a stable, perpendicular surface for even force distribution against your coilover assembly, which also makes installation easier. They are finished with a durable black powder coat that resists corrosion and gives them a clean look. These springs are made in the USA.