My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Hyperco 18S-300 Coil-Over Spring lb/in Rate - 300

Part of: Hyperco Coil-Over Spring lb/in Rate

Other options in this family: Hyperco 18S-150 Hyperco 18S-350

Manufacturer

Picture for manufacturer Hyperco

Part Number

18S-300
7 reviews
Sale Price

$89.62

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Hyperco 18S-300 is a high-performance coil-over spring engineered for racing and high-performance suspension applications. This spring features a 300 lb/in spring rate, providing firm, responsive handling characteristics ideal for competitive motorsports and aggressive street use.

Key Features:

  • 300 lb/in spring rate for precise suspension control
  • 2.5-inch inner diameter fits standard coil-over shock bodies
  • Chrome silicon alloy construction for superior strength and durability
  • Ground and heat-treated for consistent performance
  • Precision-wound for accurate spring rate tolerances
  • Compatible with threaded coil-over conversion kits

Hyperco springs are manufactured to exacting standards and are a proven choice among professional race teams and performance enthusiasts. The 18S series springs are designed to work with 2.5-inch diameter shock bodies and threaded collar systems, allowing for precise ride height and preload adjustments.

Website is easy to use.

Autoplicity had the Readylift kit I needed at the best price I could find. They shipped it very quickly as well. I am very pleased with this transaction.

Great prices and item shipped quick!

I placed the order on Monday, and the package was delivered two days later, on Wednesday...and that was with FREE SHIPPING!!! It was also at the best price I could find. What more can you ask?

This is the best price that I found on the AEM methanol injection kit! I and searched all over! Fast shipping and processing! I would buy from again!!

Lowest price of anyone, including shipping. Arrived quickly. What more can you ask for.

Good prices and quick shipping. Thanks!

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy