K-Tuned

10-Inch 3-Inch 550 lbs/inch Coilover Spring

$141.00

SKU: 100-300-550

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

Utilizing proprietary HS5.TW material, this spring is designed for corner-specific tuning to maximize your vehicle's potential and provide a competitive edge. Key specifications include a 10-inch length, a 3-inch inner diameter, and a robust 550 lbs/inch spring rate. The spring offers a usable stroke of 4.9 inches and a maximum stroke of 6.1 inches, with a maximum load capacity of 3,366 lbs. This combination ensures optimal performance and durability under extreme conditions. K-Tuned offers a wide variety of lengths, inner diameters, and rates to suit diverse racing needs. While the provided image is an example featuring a 125 lbs/inch spring rate, this specific part number (100-300-550) corresponds to the 550 lbs/inch rate. These coilover springs are a critical component for enhancing suspension performance in various racing disciplines.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandK-Tuned
Part Number100-300-550
CategorySuspension and Components

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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