K-Tuned

4.5-Inch Coilover Spring, 180 lbs/inch

$55.00

SKU: 045-163-180 B

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

Description

The K-Tuned Standard Coilover Quarter Midget (B) Spring, part number 045-163-180 B, is a barrel-type spring engineered for motorsports, applicable from dirt to pavement racing. Constructed from Swift's proprietary HS5.TW material, this spring is designed for corner-specific performance to enhance vehicle potential and provide a competitive advantage. It measures 4.5 inches in length with a 1.63-inch inner diameter and a spring rate of 180 lbs/inch. The spring specifications include a usable stroke of 2.3 inches, a maximum stroke of 3.1 inches, and a maximum load capacity of 553 lbs. This design aims to optimize the spring's performance under various racing conditions. Swift coilover springs offer a wide variety of lengths, inner diameters, and rates to suit different motorsport needs. This particular model is ideal for applications requiring precise suspension tuning and responsiveness.

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.

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Specifications

BrandK-Tuned
Part Number045-163-180 B
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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