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Suspension and Components› Shocks, Struts, Coil-Overs and Components

Steeda

Pro-Action Adjustable Shocks and Struts

Name: Pro-Action Adjustable Shocks and Struts
Brand: Steeda
SKU: 555-8157

$1,211.94 $1,165.08 Save $46.86

SKU: 555-8157

Free Shipping over $200

$100 Minimum Order

Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Steeda Pro-Action Adjustable Shocks and Struts are designed for the S550/S650 Mustang. This kit offers a huge range of tire, wheel, and spring fitment combinations.

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The Steeda 555-8157 Pro-Action Adjustable Shocks and Struts are engineered for the 2015-2026 S550/S650 Mustang GT, V6, and EcoBoost models. This kit is designed to provide the pinnacle of performance, ride quality, and reliability, confirmed for S650 fitment. It offers a vast range of compatibility with various tire, wheel, and spring fitment combinations. The setup can accommodate tire sizes starting at 295 in the front, with the potential for up to 315 with the correct offset, and the rear can easily fit 315mm tires. Installation may require modifications to the factory damper mount shaft hole, from 10 mm to 12 mm, using a 22mm socket for the factory lug nuts. Note that these shocks and struts are for non-MagneRide equipped vehicles only.

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

Brand	Steeda
Part Number	555-8157
Category	Suspension 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.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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