Product images and videos 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.
Suspension and Components› Shocks, Struts, Coil-Overs and Components
QA1 Precision Products
QA1 PROMA STAR Double Adjustable Coilover Kit Silver Spring
SKU: DD52-150
Moderate — 2–4 hours
Overview
The coilover offers 36 distinct valving selections, allowing for precise tuning of ride quality and handling. It has an extended length of 16.88 inches and a collapsed length of 11.63 inches, with polyurethane bushings for durability. This kit includes spanner wrenches and thrust bearings for straightforward ride height adjustments.
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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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Available on iOS & Android
Specifications
| Brand | QA1 Precision Products |
| Part Number | DD52-150 |
| Category | Suspension and Components |
Videos
Adjusting Your Coilover Spring Seat: What Does It Do? | QA1 Tech
The Best Strut for Your Mustang | QA1 Tech
How to assemble QA1 Coilovers
Will Raising the Spring Seat Stiffen My Ride? - QA1 Quick Tip
Fine-tune Your Suspension for the Perfect First Drive | QA1 Tech
QA1 Mod Shocks: Track Day Performance Tuning
How to Select Your Drag Shocks | QA1 Tech
Front End Setup For Drag Racing | QA1 Tech
How To Measure For Custom Shocks - QA1 Tech
QA1 Tech: The Ultimate Guide to Updating Fox Body Suspension
About MOTORMIA
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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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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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