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 400 lb
SKU: DD44-400
Moderate — 2–4 hours
Overview
This kit features 36 levels of valving adjustment, allowing drivers to fine-tune ride quality and handling for their specific needs, from comfortable street driving to aggressive track performance. The kit includes 10-inch length springs with a 400 lbs./in. rate and is recommended for front-end weights between 1,300 and 1,500 lbs. The aluminum shock bodies are silver finished, and the kit comes with spanner wrenches and thrust bearings for easy 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 | DD44-400 |
| Category | Suspension and Components |
Videos
Adjusting Your Coilover Spring Seat: What Does It Do? | QA1 Tech
QA1 Handling Suspension Kit Installation
QA1 Coilovers: What They Got Wrong & How We Made It Right
How To: Installing QA1 GM Pro Coil Coilover Shock Systems
How To Install QA1 Front Coilovers (Parts Setup and Install)
QA1 Mod Shocks: Track Day Performance Tuning
How To: Install QA1 Coilovers on the Front of Your Classic Mopar
The Best Strut for Your Mustang | QA1 Tech
07-18 Silverado 1500 Front Coil-Over Install | QA1 Tech
How to assemble QA1 Coilovers
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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