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

QA1 Precision Products, Inc

QA1 Promo Star-12-250 Kit Pro-Rear Coilover D-Adj. 3.00in

$1,268.03

SKU: Q00B DD501-12250

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

QA1's Heavy Duty Pro Rear Systems are designed for vehicles with 1700-2600 lbs. rear axle weight, providing all necessary hardware for seamless coilover installation. Offers 9" of total ride height adjustability with ¾” increment options, giving users full control over vehicle stance. Features double-adjustable Proma Star shocks, allowing independent rebound and compression tuning for superior handling on both street and track. Includes all essential brackets, tabs, and hardware for a simple weld-on installation, minimizing the need for excess fabrication.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandQA1 Precision Products, Inc
Part NumberQ00B DD501-12250

Videos

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QA1 Pro Coil Install 66 Mustang

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Buy with Confidence

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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