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

QA1 Precision Products, Inc

QA1 GM Pro Front Coil-Over System - Double Adj. - 10in x 400lbs/in - Flat - Aluminum

$1,259.01

SKU: Q00B GD401-10400B

In Stock
In Stock
Ships by Jun 10
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This Pro Coil Shock System for GM vehicles features fully adjustable ride height via a threaded body and independent double-adjustable compression and rebound valving. It includes a 10-inch, 400 lbs./in. spring and is sold as a pair.

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 GD401-10400B

Videos

How To: Installing QA1 GM Pro Coil Coilover Shock Systems

How To: Installing QA1 GM Pro Coil Coilover Shock Systems
Buick Grand National QA1 Suspension Install - G Body Coilovers - Shock - Control Arms - Sway Bar

Buick Grand National QA1 Suspension Install - G Body Coilovers - Shock - Control Arms - Sway Bar
Big Wheel Full Vehicle Kits | QA1

Big Wheel Full Vehicle Kits | QA1
UMI suspension and QA1 Coil-Over Installation G-body Buick Chevy Oldsmobile

UMI suspension and QA1 Coil-Over Installation G-body Buick Chevy Oldsmobile

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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