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

QA1 Precision Products, Inc

QA1 2-1/2in ID Spring - 12in Length x 300lbs/in - Chrome Plated

$125.73

SKU: Q00B 12CS300

In Stock
In Stock
Ships by Jun 11
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The QA1 12CS300 is a 12-inch coilover spring with a 2-1/2 inch inner diameter and a spring rate of 300 lbs/in. Constructed from Chrome Silicon Steel and featuring a chrome-plated finish, this spring is designed for use with QA1 coil-over shocks and other standard 2.5-inch ID coil-over systems.

Adjusting coilover spring rates can be beneficial for various driving styles, from daily driving to track days and drifting, allowing you to unlock your vehicle's full performance potential.

Fitment

Fitment Guaranteed

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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 12CS300

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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