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QA1 8CS350 Coil-Over Spring 2-1/2" ID 8" Free Length 350 lbs/in Chrome Plated

Manufacturer

Picture for manufacturer QA1 Precision Products

Part Number

8CS350
7 reviews
Sale Price

$95.95

In Stock (10+)

delivery box

Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The QA1 8CS350 is a chrome-plated coil-over spring featuring a 2.5" inside diameter, 8" free length, and a 350 lb/in spring rate. Designed for use with QA1 coil-over shocks and other standard 2.5" ID coil-over systems, this spring is an ideal choice for hot rods, street rods, and performance builds where both function and appearance matter.

Key Features:

  • Chrome Silicon Steel (CrS) construction — engineered for high strength, consistency, and long service life
  • Cold wound, heat treated, and shot peened — intensive manufacturing processes ensure accuracy, durability, and fatigue resistance
  • Squared and ground ends — both ends are precision ground to guarantee straight, consistent, and accurate operation
  • Chrome-plated finish — polished and plated for a bright, show-quality appearance
  • Length and rate markings — clearly stamped on the spring for quick and easy identification during installation
  • 2.5" inside diameter — fits QA1 coil-over shocks and other standard 2.5" ID coil-over applications
  • 350 lb/in spring rate — suited for a wide range of street and performance suspension setups
  • 8" free length — available alongside other lengths and rates to match your specific build requirements

Every QA1 spring is backed by a lifetime guarantee to remain within 2% of the original free height and rate under normal operating conditions, giving you lasting confidence in your suspension performance.

Products specifications

Coil-Over Spring Rate (lbs/in)

350 lbs./in.

Inside Diameter (in)

2.500 in.

Length

8

Length (in)

8.000 in.

Progressive Rate Spring

No

Quantity

Sold individually.

Spring Finish

Chrome plated

Spring Rate/In

350

Prop 65

WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov

Title

QA1 Coil Spring 8CS350

Found the parts I needed for my vehicle's TPMS system that I could not get anywhere else. They were a better price than any of the other online stores and got my order shipped out in a timely fashion.

Excellent business. This is my second purchase and there will be more! I ordered my parts over the holiday weekend and they mailed them the Tuesday after Labor Day. The absolute BEST pricing you will get. You will not find a lower price else ware. The shipping doesn't even take forever like most places you get great pricing. Communication is excellent, the site is very easy to use and navigate. I will be doing business with Autoplicity.com many more times and highly recommend them.

I was apprehensiveness at first to make a major purchase with Autoplicity due to their extremely low price and lack of reviews. I decided to take the chance and I am very glad I did. I made my order on a Monday morning at 0900 eastern time and my product arrived on Wednesday at 3pm. The item was exactly as described and the most astonishing part is that my purchase was released from the factory less than 45 days ago. I was expecting a model that had been sitting on a shelf for the last year and needed to be updated. That was not the case. I will definitely order from Autoplicity again in the future.

Best price I could find on the net and super fast shipping.

Very fast shipping, lowest prices on the web.

easy site to maneuver, fast checkout!

Fast shipping, good communication, a pleasure to do business with. I would definitely buy from again.

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