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QA1 8MB375 Pro Coil Spring 3.5" ID 375 lbs Chrome Plated

(1974-1978 Ford Mustang II)

Manufacturer

Picture for manufacturer QA1 Precision Products

Part Number

8MB375
10 reviews
Sale Price

$104.95

1 left at this price

delivery box

Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The QA1 8MB375 Pro Coil Spring is a high-performance coil spring designed for precision suspension systems. This chrome-plated spring features a 3.5-inch inside diameter, an 8-inch free length, and a 375 lb/in spring rate, making it ideal for custom coilover applications and Pro Coil suspension systems.

Key Features:

  • 375 lb/in spring rate for precise suspension tuning
  • 8-inch free length with 3.5-inch inside diameter
  • Chrome-plated finish for corrosion resistance and professional appearance
  • First coil tapered for optimal load distribution
  • Manufactured from premium chrome silicon alloy for superior strength and durability
  • Lifetime warranty to remain within 5% of original free height under normal operating conditions

QA1 Pro Coil Springs are engineered with the highest quality materials to deliver consistent performance and extended service life. The chrome silicon construction provides excellent fatigue resistance, while the tapered first coil design ensures proper seating in coilover assemblies. These springs are precision-wound to exacting specifications, making them perfect for racing applications, street performance vehicles, and custom suspension builds where precise spring rates are critical.

Products specifications

Fits

1974-1978 Ford Mustang II

Coil-Over Spring Rate (lbs/in)

375 lbs./in.

Inside Diameter (in)

2.500 in.

Length

8

Length (in)

8.000 in.

Lower ID

2.5in

Notes

Spring tapers down to 2.5 inches.

Progressive Rate Spring

No

Quantity

Sold individually.

Spring Finish

Chrome plated

Spring Rate/In

375

Upper ID

3.5in

Prop 65

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

Title

QA1 Coil Spring 8MB375

Very good so far

I finally had time to install my part. The steering wheel hub was exactly what I needed at a great price and delivered promptly. Thanks for the great service.

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Great communication, super fast shipping, and product just as described. Very happy, thank you.

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I would not hesitate buy from Autoplicity again!!! A+++

Autoplicity had the best price anywhere! I looked everywhere for the airaid intake system and they had it in stock. Great company!

I bought this item for my fiance and he loves it! He was completely happy with the price we paid...

Excellent price on kirkey seats! I will be buying from them again. Thanks for the prompt service

Best prices on the web, shipping charges were as well, ordered on Tuesday received on Saturday of same week!!

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