1966 Mercury S-55 Performance Valve Covers

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Keep Your 1966 Mercury S-55 in Top Shape with a Quality Performance Valve Cover

When it comes to maintaining or upgrading your 1966 Mercury S-55, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Performance Valve Cover for your S-55. We currently carry a top Performance Valve Cover in stock that is built to last. Whether you’re replacing a damaged Performance Valve Cover or looking to upgrade, our selection for the 1966 Mercury S-55 ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Performance Fuel Systems and Performance Ignition Products to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 1966 Mercury S-55 running smoothly and looking great.

Most Popular Performance Valve Cover for 1966 Mercury S-55s

Enhance your 1966 Mercury S-55 with this popular Performance Valve Cover we have in stock, for $101.99.

Mr. Gasket – Valve Cover (Part No.9412)

Valve Cover

from

$101.99
These Mr. Gasket chrome plated stamped steel valve covers have a flat smooth top, and internal baffles. Fits Ford 332,360,390,406,427,428. Sold as a pair.

Product Features:
  • Fits Ford big block (FE series)
  • Chrome plated steel construction
  • Sold as a pair
  • Long Lasting Durability
  • Cadmium Plated To Resist Corrosion
  • Easy Installation
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FAQs for 1966 Mercury S-55 Performance Valve Covers

What’s the price range for 1966 Mercury S-55 Performance Valve Covers?

We currently have just one Performance Valve Covers for the 1966 Mercury S-55 in stock: Valve Cover and it costs $101.99.

Does Advance Auto Parts sell Performance Valve Covers for any other 1966 Mercury models?

What types of Performance Valve Covers do you sell for my 1966 Mercury S-55?

We currently have just 1 Performance Valve Cover in stock for a 1966 Mercury S-55, and as of 3/1/26, it is a Performance Valve Cover.

Can I get help with 1966 Mercury S-55 Performance Valve Cover orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercury Performance Valve Covers and more.

What is your return policy for Mercury S-55 Performance Valve Covers?

Advance Auto Parts keeps returns simple. For new Mercury S-55 Performance Valve Covers and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.