1966 AMC American Performance Engines
Keep Your 1966 AMC American in Top Shape with Quality Performance Engines
Whether you’re repairing or upgrading your Performance Engine, using high-quality parts is key to keeping your 1966 AMC American looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Coolant Thermostats and Performance Intake Manifolds. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Competitive Prices and Extensive Inventory
The average price for a 1966 AMC American Performance Engine at Advance Auto Parts is around $30.52, with a range that starts at $18.79 and goes up to $39.29. With 3 options in stock from one trusted brand, finding the right fit is easy.
Explore Related Parts
While you’re upgrading or replacing your Performance Engine, don’t forget to check out other key components like Performance Ignition Products and Performance Radiators. At Advance Auto Parts, we’re here to help you keep your 1966 AMC American in peak condition, inside and out.
Find Your Specific 1966 AMC American Performance Engines
Looking for the perfect Performance Engine for your 1966 AMC American? You’re in the right place. Below, you’ll find links to various types of Performance Engines that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Performance Engines, ensuring durability and a precise fit for your AMC American. Whether you’re driving a 1966 model or another popular model year like
1967 and
1968, we’ve got you covered. Purchasing Performance Engines from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Performance Engines that fit your vehicle.
Essential 1966 AMC American Performance Engines
Mr. Gasket – Mr. Gasket Intake Manifold Bolt Set – Hex Head, 955G (Part No.955G)
from
$18.79
These grade 5 socket head bolts are zinc plated for protection and appearance. Hardened flat washers provide uniform torque & prevent galling on aluminum manifolds. Includes twelve (12) 3/8-16 x 1 inch bolts & washers.
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Mr. Gasket – Mr. Gasket Intake Manifold Bolt Set, 6091 (Part No.6091)
from
$39.29
These special Grade 8 intake manifold bolts feature a 12-point smaller-than-standard head and flange, and include special extra thick flat washers for optimum clamping pressures. They’re ideal for use where space is minimal, typical on larger runner race manifolds. These bolts and washers are bright zinc plated for protection and good looks.
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Mr. Gasket – Mr. Gasket High Performance Thermostat – 160 Degree Brass & Copper, 4363 (Part No.4363)
from
$31.99
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.
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Popular 1966 AMC American Performance Engines Categories
Most Popular Performance Engine Coolant Thermostat for 1966 AMC Americans
Enhance your 1966 AMC American with this popular Performance Engine Coolant Thermostat we have in stock, for $31.99.
Mr. Gasket – Mr. Gasket High Performance Thermostat – 160 Degree Brass & Copper, 4363 (Part No.4363)
from
$31.99
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.
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Best-Selling 1966 AMC American Performance Intake Manifolds
Upgrade your American with one of our 2 best-selling Performance Intake Manifolds, earning an average 4.25 stars rating across 17 reviews.
Mr. Gasket – Mr. Gasket Intake Manifold Bolt Set, 6091 (Part No.6091)
from
$39.29
These special Grade 8 intake manifold bolts feature a 12-point smaller-than-standard head and flange, and include special extra thick flat washers for optimum clamping pressures. They’re ideal for use where space is minimal, typical on larger runner race manifolds. These bolts and washers are bright zinc plated for protection and good looks.
See More
Mr. Gasket – Mr. Gasket Intake Manifold Bolt Set – Hex Head, 955G (Part No.955G)
from
$18.79
These grade 5 socket head bolts are zinc plated for protection and appearance. Hardened flat washers provide uniform torque & prevent galling on aluminum manifolds. Includes twelve (12) 3/8-16 x 1 inch bolts & washers.
See More
FAQs for 1966 AMC American Performance Engines
What’s the price range for 1966 AMC American Performance Engines?
The prices of Performance Engines for the 1966 AMC American range from $18.79 up to $39.29 for the most premium parts.
What is the average price of a Performance Engine for a 1966 AMC American?
The average price for Performance Engines for the 1966 AMC American is $30.52. Keep in mind the variety of part types within our Performance Engine category, where you are likely to find a wide range of prices across a variety of parts and components.
What are the cheapest Performance Engines for my 1966 AMC American?
The cheapest 1966 AMC American Performance Engines we carry are:
- Mr. Gasket Intake Manifold Bolt Set – Hex Head, 955G (6120970) – $18.79
- Mr. Gasket High Performance Thermostat – 160 Degree Brass & Copper, 4363 (17360031) – $31.99
- Mr. Gasket Intake Manifold Bolt Set, 6091 (17360381) – $39.29
Does Advance Auto Parts sell Performance Engines for any other 1966 AMC models?
Yes. We stock Performance Engines for 4 other popular 1966 AMC models. Some of the most popular are 1966 Ambassador Performance Engines, 1966 Rebel Performance Engines, 1966 Marlin Performance Engines, 1966 Classic Performance Engines, and 1966 Rogue Performance Engines.
What are the top-rated Performance Engines that fit the 1966 AMC American?
Based on 82 reviews by customers, our 1966 AMC American Performance Engines have an average customer rating of 4.1 stars. These are the highest-rated categories of Performance Engines for the 1966 AMC American and their top-rated products:
- Performance Intake Manifolds
- Mr. Gasket Intake Manifold Bolt Set, 6091 (17360381) – $39.29
- Mr. Gasket Intake Manifold Bolt Set – Hex Head, 955G (6120970) – $18.79
- Performance Engine Coolant Thermostats
- Mr. Gasket High Performance Thermostat – 160 Degree Brass & Copper, 4363 (17360031) – $31.99
What types of Performance Engines do you sell for my 1966 AMC American?
As of 8/2/26, these are some of the most in-demand types of Performance Engines for a 1966 AMC American:
Can I get help with 1966 AMC American Performance Engine orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about AMC Performance Engines and more.
What is your return policy for AMC American Performance Engines?
Advance Auto Parts keeps returns simple. For new AMC American Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.