1966 Jeep CJ5 Performance Engines
Keep Your 1966 Jeep CJ5 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 Jeep CJ5 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Timing Sets and Components, Performance Water Outlet Gaskets, and Performance Engine Coolant Thermostats. 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.
Top-Rated Performance Engines from Trusted Brands
Looking for a reliable Performance Engine? We’ve got you covered with options from brands you know and trust like Omix. For example, Omix Performance Engines start at just $8.29 with an average 4.3 star rating. With over 38 reviews and a solid 5 star average, you can shop with confidence knowing other Jeep CJ5 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1966 Jeep CJ5 Performance Engine at Advance Auto Parts is around $106.57, with a range that starts at $4.79 and goes up to $401.99. With 8 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like High Performance Thermostat, Thermostat Gasket; 134CI F-Head; 52-71 Jeep CJ Models, and Timing Chain start at just $4.79 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Performance Engine, don’t forget to check out other key components like Performance Fuel Systems and Performance Ignition Products. At Advance Auto Parts, we’re here to help you keep your 1966 Jeep CJ5 in peak condition, inside and out.
Find Your Specific 1966 Jeep CJ5 Performance Engines
Looking for the perfect Performance Engine for your 1966 Jeep CJ5? 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 Jeep CJ5. Whether you’re driving a 1966 model or another popular model year like
1975,
1976,
1977,
1978,
1979,
1980,
1981,
1982, and
1983, 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 Jeep CJ5 Performance Engines
Omix – Oil Pump; 45-71 Willys/Jeep Models (Part No.17433.02)
from
$401.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
See More
Product Features:
- Metal
- OE Style
- Direct Fit
Omix – Oil Pan Gasket (Part No.17439.08)
from
$16.99
Is your Jeep’s oil pan gasket leaking? Or, are you rebuilding an engine and need a fresh gasket? Omix-ADA offers high-quality replacement oil pan gaskets that will give you years of service and get you back on the road.
Product Features:
See More
Product Features:
- Cork
- OE Style
- Direct Fit
- Limited 5 Year Warranty
Mr. Gasket – High Performance Thermostat (Part No.4365)
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.
Product Features:
See More
Product Features:
- Opens At 195 Degrees
- Designed to Resist Large Variations of Coolant Pressure at High RPM
- Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
- For High Performance Street, Drag Race, and Oval Track
- Copper & Brass Construction – Resists Corrosion
- High Flow
Omix – Thermostat 180 Degree; 41-71 Willys/Jeep Models (Part No.17106.02)
from
$8.29
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
See More
Product Features:
- OE Style
- Direct Fit
- Steel
- Better Flow Control
Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)
from
$29.99
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.
Product Features:
See More
Product Features:
- Opens At 180 Degrees
- Designed to Resist Large Variations of Coolant Pressure at High RPM
- Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
- For High Performance Street, Drag Race, and Oval Track
- Copper & Brass Construction – Resists Corrosion
- High Flow
Mr. Gasket – High Performance Thermostat – 160 Degree Brass & Copper (Part No.4363)
from
$29.49
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.
Product Features:
See More
Product Features:
- Opens at 160 Degrees
- Designed to Resist Large Variations of Coolant Pressure at High RPM
- Fully opens at Correct Temperature Consistently Regardless of engine RPM
- For High Performance Street, Drag Race, and Oval Track
- Copper & Brass Construction – Resists Corrosion
- High Flow
Omix – Thermostat Gasket; 134CI F-Head; 52-71 Jeep CJ Models (Part No.17117.02)
from
$4.79
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
See More
Product Features:
- OE Style
- Direct Fit
- Highly Durable
- Long Lasting
Omix – Timing Chain (Part No.17453.06)
from
$36.49
Timing chains stretch over time. If left untouched, they can begin jumping teeth on the camshaft and crankshaft sprockets. This will change your timing and will do major damage to your Jeep’s engine. It is recommended that you change the timing chain and
Product Features:
See More
Product Features:
- OE Style
- Direct Fit
- Limited 5 Year Warranty
Omix – Timing Chain Kit; 5.9L/6.6L; 79-91 Jeep SJ (Part No.17452.08)
from
$87.99
Timing chains stretch over time. If left untouched, they can begin jumping teeth on the camshaft and crankshaft sprockets. This will change your timing and will do major damage to your Jeep’s engine. It is recommended that you change the timing chain.
Product Features:
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Product Features:
- 3 Piece Kit
- OE Style
- Direct Fit
Popular 1966 Jeep CJ5 Performance Engines Categories
Most Popular Performance Engine Timing Sets and Component for 1966 Jeep CJ5s
Enhance your 1966 Jeep CJ5 with this popular Performance Engine Timing Sets and Component we have in stock, for $36.49.
Omix – Timing Chain (Part No.17453.06)
from
$36.49
Timing chains stretch over time. If left untouched, they can begin jumping teeth on the camshaft and crankshaft sprockets. This will change your timing and will do major damage to your Jeep’s engine. It is recommended that you change the timing chain and
Product Features:
See More
Product Features:
- OE Style
- Direct Fit
- Limited 5 Year Warranty
Best-Selling 1966 Jeep CJ5 Performance Water Outlet Gasket
Upgrade your CJ5 with our best-selling Performance Water Outlet Gasket.
Omix – Thermostat Gasket; 134CI F-Head; 52-71 Jeep CJ Models (Part No.17117.02)
from
$4.79
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
See More
Product Features:
- OE Style
- Direct Fit
- Highly Durable
- Long Lasting
Top-Quality Performance Engine Coolant Thermostats for 1966 Jeep CJ5s
Choose a high-quality OEM or aftermarket Performance Engine Coolant Thermostat for Jeep CJ5s and enjoy top-notch performance from $8.29.
Omix – Thermostat 180 Degree; 41-71 Willys/Jeep Models (Part No.17106.02)
from
$8.29
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
See More
Product Features:
- OE Style
- Direct Fit
- Steel
- Better Flow Control
Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)
from
$29.99
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.
Product Features:
See More
Product Features:
- Opens At 180 Degrees
- Designed to Resist Large Variations of Coolant Pressure at High RPM
- Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
- For High Performance Street, Drag Race, and Oval Track
- Copper & Brass Construction – Resists Corrosion
- High Flow
Mr. Gasket – High Performance Thermostat – 160 Degree Brass & Copper (Part No.4363)
from
$29.49
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.
Product Features:
See More
Product Features:
- Opens at 160 Degrees
- Designed to Resist Large Variations of Coolant Pressure at High RPM
- Fully opens at Correct Temperature Consistently Regardless of engine RPM
- For High Performance Street, Drag Race, and Oval Track
- Copper & Brass Construction – Resists Corrosion
- High Flow
Mr. Gasket – High Performance Thermostat (Part No.4365)
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.
Product Features:
See More
Product Features:
- Opens At 195 Degrees
- Designed to Resist Large Variations of Coolant Pressure at High RPM
- Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
- For High Performance Street, Drag Race, and Oval Track
- Copper & Brass Construction – Resists Corrosion
- High Flow
Our Top Pick for a 1966 Jeep CJ5 Performance Engine Oil Pan Gasket
Invest in a
durable Performance Engine Oil Pan Gasket for your 1966 Jeep, knowing you’re getting trusted brands and expert craftsmanship.
Omix – Oil Pan Gasket (Part No.17439.08)
from
$16.99
Is your Jeep’s oil pan gasket leaking? Or, are you rebuilding an engine and need a fresh gasket? Omix-ADA offers high-quality replacement oil pan gaskets that will give you years of service and get you back on the road.
Product Features:
See More
Product Features:
- Cork
- OE Style
- Direct Fit
- Limited 5 Year Warranty
Our Performance Engine Oil Pumps for 1966 Jeep CJ5s
Make a smart move for your 1966 Jeep CJ5 with our Performance Engine Oil Pump for $401.99.
Omix – Oil Pump; 45-71 Willys/Jeep Models (Part No.17433.02)
from
$401.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
See More
Product Features:
- Metal
- OE Style
- Direct Fit
Top-Rated Performance Engine Brands For Your 1966 Jeep CJ5
When it comes to finding the perfect Performance Engine for your 1966 Jeep CJ5, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Performance Engine brands including Omix, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $8.29. Purchasing a Performance Engine from us here at Advance Auto Parts is a smart move for both you and your 1966 Jeep CJ5, providing peace of mind with parts that meet or exceed OEM standards.
Popular Omix 1966 Jeep CJ5 Performance Engines
If you’re looking for a top-quality Performance Engine for your 1966 Jeep CJ5, Advance Auto Parts has exactly what you need with our selection of Omix Performance Engines. We have 1 Omix Performance Engines in stock for this fitment, all known for their durability and precision fit. With prices starting at just $8.29, you’ll find the perfect Performance Engine for your needs and budget. Omix Performance Engines for the 1966 Jeep CJ5 come highly rated, with over 2 customer reviews and an impressive average rating of 4.3 stars. Choosing a Omix Performance Engine from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$8.29
(2)
Thermostat 180 Degree; 41-71 Willys/Jeep Models
“Product is great. Installing next weekend to my jeep”
FAQs for 1966 Jeep CJ5 Performance Engines
What are the best-selling Performance Engines for 1966 Jeep CJ5s?
Out of 8 Performance Engines that fit 1966 Jeep CJ5s, the following parts are the top sellers:
- High Performance Thermostat (22903641) – $31.99
- Thermostat Gasket; 134CI F-Head; 52-71 Jeep CJ Models (10185210) – $4.79
- Timing Chain (10946348) – $36.49
What’s the price range for 1966 Jeep CJ5 Performance Engines?
The prices of Performance Engines for the 1966 Jeep CJ5 range from $4.79 up to $401.99 for the most premium parts.
What is the average price of a Performance Engine for a 1966 Jeep CJ5?
The average price for Performance Engines for the 1966 Jeep CJ5 is $106.57. 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.
Does Advance Auto Parts sell Performance Engines for other Jeep CJ5 model years?
What are the cheapest Performance Engines for my 1966 Jeep CJ5?
The cheapest 1966 Jeep CJ5 Performance Engines we carry are:
- Thermostat Gasket; 134CI F-Head; 52-71 Jeep CJ Models (10185210) – $4.79
- Thermostat 180 Degree; 41-71 Willys/Jeep Models (10186688) – $8.29
- Oil Pan Gasket (10179325) – $16.99
- High Performance Thermostat – 160 Degree Brass & Copper (17360031) – $29.49
- High Performance 180 Degree Thermostat for Increased Flow (17360033) – $29.99
Does Advance Auto Parts sell Performance Engines for any other 1966 Jeep models?
Yes. We stock Performance Engines for 27 other popular 1966 Jeep models. Some of the most popular are 1966 Wagoneer Performance Engines, 1966 DJ5 Performance Engines, 1966 J-2600 Performance Engines, 1966 J-2500 Performance Engines, and 1966 CJ6 Performance Engines.
What are the top-rated Performance Engines that fit the 1966 Jeep CJ5?
The one 1966 Jeep CJ5 Performance Engine we have in stock is the Thermostat Gasket; 134CI F-Head; 52-71 Jeep CJ Models. It costs $4.79.
What types of Performance Engines do you sell for my 1966 Jeep CJ5?
As of 11/2/25, these are some of the most in-demand types of Performance Engines for a 1966 Jeep CJ5:
Can I get help with 1966 Jeep CJ5 Performance Engine orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Jeep Performance Engines and more.
What is your return policy for Jeep CJ5 Performance Engines?
Advance Auto Parts keeps returns simple. For new Jeep CJ5 Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.