1968 Jeep CJ6 Performance Engines

Keep Your 1968 Jeep CJ6 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 1968 Jeep CJ6 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Oil Pan Gaskets, Performance Engine Valve Cover Gasket Sets, and Performance Water Outlets. 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 104 reviews and a solid 4 star average, you can shop with confidence knowing other Jeep CJ6 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1968 Jeep CJ6 Performance Engine at Advance Auto Parts is around $75.45, with a range that starts at $4.79 and goes up to $401.99. With 18 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like High Performance Thermostat, Thermostat Housing; 134CI F-Head; 52-71 Jeep CJ Models, and Thermostat Gasket; 134CI F-Head; 52-71 Jeep CJ Models 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 Distributors and Performance Fuel Systems. At Advance Auto Parts, we’re here to help you keep your 1968 Jeep CJ6 in peak condition, inside and out.

Find Your Specific 1968 Jeep CJ6 Performance Engines

Looking for the perfect Performance Engine for your 1968 Jeep CJ6? 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 CJ6. Whether you’re driving a 1968 model or another popular model year like 1966, 1967, 1969, 1970, 1971, 1972, 1973, 1974, and 1975, 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 1968 Jeep CJ6 Performance Engines

Omix – Thermostat Gasket; 134CI F-Head; 52-71 Jeep CJ Models (Part No.17117.02)

Thermostat Gasket; 134CI F-Head; 52-71 Jeep CJ Models

from

$4.79
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • OE Style
  • Direct Fit
  • Highly Durable
  • Long Lasting
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Omix – Timing Chain (Part No.17453.06)

Timing Chain

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:
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
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Omix – Oil Pan Gasket (Part No.17439.08)

Oil Pan Gasket

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:
  • Cork
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
See More
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Omix – Valve Cover Gasket; 6 Cylinder; 65-80 Jeep CJ/SJ (Part No.17447.02)

Valve Cover Gasket; 6 Cylinder; 65-80 Jeep CJ/SJ

from

$13.29
Is your Jeep’s valve cover gasket leaking? Or, are you rebuilding an engine and need a fresh gasket? Omix-ADA offers high-quality replacement gaskets that will give you years of service and get you back on the road.

Product Features:
  • Cork
  • OE Style
  • Direct Fit
See More
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Omix – Engine Tappet Cover Gasket; 134CI; 46-53 Willys CJ Models (Part No.17450.07)

Engine Tappet Cover Gasket; 134CI; 46-53 Willys CJ Models

from

$10.49
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • Cork
  • OE Style
  • Direct Fit
See More
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Omix – Piston; .060; 134CI (Part No.17427.05)

Piston; .060; 134CI

from

$88.99
Are you rebuilding an engine and need a fresh set of pistons? Omix-ADA offers high-quality replacement pistons from Standard to .080 thousandths over size. Wrist pins included. They will give you years of service and get you back on the road. Sold individually.

Product Features:
  • .060 Over
  • Engine Work May Be Required To Install This Part
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Omix – Piston; .040; 134CI (Part No.17427.04)

Piston; .040; 134CI

from

$88.99
Are you rebuilding an engine and need a fresh set of pistons? Omix-ADA offers high-quality replacement pistons from Standard to .080 thousandths over size. Wrist pins included. They will give you years of service and get you back on the road. Sold individually.

Product Features:
  • .040 Over
  • Engine Work May Be Required To Install This Part
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Omix – Piston; .020; 134CI (Part No.17427.02)

Piston; .020; 134CI

from

$97.99
Are you rebuilding an engine and need a fresh set of pistons? Omix-ADA offers high-quality replacement pistons from Standard to .080 thousandths over size. Wrist pins included. They will give you years of service and get you back on the road. Sold individually.

Product Features:
  • .020 Over
  • Engine Work May Be Required To Install This Part
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Omix – Piston Ring Set (Part No.17430.04)

Piston Ring Set

from

$54.99
Are you rebuilding an engine and need a fresh set of piston rings? Omix-ADA offers high-quality replacement piston ring sets from Standard to .080 thousandths over size. They will give you years of service and get you back on the road.

Product Features:
  • .040 Over
  • Engine Work May Be Required To Install This Part
  • Limited 5 Year Warranty
See More
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Omix – Piston Ring Set .030 3.8L/4.2L; 72-90 Jeep CJ/Wrangler YJ (Part No.17430.21)

Piston Ring Set .030 3.8L/4.2L; 72-90 Jeep CJ/Wrangler YJ

from

$111.99
Are you rebuilding an engine and need a fresh set of piston rings? Omix-ADA offers high-quality replacement piston ring sets from Standard to .080 thousandths over size. They will give you years of service and get you back on the road.

Product Features:
  • .030 Over
  • Engine Work May Be Required To Install This Part
See More
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Omix – Piston Ring Set (Part No.17430.22)

Piston Ring Set

from

$98.99
Are you rebuilding an engine and need a fresh set of piston rings? Omix-ADA offers high-quality replacement piston ring sets from Standard to .080 thousandths over size. They will give you years of service and get you back on the road.

Product Features:
  • .040 Over
  • Engine Work May Be Required To Install This Part
  • Limited 5 Year Warranty
See More
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Omix – Piston Ring Set Std; AMC; 304CI; 71-75 Jeep CJ Models (Part No.17430.28)

Piston Ring Set Std; AMC; 304CI; 71-75 Jeep CJ Models

from

$145.99
Are you rebuilding an engine and need a fresh set of piston rings? Omix-ADA offers high-quality replacement piston ring sets from Standard to .080 thousandths over size. They will give you years of service and get you back on the road.

Product Features:
  • Standard
  • OE Style
  • Direct Fit
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Omix – Oil Pump; 45-71 Willys/Jeep Models (Part No.17433.02)

Oil Pump; 45-71 Willys/Jeep Models

from

$401.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • Metal
  • OE Style
  • Direct Fit
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Omix – Thermostat Housing; 134CI F-Head; 52-71 Jeep CJ Models (Part No.17118.01)

Thermostat Housing; 134CI F-Head; 52-71 Jeep CJ Models

from

$10.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • OE Style
  • Direct Fit
  • Highly Durable
  • Long Lasting
See More
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Omix – Camshaft; 134CI F-Head; 52-71 Jeep CJ Models (Part No.17421.03)

Camshaft; 134CI F-Head; 52-71 Jeep CJ Models

from

$235.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • Made To OE Spec
  • Direct Fit
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Omix – Camshaft (Part No.17421.07)

Camshaft

from

$175.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA. Limited five year Manufacturer’s warranty.

Product Features:
  • Made To OE Spec
  • Direct Fit
  • Limited 5 Year Warranty
See More
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Omix – Thermostat 180 Degree; 41-71 Willys/Jeep Models (Part No.17106.02)

Thermostat 180 Degree; 41-71 Willys/Jeep Models

from

$8.29
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • OE Style
  • Direct Fit
  • Steel
  • Better Flow Control
See More

(2 reviews)
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Mr. Gasket – High Performance Thermostat (Part No.4365)

High Performance Thermostat

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:
  • 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
See More
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Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)

High Performance 180 Degree Thermostat for Increased Flow

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:
  • 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
See More

(20 reviews)
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Mr. Gasket – High Performance Thermostat – 160 Degree Brass & Copper (Part No.4363)

High Performance Thermostat - 160 Degree Brass & Copper

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:
  • 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
See More

(12 reviews)
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Most Popular Performance Engine Oil Pan Gasket for 1968 Jeep CJ6s

Enhance your 1968 Jeep CJ6 with this popular Performance Engine Oil Pan Gasket we have in stock, for $16.99.
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Omix – Oil Pan Gasket (Part No.17439.08)

Oil Pan Gasket

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:
  • Cork
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
See More
View Product

Best-Selling 1968 Jeep CJ6 Performance Engine Valve Cover Gasket Set

Upgrade your CJ6 with our best-selling Performance Engine Valve Cover Gasket Set.
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Omix – Engine Tappet Cover Gasket; 134CI; 46-53 Willys CJ Models (Part No.17450.07)

Engine Tappet Cover Gasket; 134CI; 46-53 Willys CJ Models

from

$10.49
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • Cork
  • OE Style
  • Direct Fit
See More
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Top-Quality Performance Water Outlets for 1968 Jeep CJ6s

Choose a high-quality OEM or aftermarket Performance Water Outlet for Jeep CJ6s and enjoy top-notch performance from $10.99.
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Omix – Thermostat Housing; 134CI F-Head; 52-71 Jeep CJ Models (Part No.17118.01)

Thermostat Housing; 134CI F-Head; 52-71 Jeep CJ Models

from

$10.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • OE Style
  • Direct Fit
  • Highly Durable
  • Long Lasting
See More
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Top Picks for 1968 Jeep CJ6 Performance Engine Coolant Thermostats

Invest in one of our 4 durable Performance Engine Coolant Thermostats for your 1968 Jeep, knowing you’re getting trusted brands and expert craftsmanship.
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Omix – Thermostat 180 Degree; 41-71 Willys/Jeep Models (Part No.17106.02)

Thermostat 180 Degree; 41-71 Willys/Jeep Models

from

$8.29
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • OE Style
  • Direct Fit
  • Steel
  • Better Flow Control
See More

(2 reviews)
View Product

Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)

High Performance 180 Degree Thermostat for Increased Flow

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:
  • 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
See More

(20 reviews)
View Product

Mr. Gasket – High Performance Thermostat – 160 Degree Brass & Copper (Part No.4363)

High Performance Thermostat - 160 Degree Brass & Copper

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:
  • 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
See More

(12 reviews)
View Product

Mr. Gasket – High Performance Thermostat (Part No.4365)

High Performance Thermostat

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:
  • 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
See More
View Product

Our Performance Water Outlet Gaskets for 1968 Jeep CJ6s

Make a smart move for your 1968 Jeep CJ6 with our Performance Water Outlet Gasket for $4.79.
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Omix – Thermostat Gasket; 134CI F-Head; 52-71 Jeep CJ Models (Part No.17117.02)

Thermostat Gasket; 134CI F-Head; 52-71 Jeep CJ Models

from

$4.79
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • OE Style
  • Direct Fit
  • Highly Durable
  • Long Lasting
See More
View Product

Top-Rated Performance Engine Brands For Your 1968 Jeep CJ6

When it comes to finding the perfect Performance Engine for your 1968 Jeep CJ6, 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 1968 Jeep CJ6, providing peace of mind with parts that meet or exceed OEM standards.

Popular Omix 1968 Jeep CJ6 Performance Engines

If you’re looking for a top-quality Performance Engine for your 1968 Jeep CJ6, 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 1968 Jeep CJ6 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.
Thermostat 180 Degree; 41-71 Willys/Jeep Models
from $8.29
(2)
Thermostat 180 Degree; 41-71 Willys/Jeep Models
“Product is great. Installing next weekend to my jeep”

FAQs for 1968 Jeep CJ6 Performance Engines

What are the best-selling Performance Engines for 1968 Jeep CJ6s?

Out of 18 Performance Engines that fit 1968 Jeep CJ6s, the following parts are the top sellers:

What’s the price range for 1968 Jeep CJ6 Performance Engines?

The prices of Performance Engines for the 1968 Jeep CJ6 range from $4.79 up to $401.99 for the most premium parts.

What is the average price of a Performance Engine for a 1968 Jeep CJ6?

The average price for Performance Engines for the 1968 Jeep CJ6 is $75.45. 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 CJ6 model years?

Yes, we carry Performance Engines for 15 model years of Jeep CJ6s between 1959 and 1975. The following model years are the most popular for Performance Engine purchases: 1975, 1974, 1973, 1972, 1971, 1970, 1969, 1967, and 1966.

What are the cheapest Performance Engines for my 1968 Jeep CJ6?

The cheapest 1968 Jeep CJ6 Performance Engines we carry are:

Does Advance Auto Parts sell Performance Engines for any other 1968 Jeep models?

Yes. We stock Performance Engines for 18 other popular 1968 Jeep models. Some of the most popular are 1968 Wagoneer Performance Engines, 1968 CJ5 Performance Engines, 1968 DJ5 Performance Engines, 1968 J-2600 Performance Engines, and 1968 J-2500 Performance Engines.

What types of Performance Engines do you sell for my 1968 Jeep CJ6?

As of 11/2/25, these are some of the most in-demand types of Performance Engines for a 1968 Jeep CJ6:

Can I get help with 1968 Jeep CJ6 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 CJ6 Performance Engines?

Advance Auto Parts keeps returns simple. For new Jeep CJ6 Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

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