1998 Jeep Grand Cherokee Performance Engines

Keep Your 1998 Jeep Grand Cherokee 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 1998 Jeep Grand Cherokee looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Rocker Arms, Performance Engine Intake Manifold 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 26 reviews and a solid 4 star average, you can shop with confidence knowing other Jeep Grand Cherokee owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1998 Jeep Grand Cherokee Performance Engine at Advance Auto Parts is around $398.26, with a range that starts at $8.29 and goes up to $1,398.99. With 30 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Rocker Arm; 2.5L/4.0L/4.2L; 83-06 Jeep CJ/Wrangler YJ, Performance Cylinder Head Gasket, and Engine Valve Cover Gasket Set start at just $9.29 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 Oil Filters. At Advance Auto Parts, we’re here to help you keep your 1998 Jeep Grand Cherokee in peak condition, inside and out.

Find Your Specific 1998 Jeep Grand Cherokee Performance Engines

Looking for the perfect Performance Engine for your 1998 Jeep Grand Cherokee? 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 Grand Cherokee. Whether you’re driving a 1998 model or another popular model year like 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, and 2007, 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 1998 Jeep Grand Cherokee Performance Engines

FEL-PRO Performance – Performance Valve Cover Gasket Set (Part No.1607)

Performance Valve Cover Gasket Set

from

$18.99
Fel-Pro® Performance Gaskets deliver reliable sealing under grueling racing conditions.

Product Features:
  • Blue Stripe® performance cork-rubber gaskets use cork particles evenly distributed throughout a rubber binder resulting in a compressible gasket without leak paths.
  • Not intended for use in emission controlled vehicles.
See More

(2 reviews)
View Product

FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1608)

Engine Valve Cover Gasket Set

from

$37.49
Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
  • SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL-WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
See More
View Product

Omix – Rocker Arm; 2.5L/4.0L/4.2L; 83-06 Jeep CJ/Wrangler YJ (Part No.17408.06)

Rocker Arm; 2.5L/4.0L/4.2L; 83-06 Jeep CJ/Wrangler YJ

from

$9.29
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • Metal
  • OE Style
  • Direct Fit
See More
View Product

Omix – Rocker Arm Bridge; 258CI; 72-06 Jeep CJ/Wrangler YJ/TJ (Part No.17408.11)

Rocker Arm Bridge; 258CI; 72-06 Jeep CJ/Wrangler YJ/TJ

from

$6.49
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • Metal
  • OE Style
  • Direct Fit
See More
View Product

FEL-PRO Performance – Performance Cylinder Head Gasket (Part No.1008)

Performance Cylinder Head Gasket

from

$44.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions.

Product Features:
  • Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
  • Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
  • Raises combustion sealing force to roughly three times that of standard head gaskets.
  • Steel wire rings for the greatest combustion seal strength.
  • Not intended for use in emission controlled vehicles.
See More
View Product

Omix – Cylinder Head Gasket; 4.0L; 91-95 Jeep Models (Part No.17446.05)

Cylinder Head Gasket; 4.0L; 91-95 Jeep Models

from

$38.49
Is your Jeep’s cylinder head gasket leaking? Or, are you rebuilding an engine and need a fresh gasket? Omix-ADA offers high-quality replacement cylinder head gaskets that will give you years of service and get you back on the road.

Product Features:
  • Composite
  • OE Style
  • Direct Fit
See More
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

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

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

Competition Cams – Mutha’ Thumpr 235/249 Hydraulic Roller Cam (Part No.20-601-9)

Mutha' Thumpr 235/249 Hydraulic Roller Cam

from

$531.99
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.

Product Features:
  • Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
  • Best with aftermarket converters and more rear gear.
  • Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.
See More
View Product

Competition Cams – High Energy 218/218 Hydraulic Flat Cam (Part No.20-212-2)

High Energy 218/218 Hydraulic Flat Cam

from

$257.99
Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications.

Product Features:
  • Good blend of efficiency and performance.
  • Perfect choice for performance street rebuilds.
  • Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.
See More
View Product

Competition Cams – High Energy 206/206 Hydraulic Flat Cam (Part No.20-208-2)

High Energy 206/206 Hydraulic Flat Cam

from

$436.99
Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications.

Product Features:
  • Good blend of efficiency and performance.
  • Perfect choice for performance street rebuilds.
  • Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.
See More
View Product

Competition Cams – Xtreme Energy 218/224 Hydraulic Flat Cam K-Kit (Part No.K20-222-3)

Xtreme Energy 218/224 Hydraulic Flat Cam K-Kit

from

$578.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.

Product Features:
  • Excellent performance in street carbureted applications.
  • More vacuum allows an increase in duration for improved performance and assists power brakes.
  • Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
  • Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
See More
View Product

Competition Cams – High Energy 206/206 Hydraulic Flat Cam and Lifter Kit (Part No.CL20-208-2)

High Energy 206/206 Hydraulic Flat Cam and Lifter Kit

from

$970.99
Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications.

Product Features:
  • Good blend of efficiency and performance.
  • Perfect choice for performance street rebuilds.
  • Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.
See More
View Product

Competition Cams – High Energy 218/218 Hydraulic Flat Cam K-Kit (Part No.K20-212-2)

High Energy 218/218 Hydraulic Flat Cam K-Kit

from

$1398.99
Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications.

Product Features:
  • Good blend of efficiency and performance.
  • Perfect choice for performance street rebuilds.
  • Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.
See More
View Product

Omix – Timing Chain Kit; 5.9L/6.6L; 79-91 Jeep SJ (Part No.17452.08)

Timing Chain Kit; 5.9L/6.6L; 79-91 Jeep SJ

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:
  • 3 Piece Kit
  • OE Style
  • Direct Fit
See More
View Product

Omix – Timing Chain; 4.0L; 94-06 Jeep Wrangler (Part No.17453.10)

Timing Chain; 4.0L; 94-06 Jeep Wrangler

from

$47.49
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.

Product Features:
  • OE Style
  • Direct Fit
See More
View Product

Omix – Piston Std; 2.5L/4.0L (Part No.17427.07)

Piston Std; 2.5L/4.0L

from

$73.99
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:
  • Standard
  • OE Style
  • Direct Fit
See More
View Product

Omix – Piston; .010; 2.5L/4.0L (Part No.17427.11)

Piston; .010; 2.5L/4.0L

from

$73.99
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:
  • .010 Over
  • Engine Work May Be Required To Install This Part
See More
View Product

Omix – Piston; 2.5L/4.0L (Part No.17427.12)

Piston; 2.5L/4.0L

from

$101.99
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:
  • Standard
  • OE Style
  • Direct Fit
See More
View Product

Edelbrock – Intake Manifold Gasket for 1992-Later Chrysler Magnum engines (Part No.7277)

Intake Manifold Gasket for 1992-Later Chrysler Magnum engines

from

$29.99
Product Features:
  • Clean Positive Seal
  • Embossed Silicone Bead Surrounding The Port
  • Matched To Manifolds And Cylinder Heads
See More
View Product

Most Popular Performance Engine Rocker Arm for 1998 Jeep Grand Cherokees

Enhance your 1998 Jeep Grand Cherokee with this popular Performance Engine Rocker Arm we have in stock, for $9.29.
show more show less

Omix – Rocker Arm; 2.5L/4.0L/4.2L; 83-06 Jeep CJ/Wrangler YJ (Part No.17408.06)

Rocker Arm; 2.5L/4.0L/4.2L; 83-06 Jeep CJ/Wrangler YJ

from

$9.29
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • Metal
  • OE Style
  • Direct Fit
See More
View Product

Best-Selling 1998 Jeep Grand Cherokee Performance Engine Intake Manifold Gasket

Upgrade your Grand Cherokee with our best-selling Performance Engine Intake Manifold Gasket.
show more show less

Edelbrock – Intake Manifold Gasket for 1992-Later Chrysler Magnum engines (Part No.7277)

Intake Manifold Gasket for 1992-Later Chrysler Magnum engines

from

$29.99
Product Features:
  • Clean Positive Seal
  • Embossed Silicone Bead Surrounding The Port
  • Matched To Manifolds And Cylinder Heads
See More
View Product

Top-Quality Performance Engine Coolant Thermostats for 1998 Jeep Grand Cherokees

Choose a high-quality OEM or aftermarket Performance Engine Coolant Thermostat for Jeep Grand Cherokees and enjoy top-notch performance from $8.29.
show more show less

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

Top Picks for 1998 Jeep Grand Cherokee Performance Engine Valve Cover Gasket Sets

Invest in one of our 2 durable Performance Engine Valve Cover Gasket Sets for your 1998 Jeep, knowing you’re getting trusted brands and expert craftsmanship.
show more show less

FEL-PRO Performance – Performance Valve Cover Gasket Set (Part No.1607)

Performance Valve Cover Gasket Set

from

$18.99
Fel-Pro® Performance Gaskets deliver reliable sealing under grueling racing conditions.

Product Features:
  • Blue Stripe® performance cork-rubber gaskets use cork particles evenly distributed throughout a rubber binder resulting in a compressible gasket without leak paths.
  • Not intended for use in emission controlled vehicles.
See More

(2 reviews)
View Product

FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1608)

Engine Valve Cover Gasket Set

from

$37.49
Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
  • SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL-WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
See More
View Product

Our Performance Engine Cylinder Head Gaskets for 1998 Jeep Grand Cherokees

Make a smart move for your 1998 Jeep Grand Cherokee with our Performance Engine Cylinder Head Gasket for $44.99.
show more show less

FEL-PRO Performance – Performance Cylinder Head Gasket (Part No.1008)

Performance Cylinder Head Gasket

from

$44.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions.

Product Features:
  • Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
  • Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
  • Raises combustion sealing force to roughly three times that of standard head gaskets.
  • Steel wire rings for the greatest combustion seal strength.
  • Not intended for use in emission controlled vehicles.
See More
View Product

Top-Rated Performance Engine Brands For Your 1998 Jeep Grand Cherokee

When it comes to finding the perfect Performance Engine for your 1998 Jeep Grand Cherokee, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 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 1998 Jeep Grand Cherokee, providing peace of mind with parts that meet or exceed OEM standards.

Popular Omix 1998 Jeep Grand Cherokee Performance Engines

If you’re looking for a top-quality Performance Engine for your 1998 Jeep Grand Cherokee, 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 1998 Jeep Grand Cherokee 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 1998 Jeep Grand Cherokee Performance Engines

What are the best-selling Performance Engines for 1998 Jeep Grand Cherokees?

Out of 30 Performance Engines that fit 1998 Jeep Grand Cherokees, the following parts are the top sellers:

What’s the price range for 1998 Jeep Grand Cherokee Performance Engines?

The prices of Performance Engines for the 1998 Jeep Grand Cherokee range from $8.29 up to $1,398.99 for the most premium parts.

What is the average price of a Performance Engine for a 1998 Jeep Grand Cherokee?

The average price for Performance Engines for the 1998 Jeep Grand Cherokee is $398.26. 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 Grand Cherokee model years?

Yes, we carry Performance Engines for 13 model years of Jeep Grand Cherokees between 1993 and 2007. The following model years are the most popular for Performance Engine purchases: 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, and 1999.

What are the cheapest Performance Engines for my 1998 Jeep Grand Cherokee?

The cheapest 1998 Jeep Grand Cherokee Performance Engines we carry are:

Does Advance Auto Parts sell Performance Engines for any other 1998 Jeep models?

Yes. We stock Performance Engines for 1 other popular 1998 Jeep models. Some of the most popular are 1998 Cherokee Performance Engines and 1998 Wrangler Performance Engines.

What are the top-rated Performance Engines that fit the 1998 Jeep Grand Cherokee?

The one 1998 Jeep Grand Cherokee Performance Engine we have in stock is the Thermostat 180 Degree; 41-71 Willys/Jeep Models. It is rated 5 stars and costs $8.29.

What types of Performance Engines do you sell for my 1998 Jeep Grand Cherokee?

As of 11/2/25, these are some of the most in-demand types of Performance Engines for a 1998 Jeep Grand Cherokee:

Can I get help with 1998 Jeep Grand Cherokee 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 Grand Cherokee Performance Engines?

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

More Popular Parts for All Makes