1984 AMC Eagle Performance Engines
Keep Your 1984 AMC Eagle 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 1984 AMC Eagle looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Camshafts, Performance Engine Camshaft and Lifter Kits, and Performance Engine Valve Spring Retainer. 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 1984 AMC Eagle Performance Engine at Advance Auto Parts is around $285.14, with a range that starts at $10.99 and goes up to $831.99. With 16 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like High Performance Thermostat, ENGINE TIMING SET, and Xtreme 4X4 218/226 Hydraulic Flat Cam and Lifter Kit for AMC/Jeep 199-258/4.0L start at just $31.99 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 Oil Filters and Performance Radiators. At Advance Auto Parts, we’re here to help you keep your 1984 AMC Eagle in peak condition, inside and out.
Find Your Specific 1984 AMC Eagle Performance Engines
Looking for the perfect Performance Engine for your 1984 AMC Eagle? 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 Eagle. Whether you’re driving a 1984 model or another popular model year like
1980,
1981,
1982,
1983,
1985,
1986,
1987, and
1988, 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 1984 AMC Eagle Performance Engines
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
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
Popular 1984 AMC Eagle Performance Engines Categories
Most Popular Performance Engine Camshafts for 1984 AMC Eagles
Enhance your 1984 AMC Eagle with one of the 3 Performance Engine Camshafts we have in stock, starting at just $426.99.
Competition Cams – Xtreme 4X4 210/218 Hydraulic Flat Cam for AMC/Jeep 199-258/4.0L (Part No.68-235-4)
from
$458.99
Xtreme 4X4 210/218 Hydraulic Flat Cam for AMC/Jeep 199-258/4.0L
Competition Cams – Xtreme 4X4 218/226 Hydraulic Flat Cam for AMC/Jeep 199-258/4.0L (Part No.68-239-4)
from
$426.99
Xtreme 4X4 218/226 Hydraulic Flat Cam for AMC/Jeep 199-258/4.0L
Competition Cams – Xtreme 4X4 206/214 Hydraulic Flat Cam for AMC/Jeep 199-258/4.0L (Part No.68-231-4)
from
$426.99
Xtreme 4X4 206/214 Hydraulic Flat Cam for AMC/Jeep 199-258/4.0L
Best-Selling 1984 AMC Eagle Performance Engine Camshaft and Lifter Kits
Upgrade your Eagle with one of our 5 best-selling Performance Engine Camshaft and Lifter Kits.
Competition Cams – Xtreme 4X4 206/214 Hydraulic Flat Cam K-Kit for AMC/Jeep 199-258/4.0L (Part No.K68-231-4)
from
$831.99
Xtreme 4X4 206/214 Hydraulic Flat Cam K-Kit for AMC/Jeep 199-258/4.0L
Competition Cams – Xtreme 4X4 210/218 Hydraulic Flat Cam K-Kit for AMC/Jeep 199-258/4.0L (Part No.K68-235-4)
from
$806.99
Xtreme 4X4 210/218 Hydraulic Flat Cam K-Kit for AMC/Jeep 199-258/4.0L
Competition Cams – Thumpr 227/241 Hydraulic Flat Cam and Lifter Kit for AMC 290-401 (Part No.CL10-600-5)
from
$656.99
Thumpr 227/241 Hydraulic Flat Cam and Lifter Kit for AMC 290-401
Competition Cams – Xtreme 4X4 206/214 Hydraulic Flat Cam and Lifter Kit for AMC/Jeep 199-258/4.0L (Part No.CL68-231-4)
from
$559.99
Xtreme 4X4 206/214 Hydraulic Flat Cam and Lifter Kit for AMC/Jeep 199-258/4.0L
Competition Cams – Xtreme 4X4 218/226 Hydraulic Flat Cam and Lifter Kit for AMC/Jeep 199-258/4.0L (Part No.CL68-239-4)
from
$526.99
Xtreme 4X4 218/226 Hydraulic Flat Cam and Lifter Kit for AMC/Jeep 199-258/4.0L
Top-Quality Performance Engine Valve Spring Retainer for 1984 AMC Eagles
Choose a high-quality OEM or aftermarket Performance Engine Valve Spring Retainer for AMC Eagles and enjoy top-notch performance from $10.99.
Competition Cams – 7 Degree Steel Retainer Set of 12 for 3/8" Valve with 1.437"-1.500" Spring (Part No.744-12)
from
$61.99
7 Degree Steel Retainer Set of 12 for 3/8" Valve with 1.437"-1.500" Spring
Competition Cams – 7 Degree Steel Retainer for 3/8" Valve with 1.437"-1.500" Spring (Part No.744-1)
from
$10.99
7 Degree Steel Retainer for 3/8" Valve with 1.437"-1.500" Spring
Top Picks for 1984 AMC Eagle Performance Engine Coolant Thermostats
Invest in one of our 3 durable Performance Engine Coolant Thermostats for your 1984 AMC, knowing you’re getting trusted brands and expert craftsmanship.
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 Performance Engine Timing Sets and Components for 1984 AMC Eagles
Make a smart move for your 1984 AMC Eagle with our Performance Engine Timing Sets and Component for $64.99.
Competition Cams – ENGINE TIMING SET (Part No.3219)
from
$64.99
ENGINE TIMING SET
FAQs for 1984 AMC Eagle Performance Engines
What are the best-selling Performance Engines for 1984 AMC Eagles?
Out of 16 Performance Engines that fit 1984 AMC Eagles, the following parts are the top sellers:
- High Performance Thermostat (22903641) – $31.99
- ENGINE TIMING SET (50288716) – $64.99
- Xtreme 4X4 218/226 Hydraulic Flat Cam and Lifter Kit for AMC/Jeep 199-258/4.0L (50287084) – $526.99
What’s the price range for 1984 AMC Eagle Performance Engines?
The prices of Performance Engines for the 1984 AMC Eagle range from $10.99 up to $831.99 for the most premium parts.
What is the average price of a Performance Engine for a 1984 AMC Eagle?
The average price for Performance Engines for the 1984 AMC Eagle is $285.14. 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 AMC Eagle model years?
What are the cheapest Performance Engines for my 1984 AMC Eagle?
The cheapest 1984 AMC Eagle Performance Engines we carry are:
- 7 Degree Steel Retainer for 3/8" Valve with 1.437"-1.500" Spring (50289111) – $10.99
- High Energy Hydraulic Flat Lifter for AMC 199-258 and Chrysler 273-360/383-440 (50289523) – $13.99
- Pro Magnum Hydraulic Lifter for AMC 199-258, 290-401, Chrysler 273-360/383-440 (50286582) – $14.99
- High Performance Thermostat – 160 Degree Brass & Copper (17360031) – $29.49
- High Performance 180 Degree Thermostat for Increased Flow (17360033) – $29.99
What are the top-rated Performance Engines that fit the 1984 AMC Eagle?
The one 1984 AMC Eagle Performance Engine we have in stock is the 7 Degree Steel Retainer for 3/8" Valve with 1.437"-1.500" Spring. It costs $10.99.
What types of Performance Engines do you sell for my 1984 AMC Eagle?
As of 11/2/25, these are some of the most in-demand types of Performance Engines for a 1984 AMC Eagle:
Can I get help with 1984 AMC Eagle 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 Eagle Performance Engines?
Advance Auto Parts keeps returns simple. For new AMC Eagle Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.