1973 AMC Javelin Performance Engines

Keep Your 1973 AMC Javelin 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 1973 AMC Javelin looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Coolant Thermostats, Performance Engine Oil Pan Gaskets, and Performance Engine Cylinder Head Gaskets. 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 Competition Cams. For example, Competition Cams Performance Engines start at just $33.99 with an average 4.1 star rating. With over 689 reviews and a solid 4 star average, you can shop with confidence knowing other AMC Javelin owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1973 AMC Javelin Performance Engine at Advance Auto Parts is around $278.91, with a range that starts at $7.99 and goes up to $1,414.99. With 45 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like High Performance Thermostat, Intake Manifold Bolt Set – Chevrolet Small Block – Socket Head 3/8"-16 X 1" Bolts & Washers, and Engine Gasket Set (Head / Intake / Exhaust / Valve Cover) for AMC/Jeep start at just $20.99 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 Distributors and Performance Fuel Systems. At Advance Auto Parts, we’re here to help you keep your 1973 AMC Javelin in peak condition, inside and out.

Essential 1973 AMC Javelin Performance Engines

Edelbrock – RPM AMC/ Jeep Cylinder Head With Exhaust Crossover Complete (Part No.60139)

RPM AMC/ Jeep Cylinder Head With Exhaust Crossover Complete

from

$1414.99
Product Features:
  • Complete Single For Flat Tappet (With Crossover Port)
  • 54cc Combustion Chamber Volume
  • 185cc Intake/70cc Exhaust Runner Volume
  • 2.02 in. Intake/1.6 in. Exhaust Valve Diameter
  • 0.625 in. Deck Thickness
See More

Mr. Gasket – Intake Manifold Bolt Set – Chevrolet Small Block – Socket Head 3/8"-16 X 1" Bolts & Washers (Part No.956G)

Intake Manifold Bolt Set - Chevrolet Small Block - Socket Head 3/8"-16 X 1" Bolts & Washers

from

$20.99
These grade 5 hex head bolts are brite zinc plated for protection and appearance. Hardened flat washers provide uniform torque & prevent galling on aluminum manifolds. Includes twelve (12) 3/8 inch-16 x 1 inch bolts & washers

Product Features:
  • Zinc plated to resist corrosion and provide a clean professional appearance
  • Made from Grade 5 steel for strength and durability
  • Flat washers provide uniform clamp load and prevent galling on aluminum intake manifolds
  • Allen (socket) Head
  • Zinc Plated For Protection
See More

Edelbrock – Pushrod Set for AMC 343-401 (Part No.9637)

Pushrod Set for AMC 343-401

from

$217.99
Product Features:
  • Case-Hardened Tubing
  • Surface Hardening
  • Welded Ends
  • 0.3125 in. Diameter
  • Use with or without Hardened Steel Guideplates
See More

B & M – Torque Converter, Tork Master 2400 (Part No.10417)

Torque Converter, Tork Master 2400

from

$449.99
A higher than stock stall speed as delivered by a B&M Converter will provide several advantages. The high stall converter allows the engine to launch the car at a higher RPM where more torque is available and increased strength.

Product Features:
  • New Precision Pump Drive Tube
  • Pressure Tested
  • Fully Balanced
  • Needle Thrust Bearing
  • New Thrust Washer
  • Washer Between Turbine and Cover
See More

B & M – Torque Converter, Holeshot 3000 (Part No.10425)

Torque Converter, Holeshot 3000

from

$999.99
The Holeshot Converter is a very good choice for the typical street machine that is looking for better launch capability and more strength. With a furnace brazed turbine, New turbine hub and dual pattern drive lugs on some Holeshots.

Product Features:
  • Furnace Brazed Impeller
  • Steel Alloy Pump Drive Tube
  • Heavy Duty Needle Bearing
  • Between Stator and Turbine
  • Furnace Brazed Turbine
See More

B & M – Torque Converter, Holeshot 2400 (Part No.10415)

Torque Converter, Holeshot 2400

from

$549.99
The Holeshot Converter is a very good choice for the typical street machine that is looking for better launch capability and more strength. With a furnace brazed turbine, New turbine hub and dual pattern drive lugs on some Holeshots.

Product Features:
  • Furnace Brazed Impeller
  • Steel Alloy Pump Drive Tube
  • Heavy Duty Needle Bearing
  • Between Stator and Turbine
  • Furnace Brazed Turbine
See More

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

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

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

Competition Cams – VALVE SEALS, TEFLON 3/8" 1 ST (Part No.505-16)

VALVE SEALS, TEFLON 3/8" 1 ST

from

$33.99
COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger-than-stock diameter spring is used, in the case of a double spring, the positive-stop Teflon seal is used. The umbrella seals require no machining, but with the Teflon seal it is necessary to disassemble the heads and machine the top of the guide with a special .530 diameter cutter. Whenever you are planning an engine overhaul or a cam change, don’t forget the valve seals.

Product Features:
  • Work with .530″ guides and 3/8″ valve stem diameter
  • Valve stem oil seals keep unwanted oil from entering the combustion chamber
  • Several different types of valve seals are offered
See More

Edelbrock – Engine Gasket Set (Head / Intake / Exhaust / Valve Cover) for AMC/Jeep (Part No.7372)

Engine Gasket Set (Head / Intake / Exhaust / Valve Cover) for AMC/Jeep

from

$179.99
The Edelbrock #7372?head gaskets provide the best sealing solution and are matched to Edelbrock cylinder heads for optimal performance. Edelbrock relies on industry leading head gasket manufactures to ensure our head gasket sets will provide the best fit

Product Features:
  • Head: 4.275″ Bore/0.045″ Thick/10.60cc Vol.
  • Intake: 1.13″x2.21″ Port/.030″ Thick
  • Exhaust: 1.80″x1.30″ Port
  • 3/16″ Valve Cover
  • Multi Piece Configuration
See More

Mr. Gasket – Oilpangasketset (Part No.890)

Oilpangasketset

from

$48.99
Manufactured from high-density cork/rubber blend gasket material. Provides excellent sealing and durability. Complete with molded rubber front/rear oil pan seals where applicable. For original equipment replacement and high performance street.

Product Features:
  • Manufactured from high-density cork /rubber blend gasket material
  • Provides excellent sealing and durability
  • Complete with molded rubber front/rear oil pan end seals where applicable
  • For OE replacement and high performance street use
See More

Most Popular Performance Engine Coolant Thermostats for 1973 AMC Javelins

Enhance your 1973 AMC Javelin with one of the 3 Performance Engine Coolant Thermostats we have in stock, starting at just $29.49.

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

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

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

Best-Selling 1973 AMC Javelin Performance Engine Oil Pan Gasket

Upgrade your Javelin with our best-selling Performance Engine Oil Pan Gasket.

Mr. Gasket – Oilpangasketset (Part No.890)

Oilpangasketset

from

$48.99
Manufactured from high-density cork/rubber blend gasket material. Provides excellent sealing and durability. Complete with molded rubber front/rear oil pan seals where applicable. For original equipment replacement and high performance street.

Product Features:
  • Manufactured from high-density cork /rubber blend gasket material
  • Provides excellent sealing and durability
  • Complete with molded rubber front/rear oil pan end seals where applicable
  • For OE replacement and high performance street use
See More

Top-Quality Performance Engine Cylinder Head Gaskets for 1973 AMC Javelins

Choose a high-quality OEM or aftermarket Performance Engine Cylinder Head Gasket for AMC Javelins and enjoy top-notch performance from $179.99.

Edelbrock – Engine Gasket Set (Head / Intake / Exhaust / Valve Cover) for AMC/Jeep (Part No.7372)

Engine Gasket Set (Head / Intake / Exhaust / Valve Cover) for AMC/Jeep

from

$179.99
The Edelbrock #7372?head gaskets provide the best sealing solution and are matched to Edelbrock cylinder heads for optimal performance. Edelbrock relies on industry leading head gasket manufactures to ensure our head gasket sets will provide the best fit

Product Features:
  • Head: 4.275″ Bore/0.045″ Thick/10.60cc Vol.
  • Intake: 1.13″x2.21″ Port/.030″ Thick
  • Exhaust: 1.80″x1.30″ Port
  • 3/16″ Valve Cover
  • Multi Piece Configuration
See More

Top Picks for 1973 AMC Javelin Performance Engine Rocker Arms

Invest in one of our 8 durable Performance Engine Rocker Arms for your 1973 AMC, knowing you’re getting trusted brands and expert craftsmanship.

Competition Cams – ENGINE ROCKER ARM (Part No.1832-16)

ENGINE ROCKER ARM

from

$649.99
ENGINE ROCKER ARM

Competition Cams – Magnum Rocker Arm and Pushrod Kit for AMC 290-401 (Part No.RPM1410-16)

Magnum Rocker Arm and Pushrod Kit for AMC 290-401

from

$517.99
Magnum Rocker Arm and Pushrod Kit for AMC 290-401

Competition Cams – ENGINE ROCKER ARM (Part No.17044-16)

ENGINE ROCKER ARM

from

$277.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1442-16)

ENGINE ROCKER ARM

from

$241.99
ENGINE ROCKER ARM

Competition Cams – HIGH ENRGY ALUM ROCK (Part No.17044-8)

HIGH ENRGY ALUM ROCK

from

$148.99
HIGH ENRGY ALUM ROCK

Competition Cams – ENGINE ROCKER ARM (Part No.1832-1)

ENGINE ROCKER ARM

from

$61.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1442-1)

ENGINE ROCKER ARM

from

$31.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.17044-1)

ENGINE ROCKER ARM

from

$27.99
ENGINE ROCKER ARM

Our Performance Intake Manifold Hardware for 1973 AMC Javelins

Make a smart move for your 1973 AMC Javelin with our Performance Intake Manifold Hardware for $20.99.

Mr. Gasket – Intake Manifold Bolt Set – Chevrolet Small Block – Socket Head 3/8"-16 X 1" Bolts & Washers (Part No.956G)

Intake Manifold Bolt Set - Chevrolet Small Block - Socket Head 3/8"-16 X 1" Bolts & Washers

from

$20.99
These grade 5 hex head bolts are brite zinc plated for protection and appearance. Hardened flat washers provide uniform torque & prevent galling on aluminum manifolds. Includes twelve (12) 3/8 inch-16 x 1 inch bolts & washers

Product Features:
  • Zinc plated to resist corrosion and provide a clean professional appearance
  • Made from Grade 5 steel for strength and durability
  • Flat washers provide uniform clamp load and prevent galling on aluminum intake manifolds
  • Allen (socket) Head
  • Zinc Plated For Protection
See More

Top-Rated Performance Engine Brands For Your 1973 AMC Javelin

When it comes to finding the perfect Performance Engine for your 1973 AMC Javelin, 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 Competition Cams, and more, all known for their exceptional customer ratings (average brand rating of 4.1 stars) and competitive prices, as low as $33.99. Purchasing a Performance Engine from us here at Advance Auto Parts is a smart move for both you and your 1973 AMC Javelin, providing peace of mind with parts that meet or exceed OEM standards.

Popular Competition Cams 1973 AMC Javelin Performance Engines

If you’re looking for a top-quality Performance Engine for your 1973 AMC Javelin, Advance Auto Parts has exactly what you need with our selection of Competition Cams Performance Engines. We have 1 Competition Cams Performance Engines in stock for this fitment, all known for their durability and precision fit. With prices starting at just $33.99, you’ll find the perfect Performance Engine for your needs and budget. Competition Cams Performance Engines for the 1973 AMC Javelin come highly rated, with over 1 customer reviews and an impressive average rating of 4.1 stars. Choosing a Competition Cams Performance Engine from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
VALVE SEALS, TEFLON 3/8" 1 ST
from $33.99
(1)
VALVE SEALS, TEFLON 3/8" 1 ST
“As good as OEM.”

FAQs for 1973 AMC Javelin Performance Engines

What are the best-selling Performance Engines for 1973 AMC Javelins?

Out of 45 Performance Engines that fit 1973 AMC Javelins, the following parts are the top sellers:

What’s the price range for 1973 AMC Javelin Performance Engines?

The prices of Performance Engines for the 1973 AMC Javelin range from $7.99 up to $1,414.99 for the most premium parts.

What is the average price of a Performance Engine for a 1973 AMC Javelin?

The average price for Performance Engines for the 1973 AMC Javelin is $278.91. 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 Javelin model years?

Yes, we carry Performance Engines for 5 model years of AMC Javelins between 1968 and 1974. The following model years are the most popular for Performance Engine purchases: 1974, 1972, 1971, 1970, 1969, and 1968.

What are the cheapest Performance Engines for my 1973 AMC Javelin?

The cheapest 1973 AMC Javelin Performance Engines we carry are:

Does Advance Auto Parts sell Performance Engines for any other 1973 AMC models?

Yes. We stock Performance Engines for 3 other popular 1973 AMC models. Some of the most popular are 1973 Gremlin Performance Engines, 1973 Hornet Performance Engines, 1973 Ambassador Performance Engines, and 1973 Matador Performance Engines.

What are the top-rated Performance Engines that fit the 1973 AMC Javelin?

The one 1973 AMC Javelin Performance Engine we have in stock is the High Energy 7.794" Long, 5/16" Diameter Pushrod. It costs $7.99.

What types of Performance Engines do you sell for my 1973 AMC Javelin?

As of 11/2/25, these are some of the most in-demand types of Performance Engines for a 1973 AMC Javelin:

Can I get help with 1973 AMC Javelin 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 Javelin Performance Engines?

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