1980 Cadillac Eldorado Performance Engines

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Keep Your 1980 Cadillac Eldorado 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 1980 Cadillac Eldorado 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 Intake Manifold Hardware, and Performance Engine Rocker Arms. 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 1980 Cadillac Eldorado Performance Engine at Advance Auto Parts is around $146.76, with a range that starts at $10.99 and goes up to $519.99. With 29 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Bolt Kit Intake Hex Head, High Performance Thermostat, and Water Neck; Olds start at just $10.99 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 Air Filters and Performance Distributors. At Advance Auto Parts, we’re here to help you keep your 1980 Cadillac Eldorado in peak condition, inside and out.

Essential 1980 Cadillac Eldorado Performance Engines

Spectre – Bolt Kit Intake Hex Head (Part No.4652)

Bolt Kit Intake Hex Head

from

$10.99
Spectre’s Intake Bolt and Washer Set is engineered to provide premium quality hardware for Chevrolet 265-400 and Chrysler 273-440 small block engines. Measuring 3/8 inch-16 by 1 inch, these grade 5 bolts feature a corrosion resistant zinc-plated finish and hex heads to ensure easy installation. This kit includes 12 bolts and washers.

Product Features:
  • Designed for Chevrolet 265-400 and Chrysler 273-440 small block engines
  • 3/8 inch-16 by 1 inch bolts
  • Kit includes 12 bolts and washers
  • Manufactured from high quality steel
  • Bolts feature hex heads
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Mr. Gasket – Ultra Seal: Harmonic Balancer Bolt/Washer Kit (Part No.7845)

Ultra Seal: Harmonic Balancer Bolt/Washer Kit

from

$32.49
Secure the harmonic balancer or dampener on your Chevy. Works on original equipment, high performance street, drag or circle track applications. Features a heat treated black oxide coated Grade 8 alloy steel bolt for strength with a tall hex head to prevent wrench from slipping. An extra thick parallel ground washer provides accurate, uniform torque, and a lock washer is also included.

Product Features:
  • Heat treated black oxide coated Grade 8 alloy steel
  • Tall hex head bolt to prevent wrench from slipping
  • Extra thick parallel ground washer provides accurate, uniform torque
  • Washers Provides More Accurate And Uniform Torque
  • Grade 8 Alloy Steel
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Mr. Gasket – High Performance Thermostat (Part No.4365)

High Performance Thermostat

from

$32.49
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 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
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Edelbrock – Water Pump Cartridge for Small-Block Chevy (Race Style) (Part No.8827)

Water Pump Cartridge for Small-Block Chevy (Race Style)

from

$457.99
Edelbrock #8827 Water Pump small block Chevy cartridge style race ideal to prevent overheating in street rods and street machines, as well as in tow rigs and motorhomes. Using state-of-the-art racing technology, Edelbrock has designed these “super cooling

Product Features:
  • Standard Impeller Rotation
  • 0.750 in. Pilot Shaft
  • 0.750 in. Ball/Ball Bearing
  • 5.8125 in. Block To Hub Height
  • Satin Finish
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Mr. Gasket – Water Neck (Part No.2557)

Water Neck

from

$32.49
Precision die cast, these water necks are first polished to a high luster, then chrome plated. Features an O-ring style seal to prevent water leaks. Comes with O-ring gasket and mounting bolts.

Product Features:
  • Complete with o-rings and mounting bolts
  • Features an o-ring style seal to prevent water leaks
  • Chrome plated
  • 1/2″ NPT port can be used for various coolant temp related sensors or switches
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Spectre – Water Neck; Olds (Part No.4733)

Water Neck; Olds

from

$26.99
Spectre’s Oldsmobile V8 water neck fits Oldsmobile 330, 350, 425 and 455 engines. This water neck has been designed around the OEM specifications and has a chrome plated finish for a lasting look that fits great. This water neck has an additional by-pass hose connection and includes the bolts.

Product Features:
  • Fits Oldsmobile 330, 350, 425 and 455 engines
  • Chrome plated
  • Bolts included
  • Designed for OEM fit
  • Easy to install
  • O-ring/gasket not included
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Mr. Gasket – Ultra Seal: Head Gasket (Part No.5799G)

Ultra Seal: Head Gasket

from

$81.99
Mr. Gasket Ultra-Seal Head Gaskets are a five layer (graphite core/perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn-out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads, they will not brinell (indent) aluminum cylinder heads. Suitable for high performance street, drag race and oval track use. Sold individually.brbrGasket Bore 4.130 inch, Compressed thickness 0.055 inch

Product Features:
  • Five layer (graphite core/perforated steel outer layers) composite construction
  • Graphite core is excellent transfering heat away from hot spots in head preventing gasket burn-out.
  • Provides excellent stability, compressibility and high temperature endurance
  • Coated with high temperature silicone to ensure sealing of engine fluids
  • Will not brinell (indent) aluminum cylinder heads
  • For high performance street, drag race and oval track use
  • Compatible w/High Octane Fuel
  • Compatible With Exotic Fuel
See More

Mr. Gasket – Ultra Seal: Head Gasket (Part No.5788G)

Ultra Seal: Head Gasket

from

$89.99
Mr. Gasket Ultra-Seal Head Gaskets are a five layer (graphite core/perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn-out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads, they will not brinell (indent) aluminum cylinder heads. Suitable for high performance street, drag race and oval track use. Sold individually.brbrGasket Bore 4.230 inch, Compressed thickness 0.038 inch

Product Features:
  • Five layer (graphite core/perforated steel outer layers) composite construction
  • Graphite core has excellent thermo-conductivity-transfers heat away from hot spots in head preventing gasket burn-out
  • Provides excellent stability, compressibility and high temperature endurance
  • Coated with high temperature silicone to ensure sealing of engine fluids
  • Will not brinell (indent) aluminum cylinder heads
  • For high performance street, drag race and oval track use
  • Compatible w/High Octane Fuel
  • Compatible With Exotic Fuel
See More

FEL-PRO Performance – Performance Cylinder Head Gasket (Part No.1000)

Performance Cylinder Head Gasket

from

$61.99
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.
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Most Popular Performance Engine Coolant Thermostat for 1980 Cadillac Eldorados

Enhance your 1980 Cadillac Eldorado with this popular Performance Engine Coolant Thermostat we have in stock, for $32.49.

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

High Performance Thermostat

from

$32.49
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 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 1980 Cadillac Eldorado Performance Intake Manifold Hardware

Upgrade your Eldorado with our best-selling Performance Intake Manifold Hardware.

Spectre – Bolt Kit Intake Hex Head (Part No.4652)

Bolt Kit Intake Hex Head

from

$10.99
Spectre’s Intake Bolt and Washer Set is engineered to provide premium quality hardware for Chevrolet 265-400 and Chrysler 273-440 small block engines. Measuring 3/8 inch-16 by 1 inch, these grade 5 bolts feature a corrosion resistant zinc-plated finish and hex heads to ensure easy installation. This kit includes 12 bolts and washers.

Product Features:
  • Designed for Chevrolet 265-400 and Chrysler 273-440 small block engines
  • 3/8 inch-16 by 1 inch bolts
  • Kit includes 12 bolts and washers
  • Manufactured from high quality steel
  • Bolts feature hex heads
See More

Top-Quality Performance Engine Rocker Arms for 1980 Cadillac Eldorados

Choose a high-quality OEM or aftermarket Performance Engine Rocker Arm for Cadillac Eldorados and enjoy top-notch performance from $26.49.

Competition Cams – ENGINE ROCKER ARM (Part No.1602-16)

ENGINE ROCKER ARM

from

$519.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1601-16)

ENGINE ROCKER ARM

from

$519.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1608-8)

ENGINE ROCKER ARM

from

$283.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1610-8)

ENGINE ROCKER ARM

from

$283.99
ENGINE ROCKER ARM

Competition Cams – ROCKER ARMS, CS 1.52 (Part No.1604-8)

ROCKER ARMS, CS 1.52

from

$283.99
ROCKER ARMS, CS 1.52

Competition Cams – ENGINE ROCKER ARM (Part No.17005-16)

ENGINE ROCKER ARM

from

$277.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1607-8)

ENGINE ROCKER ARM

from

$277.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1609-8)

ENGINE ROCKER ARM

from

$277.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.17004-16)

ENGINE ROCKER ARM

from

$277.99
ENGINE ROCKER ARM

Competition Cams – HIGH ENERGY ALUM ROC (Part No.17005-8)

HIGH ENERGY ALUM ROC

from

$148.99
HIGH ENERGY ALUM ROC

Competition Cams – ENGINE ROCKER ARM (Part No.1806-1)

ENGINE ROCKER ARM

from

$66.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1807-1)

ENGINE ROCKER ARM

from

$61.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1801-1)

ENGINE ROCKER ARM

from

$61.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1802-1)

ENGINE ROCKER ARM

from

$61.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1605-1)

ENGINE ROCKER ARM

from

$51.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1608-1)

ENGINE ROCKER ARM

from

$51.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1610-1)

ENGINE ROCKER ARM

from

$51.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1601-1)

ENGINE ROCKER ARM

from

$50.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1602-1)

ENGINE ROCKER ARM

from

$50.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.17001-1)

ENGINE ROCKER ARM

from

$27.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.17004-1)

ENGINE ROCKER ARM

from

$27.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1416-1)

ENGINE ROCKER ARM

from

$26.49
ENGINE ROCKER ARM

Our Top Pick for a 1980 Cadillac Eldorado Performance Engine Cylinder Head Gasket

Invest in a durable Performance Engine Cylinder Head Gasket for your 1980 Cadillac, knowing you’re getting trusted brands and expert craftsmanship.

Mr. Gasket – Ultra Seal: Head Gasket (Part No.5799G)

Ultra Seal: Head Gasket

from

$81.99
Mr. Gasket Ultra-Seal Head Gaskets are a five layer (graphite core/perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn-out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads, they will not brinell (indent) aluminum cylinder heads. Suitable for high performance street, drag race and oval track use. Sold individually.brbrGasket Bore 4.130 inch, Compressed thickness 0.055 inch

Product Features:
  • Five layer (graphite core/perforated steel outer layers) composite construction
  • Graphite core is excellent transfering heat away from hot spots in head preventing gasket burn-out.
  • Provides excellent stability, compressibility and high temperature endurance
  • Coated with high temperature silicone to ensure sealing of engine fluids
  • Will not brinell (indent) aluminum cylinder heads
  • For high performance street, drag race and oval track use
  • Compatible w/High Octane Fuel
  • Compatible With Exotic Fuel
See More

Our Performance Water Outlets for 1980 Cadillac Eldorados

Make a smart move for your 1980 Cadillac Eldorado with our Performance Water Outlet for $26.99.

Spectre – Water Neck; Olds (Part No.4733)

Water Neck; Olds

from

$26.99
Spectre’s Oldsmobile V8 water neck fits Oldsmobile 330, 350, 425 and 455 engines. This water neck has been designed around the OEM specifications and has a chrome plated finish for a lasting look that fits great. This water neck has an additional by-pass hose connection and includes the bolts.

Product Features:
  • Fits Oldsmobile 330, 350, 425 and 455 engines
  • Chrome plated
  • Bolts included
  • Designed for OEM fit
  • Easy to install
  • O-ring/gasket not included
See More

FAQs for 1980 Cadillac Eldorado Performance Engines

What are the best-selling Performance Engines for 1980 Cadillac Eldorados?

Out of 29 Performance Engines that fit 1980 Cadillac Eldorados, the following parts are the top sellers:

What’s the price range for 1980 Cadillac Eldorado Performance Engines?

The prices of Performance Engines for the 1980 Cadillac Eldorado range from $10.99 up to $519.99 for the most premium parts.

What is the average price of a Performance Engine for a 1980 Cadillac Eldorado?

The average price for Performance Engines for the 1980 Cadillac Eldorado is $146.76. 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 Cadillac Eldorado model years?

Yes, we carry Performance Engines for 30 model years of Cadillac Eldorados between 1964 and 1998. The following model years are the most popular for Performance Engine purchases: 1989, 1988, 1987, 1986, 1982, 1981, 1979, 1978, and 1977.

What are the cheapest Performance Engines for my 1980 Cadillac Eldorado?

The cheapest 1980 Cadillac Eldorado Performance Engines we carry are:

Does Advance Auto Parts sell Performance Engines for any other 1980 Cadillac models?

Yes. We stock Performance Engines for 3 other popular 1980 Cadillac models. Some of the most popular are 1980 DeVille Performance Engines, 1980 Seville Performance Engines, 1980 Fleetwood Performance Engines, and 1980 Commercial Chassis Performance Engines.

What types of Performance Engines do you sell for my 1980 Cadillac Eldorado?

As of 3/1/26, these are some of the most in-demand types of Performance Engines for a 1980 Cadillac Eldorado:

Can I get help with 1980 Cadillac Eldorado Performance Engine orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Performance Engines and more.

What is your return policy for Cadillac Eldorado Performance Engines?

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