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 $207.73, with a range that starts at $10.99 and goes up to $921.99. With 46 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

Mr. Gasket – Ultra Seal: Harmonic Balancer Bolt/Washer Kit (Part No.945G)

Ultra Seal: Harmonic Balancer Bolt/Washer Kit

from

$15.49
This is a high quality bolt set that is made of grade 8 steel and will meet your requirements for a quality bolt set, this set will work on original equipment, high performance street, drag or circle track applications.

Product Features:
  • Has A Zinc Dichromate Finish
  • Made Of High Quality Grade 8 Steel
  • Has A Tall Hex Head To Prevent Wrench Slipping Off
  • Extra Thick Parallel Ground Washer
  • Washer Provides More Accurate And Uniform Torque
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B & M – Torque Converter, Nitrous Holeshot 3000 (Part No.20481)

Torque Converter, Nitrous Holeshot 3000

from

$921.99
Nitrous Holeshot Converters are Built with the same features as the other B&M Holeshots, with the addition of anti-balloon plates. The anti-balloon plates will allow these converters to stand up to the instant horsepower nitrous delivers.

Product Features:
  • 2800-3200 RPM
  • Small And Big Blocks
  • Serious Performance
  • Furnace Brazed
  • Fully Balanced
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B & M – Tork Master 2400 (Part No.20404)

Tork Master 2400

from

$382.99
Torque Converter – Tork Master 2400 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) APPLICATION: Tork Master 2400 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) The Tork Master is B&M’s lowest cost performance torque converter. The Tork Master is an excellent all-around performance street converter. The best value priced street converters available, Tork Master converters come with a new precision pump drive tube and all are pressure tested and fully balanced. The Tork Master torque converter is not recommended for big block or supercharged applications. New alloy steel pump drive tube. Needle thrust bearing when factory equipped. New thrust washer between turbine and cover when required. Due to torque converter core availability, the actual converter size may vary but performance functionality will be as advertised.

Product Features:
  • New Precision Pump Drive Tube
  • Pressure Tested
  • Fully Balanced
  • Needle Thrust Bearing
  • New Thrust Washer
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B & M – Tork Master 3000 (Part No.20402)

Tork Master 3000

from

$562.99
Torque Converter – Tork Master 3000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) APPLICATION: Tork Master 3000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) The Tork Master is B&M’s lowest cost performance torque converter. The Tork Master is an excellent all-around performance street converter. The best ‘value priced’ street converters available, Tork Master converters come with a new precision pump drive tube and all are pressure tested and fully balanced. The Tork Master torque converter is not recommended for big block or supercharged applications. New allow steel pump drive tube. Needle thrust bearing when factory equipped. New thrust washer between turbine and cover when required.

Product Features:
  • New Precision Pump Drive Tube
  • Pressure Tested
  • Fully Balanced
  • Needle Thrust Bearing
  • New Thrust Washer
  • Washer Between Turbine and Cover
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B & M – Performance Torque Converter for GM TH400, 350, & 375 Transmissions (Part No.20400)

Performance Torque Converter for GM TH400, 350, & 375 Transmissions

from

$337.99
Torque Converter – Tork Master 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) APPLICATION: Tork Master 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) The Tork Master is B&M’s lowest cost

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

Mr. Gasket – Ultra Seal: Competition Screw-In Rocker Arm Studs (Part No.1075)

Ultra Seal: Competition Screw-In Rocker Arm Studs

from

$109.99
Mr. Gasket competition screw-in rocker arm studs are manufactured from heat treated black oxide coated Grade 8 steel. Ideal for high performance street and race applications.

Product Features:
  • Black Oxide Coated Grade 8 Steel
  • Kit Contains 16 Studs
  • Easy To Install
  • Heat Treated Steel
  • Prevents Stud Flexing
  • Black Plated Finish
See More

Competition Cams – Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 7/16" Stud (Part No.1605-16)

Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 7/16" Stud

from

$476.99
Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 7/16" Stud

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

$29.99
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 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

$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

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 – O-Ring Style Chrome Water Neck (Part No.2557)

O-Ring Style Chrome 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 – 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

Most Popular Performance Engine Coolant Thermostats for 1980 Cadillac Eldorados

Enhance your 1980 Cadillac Eldorado with one of the 3 Performance Engine Coolant Thermostats we have in stock, starting at just $29.99.

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

$29.99
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 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

$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.

Mr. Gasket – Ultra Seal: Competition Screw-In Rocker Arm Studs (Part No.1075)

Ultra Seal: Competition Screw-In Rocker Arm Studs

from

$109.99
Mr. Gasket competition screw-in rocker arm studs are manufactured from heat treated black oxide coated Grade 8 steel. Ideal for high performance street and race applications.

Product Features:
  • Black Oxide Coated Grade 8 Steel
  • Kit Contains 16 Studs
  • Easy To Install
  • Heat Treated Steel
  • Prevents Stud Flexing
  • Black Plated Finish
See More

Competition Cams – Ultra Pro Magnum XD Rocker Set with 1.55 Ratio for Chevrolet SBC with 7/16" Stud (Part No.1808-16)

Ultra Pro Magnum XD Rocker Set with 1.55 Ratio for Chevrolet SBC with 7/16" Stud

from

$704.99
Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. These 1808 rockers feature a 1.55 ratio for use with 7/16″ stud Chevrolet 265-400 Small Block.

Product Features:
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Competition Cams – Ultra Pro Magnum XD Rocker Set with 1.5 Ratio for Chevrolet SBC with 7/16" Stud (Part No.1804-16)

Ultra Pro Magnum XD Rocker Set with 1.5 Ratio for Chevrolet SBC with 7/16" Stud

from

$649.99
Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. These 1804 rockers feature a 1.5 ratio for use with 7/16″ stud Chevrolet 265-400 Small Block.

Product Features:
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Competition Cams – Ultra Pro Magnum XD Rocker Set with 1.5 Ratio for Chevrolet SBC with 3/8" Stud (Part No.1801-16)

Ultra Pro Magnum XD Rocker Set with 1.5 Ratio for Chevrolet SBC with 3/8" Stud

from

$649.99
Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. These 1801 rockers feature a 1.5 ratio for use with 3/8″ stud Chevrolet 265-400 Small Block.

Product Features:
See More

Competition Cams – Ultra Pro Magnum XD Rocker Set with 1.6 Ratio for Chevrolet SBC with 7/16" Stud (Part No.1805-16)

Ultra Pro Magnum XD Rocker Set with 1.6 Ratio for Chevrolet SBC with 7/16" Stud

from

$649.99
Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. These 1804 rockers feature a 1.6 ratio for use with 7/16″ stud Chevrolet 265-400 Small Block.

Product Features:
See More

Competition Cams – Ultra Pro Magnum XD Rocker Set with 1.7 Ratio for Chevrolet SBC with 7/16" Stud (Part No.1817-16)

Ultra Pro Magnum XD Rocker Set with 1.7 Ratio for Chevrolet SBC with 7/16" Stud

from

$649.99
Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. These 1817 rockers feature a 1.7 ratio for use with 7/16″ stud Chevrolet 265-400 Small Block.

Product Features:
See More

Competition Cams – Ultra Pro Magnum Rocker Arm Set with 1.52 Ratio for Chevrolet SBC with 7/16" Stud (Part No.1604-16)

Ultra Pro Magnum Rocker Arm Set with 1.52 Ratio for Chevrolet SBC with 7/16" Stud

from

$529.99
These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.52 ratio, these rockers fit Chevrolet Small Blocks with a 7/16″ diameter stud.

Product Features:
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Competition Cams – Ultra Pro Magnum Rocker Arm Set with 1.52 Ratio for Chevrolet SBC with 3/8" Stud (Part No.1601-16)

Ultra Pro Magnum Rocker Arm Set with 1.52 Ratio for Chevrolet SBC with 3/8" Stud

from

$519.99
These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.52 ratio, these rockers fit Chevrolet Small Blocks with a 3/8″ diameter stud.

Product Features:
See More

Competition Cams – Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 3/8" Stud (Part No.1602-16)

Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 3/8" Stud

from

$519.99
These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.6 ratio, these rockers fit Chevrolet Small Blocks with a 3/8″ diameter stud.

Product Features:
See More

Competition Cams – Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 7/16" Stud (Part No.1605-16)

Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 7/16" Stud

from

$476.99
Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 7/16" Stud

Competition Cams – Ultra Pro Magnum XD Rocker Set of 8 with 1.55 Ratio for Chevrolet with 7/16" Stud (Part No.1808-8)

Ultra Pro Magnum XD Rocker Set of 8 with 1.55 Ratio for Chevrolet with 7/16" Stud

from

$376.99
Four decades after its founding, COMP Cams keeps its focus on producing the highest-performing products possible, providing superior customer service and leading the industry in technological development. That commitment continues to resonate with racers, engine builders and enthusiasts worldwide, making COMP Cams the preferred choice for valve train components. COMP Cams is unrivaled thanks to its engineering staff – the largest and most highly trained in the performance aftermarket industry – sophisticated manufacturing processes, expert technicians and real-world testing on the track and street. The company’s integration of research, engineering and development, coupled with the free technical assistance it offers customers, makes it the Absolute Leader in Valve Train Technology.

Product Features:
See More

Competition Cams – Ultra Pro Magnum XD Rocker Set of 8 with 1.5 Ratio for Chevrolet with 3/8" Stud (Part No.1801-8)

Ultra Pro Magnum XD Rocker Set of 8 with 1.5 Ratio for Chevrolet with 3/8" Stud

from

$346.99
Four decades after its founding, COMP Cams keeps its focus on producing the highest-performing products possible, providing superior customer service and leading the industry in technological development. That commitment continues to resonate with racers, engine builders and enthusiasts worldwide, making COMP Cams the preferred choice for valve train components. COMP Cams is unrivaled thanks to its engineering staff – the largest and most highly trained in the performance aftermarket industry – sophisticated manufacturing processes, expert technicians and real-world testing on the track and street. The company’s integration of research, engineering and development, coupled with the free technical assistance it offers customers, makes it the Absolute Leader in Valve Train Technology.

Product Features:
See More

Competition Cams – Ultra Pro Magnum XD Rocker Set of 8 with 1.7 Ratio for Chevrolet SBC with 7/16" Stud (Part No.1817-8)

Ultra Pro Magnum XD Rocker Set of 8 with 1.7 Ratio for Chevrolet SBC with 7/16" Stud

from

$346.99
Four decades after its founding, COMP Cams keeps its focus on producing the highest-performing products possible, providing superior customer service and leading the industry in technological development. That commitment continues to resonate with racers, engine builders and enthusiasts worldwide, making COMP Cams the preferred choice for valve train components. COMP Cams is unrivaled thanks to its engineering staff – the largest and most highly trained in the performance aftermarket industry – sophisticated manufacturing processes, expert technicians and real-world testing on the track and street. The company’s integration of research, engineering and development, coupled with the free technical assistance it offers customers, makes it the Absolute Leader in Valve Train Technology.

Product Features:
See More

Competition Cams – Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for SBC with Twisted Wedge Head (Part No.1610-8)

Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for SBC with Twisted Wedge Head

from

$283.99
These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. These 1.6 ratio rockers fit SBC intake valves with a Twisted Wedge Head and a 7/16″ stud.

Product Features:
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Competition Cams – Ultra Pro Magnum Rocker Arm Set of 8 with 1.52 Ratio Chevrolet 7/16" Stud (Part No.1604-8)

Ultra Pro Magnum Rocker Arm Set of 8 with 1.52 Ratio Chevrolet 7/16" Stud

from

$283.99
Four decades after its founding, COMP Cams keeps its focus on producing the highest-performing products possible, providing superior customer service and leading the industry in technological development. That commitment continues to resonate with racers, engine builders and enthusiasts worldwide, making COMP Cams the preferred choice for valve train components. COMP Cams is unrivaled thanks to its engineering staff – the largest and most highly trained in the performance aftermarket industry – sophisticated manufacturing processes, expert technicians and real-world testing on the track and street. The company’s integration of research, engineering and development, coupled with the free technical assistance it offers customers, makes it the Absolute Leader in Valve Train Technology.

Product Features:
See More

Competition Cams – Ultra Pro Magnum Rocker Arm Set with 1.52 Ratio for SBC with Twisted Wedge Head (Part No.1607-8)

Ultra Pro Magnum Rocker Arm Set with 1.52 Ratio for SBC with Twisted Wedge Head

from

$277.99
These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. These 1.52 ratio rockers fit SBC intake valves with a Twisted Wedge Head and a 3/8″ stud.

Product Features:
See More

Competition Cams – Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for SBC with Twisted Wedge Head (Part No.1609-8)

Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for SBC with Twisted Wedge Head

from

$277.99
These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. These 1.6 ratio rockers fit SBC intake valves with a Twisted Wedge Head and a 3/8″ stud.

Product Features:
See More

Competition Cams – High Energy Aluminum 1.6 Ratio Roller Rocker Set for SBC 265-400 with 7/16" Stud (Part No.17005-16)

High Energy Aluminum 1.6 Ratio Roller Rocker Set for SBC 265-400 with 7/16" Stud

from

$277.99
With a needle bearing fulcrum and a roller tip, our die cast aluminum rockers decrease friction and improve horsepower. Featuring a 1.6 ratio, these rockers fit Chevrolet 265-400 Small Blocks w/ 7/16″ studs.

Product Features:
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Competition Cams – Magnum Roller 1.6 Ratio Rocker Arm Set for Chevrolet Small Block with 3/8" Stud (Part No.1416-16)

Magnum Roller 1.6 Ratio Rocker Arm Set for Chevrolet Small Block with 3/8" Stud

from

$241.99
Magnum Roller 1.6 Ratio Rocker Arm Set for Chevrolet Small Block with 3/8" Stud

Competition Cams – High Energy Aluminum 1.6 Ratio Roller Rocker Set of 8 for Chevrolet 7/16" Stud (Part No.17005-8)

High Energy Aluminum 1.6 Ratio Roller Rocker Set of 8 for Chevrolet 7/16" Stud

from

$148.99
Four decades after its founding, COMP Cams keeps its focus on producing the highest-performing products possible, providing superior customer service and leading the industry in technological development. That commitment continues to resonate with racers, engine builders and enthusiasts worldwide, making COMP Cams the preferred choice for valve train components. COMP Cams is unrivaled thanks to its engineering staff – the largest and most highly trained in the performance aftermarket industry – sophisticated manufacturing processes, expert technicians and real-world testing on the track and street. The company’s integration of research, engineering and development, coupled with the free technical assistance it offers customers, makes it the Absolute Leader in Valve Train Technology.

Product Features:
See More

Competition Cams – High Energy Aluminum 1.6 Ratio Roller Rocker Set of 8 for SBC 265-400 3/8" Stud (Part No.17002-8)

High Energy Aluminum 1.6 Ratio Roller Rocker Set of 8 for SBC 265-400 3/8" Stud

from

$148.99
Four decades after its founding, COMP Cams keeps its focus on producing the highest-performing products possible, providing superior customer service and leading the industry in technological development. That commitment continues to resonate with racers, engine builders and enthusiasts worldwide, making COMP Cams the preferred choice for valve train components. COMP Cams is unrivaled thanks to its engineering staff – the largest and most highly trained in the performance aftermarket industry – sophisticated manufacturing processes, expert technicians and real-world testing on the track and street. The company’s integration of research, engineering and development, coupled with the free technical assistance it offers customers, makes it the Absolute Leader in Valve Train Technology.

Product Features:
See More

Competition Cams – Ultra Pro Magnum XD Rocker with 1.55 Ratio for Chevrolet V6 and SBC with 7/16" Stud (Part No.1808-1)

Ultra Pro Magnum XD Rocker with 1.55 Ratio for Chevrolet V6 and SBC with 7/16" Stud

from

$66.99
Machined from 8650 steel with a billet pushrod seat, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1808 rocker features a 1.55 ratio for use with 7/16″ stud Chevrolet V6 and 265-400 Small Block.

Product Features:
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Competition Cams – Ultra Pro Magnum XD Rocker with 1.65 Ratio for Chevrolet V6 and SBC with 7/16" Stud (Part No.1806-1)

Ultra Pro Magnum XD Rocker with 1.65 Ratio for Chevrolet V6 and SBC with 7/16" Stud

from

$66.99
Machined from 8650 steel with a billet pushrod seat, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1806 rocker features a 1.65 ratio for use with 7/16″ stud Chevrolet V6 and 265-400 Small Block.

Product Features:
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Competition Cams – Ultra Pro Magnum XD Rocker with 1.5 Ratio for Chevrolet V6 and SBC with 7/16" Stud (Part No.1804-1)

Ultra Pro Magnum XD Rocker with 1.5 Ratio for Chevrolet V6 and SBC with 7/16" Stud

from

$61.99
Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1804 rocker features a 1.5 ratio for use with 7/16″ stud Chevrolet V6 and 265-400 Small Block.

Product Features:
See More

Competition Cams – Ultra Pro Magnum XD Rocker with 1.6 Ratio for Chevrolet V6 and SBC with 7/16" Stud (Part No.1805-1)

Ultra Pro Magnum XD Rocker with 1.6 Ratio for Chevrolet V6 and SBC with 7/16" Stud

from

$61.99
Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1805 rocker features a 1.6 ratio for use with 7/16″ stud Chevrolet V6 and 265-400 Small Block.

Product Features:
See More

Competition Cams – Ultra Pro Magnum XD Rocker with 1.6 Ratio for Chevrolet V6 and SBC with 3/8" Stud (Part No.1802-1)

Ultra Pro Magnum XD Rocker with 1.6 Ratio for Chevrolet V6 and SBC with 3/8" Stud

from

$61.99
Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1802 rocker features a 1.6 ratio for use with 3/8″ stud Chevrolet V6 and 265-400 Small Block.

Product Features:
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Competition Cams – Ultra Pro Magnum Rocker Arm with 1.6 Ratio for SBC with Twisted Wedge Head (Part No.1608-1)

Ultra Pro Magnum Rocker Arm with 1.6 Ratio for SBC with Twisted Wedge Head

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$51.99
This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. This 1.52 ratio rocker fits SBC intake valves with a Twisted Wedge Head and a 7/16″ diameter stud.

Product Features:
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Competition Cams – Ultra Pro Magnum Rocker Arm with 1.52 Ratio for Chevrolet V6 and SBC with 7/16" Stud (Part No.1604-1)

Ultra Pro Magnum Rocker Arm with 1.52 Ratio for Chevrolet V6 and SBC with 7/16" Stud

from

$51.99
This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.52 ratio, this rocker fits Chevrolet Small Block and V6 with a 7/16″ diameter stud.

Product Features:
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Competition Cams – Ultra Pro Magnum Rocker Arm with 1.6 Ratio for Chevrolet V6 and SBC with 7/16" Stud (Part No.1605-1)

Ultra Pro Magnum Rocker Arm with 1.6 Ratio for Chevrolet V6 and SBC with 7/16" Stud

from

$51.99
This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.6 ratio, this rocker fits Chevrolet Small Block and V6 with a 7/16″ diameter stud.

Product Features:
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Competition Cams – Ultra Pro Magnum Rocker Arm with 1.52 Ratio for SBC with Twisted Wedge Head (Part No.1607-1)

Ultra Pro Magnum Rocker Arm with 1.52 Ratio for SBC with Twisted Wedge Head

from

$50.99
This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. This 1.52 ratio rocker fits SBC intake valves with a Twisted Wedge Head and a 3/8″ diameter stud.

Product Features:
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Competition Cams – Ultra Pro Magnum Rocker Arm with 1.6 Ratio for SBC with Twisted Wedge Head (Part No.1609-1)

Ultra Pro Magnum Rocker Arm with 1.6 Ratio for SBC with Twisted Wedge Head

from

$50.99
This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. This 1.6 ratio rocker fits SBC intake valves with a Twisted Wedge Head and a 3/8″ diameter stud.

Product Features:
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Competition Cams – Ultra Pro Magnum Rocker Arm with 1.6 Ratio for Chevrolet V6 and SBC with 3/8" Stud (Part No.1602-1)

Ultra Pro Magnum Rocker Arm with 1.6 Ratio for Chevrolet V6 and SBC with 3/8" Stud

from

$50.99
This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.6 ratio, this rocker fits Chevrolet Small Block and V6 with a 3/8″ diameter stud.

Product Features:
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Competition Cams – Ultra Pro Magnum Rocker Arm with 1.52 Ratio for Chevrolet V6 and SBC with 3/8" Stud (Part No.1601-1)

Ultra Pro Magnum Rocker Arm with 1.52 Ratio for Chevrolet V6 and SBC with 3/8" Stud

from

$50.99
This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.52 ratio, this rocker fits Chevrolet Small Block and V6 with a 3/8″ diameter stud.

Product Features:
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Competition Cams – High Energy Aluminum 1.6 Ratio Roller Rocker for SBC 265-400 with 7/16" Stud (Part No.17005-1)

High Energy Aluminum 1.6 Ratio Roller Rocker for SBC 265-400 with 7/16" Stud

from

$27.99
With a needle bearing fulcrum and a roller tip, our die cast aluminum rockers decrease friction and improve horsepower. Featuring a 1.6 ratio, this rocker fits Chevrolet 265-400 Small Block w/ a 7/16″ stud.

Product Features:
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Competition Cams – High Energy Aluminum 1.6 Ratio Roller Rocker for SBC 265-400 with 3/8" Stud (Part No.17002-1)

High Energy Aluminum 1.6 Ratio Roller Rocker for SBC 265-400 with 3/8" Stud

from

$27.99
With a needle bearing fulcrum and a roller tip, our die cast aluminum rockers decrease friction and improve horsepower. Featuring a 1.6 ratio, this rocker fits Chevrolet 265-400 Small Block w/ a 3/8″ stud.

Product Features:
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Competition Cams – High Energy Aluminum 1.5 Ratio Roller Rocker for SBC 265-400 with 7/16" Stud (Part No.17004-1)

High Energy Aluminum 1.5 Ratio Roller Rocker for SBC 265-400 with 7/16" Stud

from

$27.99
With a needle bearing fulcrum and a roller tip, our die cast aluminum rockers decrease friction and improve horsepower. Featuring a 1.5 ratio, this rocker fits Chevrolet 265-400 Small Block w/ a 7/16″ stud.

Product Features:
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Competition Cams – High Energy Aluminum 1.5 Ratio Roller Rocker for SBC 265-400 with 3/8" Stud (Part No.17001-1)

High Energy Aluminum 1.5 Ratio Roller Rocker for SBC 265-400 with 3/8" Stud

from

$27.99
With a needle bearing fulcrum and a roller tip, our die cast aluminum rockers decrease friction and improve horsepower. Featuring a 1.5 ratio, this rocker fits Chevrolet 265-400 Small Block w/ a 3/8″ stud.

Product Features:
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Competition Cams – Magnum Roller 1.6 Ratio Rocker Arm for Chevrolet V6/Small Block with 3/8" Stud (Part No.1416-1)

Magnum Roller 1.6 Ratio Rocker Arm for Chevrolet V6/Small Block with 3/8" Stud

from

$26.49
Magnum Roller 1.6 Ratio Rocker Arm for Chevrolet V6/Small Block with 3/8" Stud

Our Top Pick for a 1980 Cadillac Eldorado Performance Engine Harmonic Balancer

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

Mr. Gasket – Ultra Seal: Harmonic Balancer Bolt/Washer Kit (Part No.945G)

Ultra Seal: Harmonic Balancer Bolt/Washer Kit

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$15.49
This is a high quality bolt set that is made of grade 8 steel and will meet your requirements for a quality bolt set, this set will work on original equipment, high performance street, drag or circle track applications.

Product Features:
  • Has A Zinc Dichromate Finish
  • Made Of High Quality Grade 8 Steel
  • Has A Tall Hex Head To Prevent Wrench Slipping Off
  • Extra Thick Parallel Ground Washer
  • Washer Provides More Accurate And Uniform Torque
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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

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$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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FAQs for 1980 Cadillac Eldorado Performance Engines

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

Out of 46 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 $921.99 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 $207.73. 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 26 model years of Cadillac Eldorados between 1964 and 1991. 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 are the top-rated Performance Engines that fit the 1980 Cadillac Eldorado?

Based on 88 reviews by customers, our 1980 Cadillac Eldorado Performance Engines have an average customer rating of 4 stars. These are the highest-rated categories of Performance Engines for the 1980 Cadillac Eldorado and their top-rated products:

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

As of 6/2/26, 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.