1981 Cadillac Eldorado Performance and Racing Products
Find Your Specific 1981 Cadillac Eldorado Performance and Racing Products
Below you will find various in-demand Cadillac Performance and Racing Products, components and accessories for your 1981 Eldorado. Advance Auto Parts has popular Eldorado parts like Performance Fuel Systems, Performance Exhaust Products, Performance Oil Filters and more. You’ll also find aftermarket and OEM Performance and Racing Products for other Eldorado model years including
1994,
1995,
1996,
1997,
1998,
1999,
2000,
2001,
2002 and more. Select a category of 1981 Cadillac Eldorado Performance and Racing Products below and start saving instantly.
Popular 1981 Cadillac Eldorado Performance and Racing Products Categories
Essential Performance and Racing Products for 1981 Cadillac Eldorados
Mallory – Unilite Dist. Oldsmobile 330-455 (Part No.3763401)
from
$599.99
The industry standard with adjustable mechanical advance curve. Triggered by photo-optic infrared LED system. Improved combustion efficiency and economy, increased spark plug life and cold weather starting, and maintenance free operation.
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Product Features:
- Improved Combustion And Economy
- Increased Spark Plug Life
- Improved Cold Weather Starting
- Maintenance Free Operation
- Accurate Spark Timing
- Self-Lubricating Bushings
- Years Of Trouble-Free Service
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.
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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
K&N – Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine (Part No.HP-2006)
from
$17.99
K&N premium oil filters are meticulously engineered to offer outstanding filtration and engine protection. Designed to operate with all synthetic, conventional, and blended motor oils, K&N’s pleated synthetic-blend filtration media helps to shield your engine from contaminants and ensure a consistent flow of oil. The heavy-duty canister is engineered to be exceptionally durable, and a one-inch welded hex nut can be used for quick and easy filter removal. Each filter is specifically designed to withstand the service intervals recommended by vehicle manufacturers.
Product Features:
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Product Features:
- HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine
- VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils
- PROTECT YOUR ENGINE: Pleated synthetic-blend filtration media removes most harmful contaminants
- EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength
- EASY TO REMOVE: Fast and easy Wrench-Off removal
- HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability
- HIGH CAPACITY: Withstand the longer service intervals now recommended by some vehicle manufacturers
Accel – Super Stock Replacement Coil for Improved Performance, Starting, and Power (Part No.8140)
from
$45.99
Excellent high performance replacement for import and domestic vehicles with canister type oil filled coil. Re-engineered windings for even higher energy output resulting in quicker starting improved throttle response and more high RPM power. Designed to work with Points style and Breakerless electronic ignition systems. Heavy duty black Alkyd tower provides in flashover in protection to primary terminals. ACCEL Yellow can. 42000 volts effective up to 6500 RPM 1.4 ohms on the primary
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Product Features:
- 42000 Volts
- Effective To 6500 RPM
- Quicker Starting
- Improved Throttle Response
- Higher RPM Power
- Can Finished In Yellow
Accel – Cap/Rotor (Part No.8129)
from
$65.99
ACCEL cap and rotor kits offer superior protection from “arc-thru” and crossfire. Features 60k V-rated alkyd compound, stress-relieved at molding to ensure stability. Brass inserts and steel rotor springs provide for high spark energy flow.
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Product Features:
- See catalog for application information
- Features 60K V Rated Alkyd Compound
FEL-PRO Performance – Performance Cylinder Head Gasket (Part No.1000)
from
$61.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions.
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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.
Energy Suspension – Tie Rod Dust Boot (Part No.9.13101R)
from
$9.99
Repair torn and worn-out boots of suspension tie rod ends – without having to buy the entire and expensive tie rod. Adds durability surpassing most OEM rubber boots. Exclusive 5 point sealing action. Choose from four sizes and round or octagon styles. Made of Energy’s Hyper-Flex performance polyurethane for added performance and durability.
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Product Features:
- Easy to Install
- Superior Material
- Saves Your Tie Rods
- Lasts Longer
- Looks Great
Energy Suspension – Tie Rod Dust Boot (Part No.9.13102G)
from
$9.99
Repair torn and worn-out boots of suspension tie rod ends – without having to buy the entire and expensive tie rod. Adds durability surpassing most OEM rubber boots. Exclusive 5 point sealing action. Choose from four sizes and round or octagon styles. Made of Energy’s Hyper-Flex performance polyurethane for added performance and durability.
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Product Features:
- Easy to Install
- Superior Material
- Saves Your Tie Rods
- Lasts Longer
- Looks Great
FEL-PRO Performance – Lower Intake Manifold Gasket Set: 3 Piece Set (Part No.1200)
from
$32.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
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Product Features:
- DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
- SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
- ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
- REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
- EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
FEL-PRO Performance – Exhaust Manifold Gasket Set (Part No.1400)
from
$34.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
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Product Features:
- Performance exhaust header gasket consisting of a high-density fiber facing material attached to both sides of a perforated steel core.
- Resists blowout and burnout from high-temperature exhaust and is far stronger than basic paper gaskets.
- Anti-stick coating permits motion without damaging the gasket and makes it easier to remove the gasket for future engine service.
- Slotted bolt holes allow for easier header installation.
- Not intended for use in emission controlled vehicles.
B & M – Torque Converter, Nitrous Holeshot 3000 (Part No.20481)
from
$899.99
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.
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Product Features:
- 2800-3200 RPM
- Small And Big Blocks
- Serious Performance
- Furnace Brazed
- Fully Balanced
B & M – Torque Converter, Nitrous Holeshot 3600 (Part No.20482)
from
$749.99
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.
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Product Features:
- 3400-3800 RPM
- Small And Big Blocks
- Serious Performance
- Furnace Brazed
- Fully Balanced
K&N – Engine Air Filter: Washable Filter, Increase Horsepower & Acceleration (Part No.E-1650)
from
$83.99
K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable and engineered to last for the entire lifespan of your vehicle. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N’s most popular product!
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Product Features:
- REUSABLE K&N FILTER SAVES YOU MONEY: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving)
- CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
- RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
- REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
- ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
- EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
- 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
Spectre – Spectre Replacement Air Filter (Part No.HPR6479)
from
$42.99
Spectre’s High Performance Replacement Air Filters are engineered to outperform ordinary paper filters by providing increased air flow for improved performance. Manufactured using high quality materials including pre-dyed synthetic media, urethane, and steel mesh, this performance air filter is factory pre-oiled and ready to use. Use a Spectre Accucharge cleaning and re-oiling kit, part number HPR4820, to maintain your filter’s condition.
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Product Features:
- Designed to be superior to stock paper filters
- Comes pre-oiled
- Designed for an easy installation with OE fit
- Made with pre-dyed media for lasting color
Earls Performance Product – Brake Bleeder Screws (Part No.280035ERL)
from
$39.99
Brake Bleeder Screws
Earls Performance Product – Brake Bleeder Screws (Part No.280029ERL)
from
$46.99
Brake Bleeder Screws
Accel – Ignition/Electrical (Part No.130120)
from
$16.99
ACCEL Hi-Performance rotors offer superior protection from arc-thru and crossfire. Features hi-performance 60,000 volt alkyd compound, stress-relieved at molding to ensure stability and resist centrifugal forces at high racing RPMs.
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Product Features:
- Max stability for all RPM ranges
- Heavy duty for maximum energy transfer
Mr. Gasket – Hei Advance Curve Kit (Part No.929G)
from
$12.99
One of the best, and sometimes missed tuning tricks is not to just optimize your initial timing, but to bring in timing advance more quickly than the stock distributor can allow. Bringing timing more quickly than stock can provide substantial increases in both torque and horsepower depending on your combination.This is done by changing the springs under the cap. This kit includes three sets of springs which can be used in different combinations to provide full advance sooner than stock. Use lighter springs to bring the advance more quickly, and heavier springs to bring it in more slowly. Two new weights with nylon bushings are also included as are instructions to help with installation. Springs are color code as follows: Light Springs – Black Medium Springs – Silver Heavy Springs – Gold
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Product Features:
- Brings in timing more quickly than stock for more torque and horsepower
- Includes three sets of springs to allow for a wider range of custom tuning
- Instructions included to help with installation
PerTronix – D9001 Flame-Thrower HEI Distributor Advance Curve Kit (Part No.D9001)
from
$28.99
Mechanical Advance Curve Ki tPrecision machined chromoly weights and center plate eliminate erratic timing. Three sets of springs, guide bushings and complete installation instructions make recurving your distributor easy.
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Product Features:
- PerTronix D9001 Flame-Thrower HEI Distributor Advance Curve Kit
- Precision machined chromoly weights and center plate.
Mr. Gasket – Alternator: Remanufactured, 80 Amps (Part No.5122)
from
$311.99
The Mr. Gasket chrome alternator is a high-performance, remanufactured solution designed to exceed original equipment specifications, ensuring maximum dependability for your vehicle. With an 80-amp output and a sleek chrome-plated finish, this GM 10SI style alternator is both functional and visually appealing. It fits most 1973-1983 GM vehicles, making it a versatile replacement option. The alternator features a 6.6″ bolt spacing, an internal regulator for efficient voltage control, and a 1-groove V-belt pulley included for easy installation. Operating at 12 volts, it can be used as a direct OE replacement or as a 1-wire alternator, offering flexibility to suit your needs. Built for durability and reliability, this alternator is an excellent choice for restoring or upgrading your vehicle’s electrical system.
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Product Features:
- Fits Most 1973-1983 GM Vehicles
- Bolt Spacing 6.6″
- 80 Amps
- GM 10SI Style Alternator
- Chrome Plated Finish
- 1-Groove V-belt pulley – included
- Internal Regulator
Spectre – Water Neck; Olds (Part No.4733)
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.
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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
Holley – Prem Street Carbs (Avengers) (Part No.0-80570)
from
$699.99
Square flange bolt pattern. Performance calibrated. The ultimate vacuum secondary street performance upgrade.
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Product Features:
- Vibratory Polished For Good Looks
- Optimized Street Calibration That Works Out Of The Box
- Factory Preset Electric Choke For Easy Startups
- Quick Change Vacuum Housing Cap To Tune For Performance/Fuel Econ
- No Unnecessary Trips Back To The Parts Store
- Limited Lifetime Warranty
- 100% Wet-Flow Tested To Assure It Arrives Ready To Run
- Street Ready; Out Of The Box
Holley – Street Carburetor: 600 CFM, Electric Choke, 4 Barrel, Square Bore, Single Inlet, Shiny (Part No.0-80457S)
from
$499.99
Holley’s new 0-80457SA is constructed from aluminum which compared to its zinc counterpart equates to a weight savings of 40%! Holley’s aluminum 0-80457SA will hold its shine longer and also can be hand polished for a custom look! Its 600 CFM of airflow,
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Product Features:
- Vibratory Polished For Good Looks
Holley – Street Carburetor: 670 CFM, Electric Choke, 4 Barrel, Square Bore, Dual Inlet, Shiny (Part No.0-80670)
from
$682.99
Square flange bolt pattern. Performance calibrated. The ultimate vacuum secondary street performance upgrade.
Product Features:
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Product Features:
- Vibratory Polished For Good Looks
- Optimized Street Calibration That Works Out Of The Box
- Factory Preset Electric Choke For Easy Startups
- Quick Change Vacuum Housing Cap To Tune For Performance/Fuel Econ
- No Unnecessary Trips Back To The Parts Store
- Limited Lifetime Warranty
- 100% Wet Flow Tested By Holley Technicians
- Arrives Ready To Run
Edelbrock – Performer Carburetor #9907 750 CFM With Manual Choke, Satin Finish (Non-EGR) (Part No.9907)
from
$407.99
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- Satin Finish
- 4 Barrel
- Annular Booster Type
- Manual Choke Type
- 750 cfm Maximum Flow Rating
Edelbrock – Performer 1400 Carburetor: 600 CFM, 4 Barrel, Square Bore, Electric Choke Inlet (Part No.1400)
from
$523.99
The Edelbrock 1400 Performer Series 600 CFM electric choke carburetor is a precisely tuned, quality-built carburetor that can handle the rigors of daily driving while delivering consistent, reliable street performance from day to day. Several characterist
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Product Features:
- Edelbrock products offer improved performance and aesthetics for a broad array of vehicles and engines. ‘Proven performance’ is the philosophy by which Edelbrock was founded and it continues to this day with the highest standards for performance and quali
- Electric Choke
- 4 Barrel Count
- Square Bore
- Electric Choke Installed from Factory
- Smooth Secondary Transition
- Includes Only Timed Vacuum Port
- Includes EGR ; Fuel Vapor Outlet
Edelbrock – Performer Carburetor #9906 600 CFM With Electric Choke, Satin Finish (Non-EGR) (Part No.9906)
from
$414.99
Burnished aluminum. GM/MAC- style throttle linkage. Electric choke installed from factory. Easy tuning with 2 piece design. Smooth secondary transition. Both timed for full vacuum ports. Includes PCV outlet.
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Holley – Prem Street Carbs (Avengers) (Part No.0-80870)
from
$699.99
Square flange bolt pattern. Performance calibrated. The ultimate vacuum secondary street performance upgrade.
Product Features:
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Product Features:
- Vibratory Polished For Good Looks
- Optimized Street Calibration That Works Out Of The Box
- Factory Preset Electric Choke For Easy Startups
- Quick Change Vacuum Housing Cap To Tune For Performance/Fuel Econ
- No Unnecessary Trips Back To The Parts Store
- Limited Lifetime Warranty
- 100% Wet Flow Tested By Holley Technicians
- Arrives Ready To Run
Upgrade your 1981 Cadillac Eldorado with Top-Quality Performance and Racing Products
When it comes to maintaining or upgrading your 1981 Cadillac Eldorado, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Cadillac or enhancing its overall performance, Performance and Racing Products are key to keeping your Eldorado functioning at its best. At Advance Auto Parts, we offer a wide selection of 26 Performance and Racing Products for the 1981 Cadillac Eldorado, designed to meet your needs without breaking the bank.
From
Performance Fuel System
replacements to
Performance Exhaust Products
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Performance and Racing Products for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Performance and Racing Products for your 1981 Cadillac Eldorado at great prices.
Our Performance and Racing Products inventory for this model
ranges from just $9.99 to $899.99, with
an average price of $181.65.
Our 26 Performance and Racing Products in stock come from 11 trusted brands, so you’re sure to find the right part for your 1981 Cadillac Eldorado without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1981 Cadillac Eldorado, we stock popular OEM and aftermarket Performance and Racing Products from top names
like K&N, PerTronix, Holley, and more.
K&N Performance and Racing Products
start at just $17.99 and boast an impressive 4.8 stars average rating from customers.
PerTronix and Holley also bring quality to the table, with Performance and Racing Products available starting at $28.99, and at an average 4.3 stars rating.
With 259 customer reviews and counting, our 1981 Cadillac Eldorado Performance and Racing Products have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Performance and Racing Product upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 1981 Cadillac Eldorado is always ready to roll. We’re committed to providing you with everything you need to keep your Eldorado in top shape, all in one place.
Start shopping confidently below for your 1981 Cadillac Eldorado!
Best-Selling Performance Fuel Systems for 1981 Cadillac Eldorados
Enhance the driving experience in your Cadillac with 4 quality Performance Fuel System components, starting at $499.99.
Holley – Street Carburetor: 600 CFM, Electric Choke, 4 Barrel, Square Bore, Single Inlet, Shiny (Part No.0-80457S)
from
$499.99
Holley’s new 0-80457SA is constructed from aluminum which compared to its zinc counterpart equates to a weight savings of 40%! Holley’s aluminum 0-80457SA will hold its shine longer and also can be hand polished for a custom look! Its 600 CFM of airflow,
Product Features:
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Product Features:
- Vibratory Polished For Good Looks
Holley – Street Carburetor: 670 CFM, Electric Choke, 4 Barrel, Square Bore, Dual Inlet, Shiny (Part No.0-80670)
from
$682.99
Square flange bolt pattern. Performance calibrated. The ultimate vacuum secondary street performance upgrade.
Product Features:
See More
Product Features:
- Vibratory Polished For Good Looks
- Optimized Street Calibration That Works Out Of The Box
- Factory Preset Electric Choke For Easy Startups
- Quick Change Vacuum Housing Cap To Tune For Performance/Fuel Econ
- No Unnecessary Trips Back To The Parts Store
- Limited Lifetime Warranty
- 100% Wet Flow Tested By Holley Technicians
- Arrives Ready To Run
Holley – Prem Street Carbs (Avengers) (Part No.0-80870)
from
$699.99
Square flange bolt pattern. Performance calibrated. The ultimate vacuum secondary street performance upgrade.
Product Features:
See More
Product Features:
- Vibratory Polished For Good Looks
- Optimized Street Calibration That Works Out Of The Box
- Factory Preset Electric Choke For Easy Startups
- Quick Change Vacuum Housing Cap To Tune For Performance/Fuel Econ
- No Unnecessary Trips Back To The Parts Store
- Limited Lifetime Warranty
- 100% Wet Flow Tested By Holley Technicians
- Arrives Ready To Run
Holley – Prem Street Carbs (Avengers) (Part No.0-80570)
from
$699.99
Square flange bolt pattern. Performance calibrated. The ultimate vacuum secondary street performance upgrade.
Product Features:
See More
Product Features:
- Vibratory Polished For Good Looks
- Optimized Street Calibration That Works Out Of The Box
- Factory Preset Electric Choke For Easy Startups
- Quick Change Vacuum Housing Cap To Tune For Performance/Fuel Econ
- No Unnecessary Trips Back To The Parts Store
- Limited Lifetime Warranty
- 100% Wet-Flow Tested To Assure It Arrives Ready To Run
- Street Ready; Out Of The Box
Most Popular 1981 Cadillac Eldorado Performance Exhaust Products
Customize your Cadillac with 1 Performance Exhaust Products products
like Performance Exhaust Manifold Gaskets, all
priced under $34.99.
FEL-PRO Performance – Exhaust Manifold Gasket Set (Part No.1400)
from
$34.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
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Product Features:
- Performance exhaust header gasket consisting of a high-density fiber facing material attached to both sides of a perforated steel core.
- Resists blowout and burnout from high-temperature exhaust and is far stronger than basic paper gaskets.
- Anti-stick coating permits motion without damaging the gasket and makes it easier to remove the gasket for future engine service.
- Slotted bolt holes allow for easier header installation.
- Not intended for use in emission controlled vehicles.
Top Picks for 1981 Cadillac Eldorado Performance Oil Filters
Upgrade Cadillac Eldorados with top-quality Performance Oil Filters parts, including 2 OEM and aftermarket selections for your 1981 model.
K&N – Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine (Part No.HP-2006)
from
$17.99
K&N premium oil filters are meticulously engineered to offer outstanding filtration and engine protection. Designed to operate with all synthetic, conventional, and blended motor oils, K&N’s pleated synthetic-blend filtration media helps to shield your engine from contaminants and ensure a consistent flow of oil. The heavy-duty canister is engineered to be exceptionally durable, and a one-inch welded hex nut can be used for quick and easy filter removal. Each filter is specifically designed to withstand the service intervals recommended by vehicle manufacturers.
Product Features:
See More
Product Features:
- HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine
- VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils
- PROTECT YOUR ENGINE: Pleated synthetic-blend filtration media removes most harmful contaminants
- EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength
- EASY TO REMOVE: Fast and easy Wrench-Off removal
- HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability
- HIGH CAPACITY: Withstand the longer service intervals now recommended by some vehicle manufacturers
K&N – Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine (Part No.HP-1001)
from
$17.99
K&N premium oil filters are meticulously engineered to offer outstanding filtration and engine protection. The heavy-duty canister is engineered to be exceptionally durable, and a one-inch welded hex nut can be used for quick and easy filter removal. Each filter is specifically designed to withstand the service intervals recommended by vehicle manufacturers.
Product Features:
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Product Features:
- HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine
- VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils
- PROTECT YOUR ENGINE: Pleated synthetic-blend filtration media removes most harmful contaminants
- EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength
- EASY TO REMOVE: Fast and easy Wrench-Off removal
- HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability
- HIGH CAPACITY: Withstand the longer service intervals now recommended by some vehicle manufacturers
In-Demand Performance Air Filters for 1981 Cadillac Eldorados
Select from 1 premium Performance Air Filters parts for your 1981 Cadillac Eldorado.
K&N – Engine Air Filter: Washable Filter, Increase Horsepower & Acceleration (Part No.E-1650)
from
$83.99
K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable and engineered to last for the entire lifespan of your vehicle. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N’s most popular product!
Product Features:
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Product Features:
- REUSABLE K&N FILTER SAVES YOU MONEY: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving)
- CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
- RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
- REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
- ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
- EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
- 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
Most Sold 1981 Cadillac Eldorado Performance Engines
Explore our best-selling Cadillac parts for the 1981 Eldorado among 8 OEM and aftermarket options starting from $26.99.
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.
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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:
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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:
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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
Spectre – Water Neck; Olds (Part No.4733)
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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:
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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
FEL-PRO Performance – Lower Intake Manifold Gasket Set: 3 Piece Set (Part No.1200)
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$32.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
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Product Features:
- DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
- SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
- ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
- REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
- EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
FEL-PRO Performance – Performance Cylinder Head Gasket (Part No.1000)
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$61.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions.
Product Features:
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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.
B & M – Torque Converter, Nitrous Holeshot 3000 (Part No.20481)
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$899.99
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:
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Product Features:
- 2800-3200 RPM
- Small And Big Blocks
- Serious Performance
- Furnace Brazed
- Fully Balanced
B & M – Torque Converter, Nitrous Holeshot 3600 (Part No.20482)
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$749.99
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:
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Product Features:
- 3400-3800 RPM
- Small And Big Blocks
- Serious Performance
- Furnace Brazed
- Fully Balanced
Top-Rated Performance and Racing Products Brands For Your 1981 Cadillac Eldorado
Shop for the best-rated brands offering Performance and Racing Products and other products for your 1981 Cadillac Eldorados. Below you’ll find some of our best rated Performance and Racing Products from K&N, PerTronix, and Holley, and more. Performance and Racing Products from these brands that fit a 1981 Eldorado start at just $17.99 and are rated as high as 4.8 stars. OEM and aftermarket Performance and Racing Products don’t get more top quality, durable, and affordable than from the brands below.
Popular K&N 1981 Cadillac Eldorado Performance and Racing Products
When it comes to maintaining or upgrading your 1981 Cadillac Eldorado, using quality Performance and Racing Products is essential to ensure durability and a perfect fit. K&N ticks all of those boxes. We offer a wide selection of K&N Performance and Racing Products, specifically designed for the 1981 Cadillac Eldorado. With over 3 K&N brand Performance and Racing Products in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $17.99, with an average price of just $39.99. Plus, with over 110 customer reviews and an average rating of 4.8 stars, you can trust that our K&N Performance and Racing Products will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
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$17.99
(49)
Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine
“Perfect.”
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$83.99
(14)
Engine Air Filter: Washable Filter, Increase Horsepower & Acceleration
“Great product as usual from K&N!!”
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$17.99
(47)
Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine
“Good filter that I use regularly”
Popular PerTronix 1981 Cadillac Eldorado Performance and Racing Products
PerTronix auto parts is one of the highest quality Performance and Racing Product brands in the market. Any 1981 Cadillac Eldorado owner should feel confident when installing genuine PerTronix parts in their vehicle. To ensure the best fit and performance for your 1981 Eldorado, Advance Auto Parts carries a full inventory of 2 PerTronix Performance and Racing Products. Plus you will be keeping your Cadillac in peak condition while saving money because prices on these PerTronix Performance and Racing Products range from $28.99 to $33.99, plus, with more than 2 customer reviews and an impressive 4.3 stars average rating, you can be confident the Fram Performance and Racing Products below will deliver on both quality and value.
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$33.99
(1)
D9007 Flame-Thrower HEI Distributor 4-Pin Wire Harness/Capacitor
“Works well, good quality harness!”
from
$28.99
(1)
D9001 Flame-Thrower HEI Distributor Advance Curve Kit
“This is a good product for a reasonable price”
FAQs for 1981 Cadillac Eldorado Performance and Racing Products
Which Performance and Racing Products are best-sellers for 1981 Cadillac Eldorados?
Out of 26 Performance and Racing Products that fit 1981 Cadillac Eldorados, the following parts are the top sellers:
- High Performance 180 Degree Thermostat for Increased Flow (17360033) – $29.99
- High Performance Thermostat – 160 Degree Brass & Copper (17360031) – $29.49
- Street Carburetor: 600 CFM, Electric Choke, 4 Barrel, Square Bore, Single Inlet, Shiny (6340008) – $499.99
What’s the price range for 1981 Cadillac Eldorado Performance and Racing Products?
Performance and Racing Product prices for the 1981 Cadillac Eldorado start at $9.99 and go up to $899.99 for the most premium parts.
What’s the average price of a Performance and Racing Product for a 1981 Cadillac Eldorado?
The average price for Performance and Racing Products for the 1981 Cadillac Eldorado is $181.65. Keep in mind the variety of part types within our Performance and Racing Product category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Performance and Racing Products for other Cadillac Eldorado model years?
What are the cheapest Performance and Racing Products for my 1981 Cadillac Eldorado?
The cheapest 1981 Cadillac Eldorado Performance and Racing Products we carry in stock are:
- Tie Rod Dust Boot (17360821) – $9.99
- Tie Rod Dust Boot (22906874) – $9.99
- Ignition/Electrical (17370034) – $16.99
- Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine (6120014) – $17.99
- Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine (6120000) – $17.99
What are the top-rated Performance and Racing Products that fit the 1981 Cadillac Eldorado?
Out of 259 reviews by customers, our 1981 Cadillac Eldorado Performance and Racing Products have an average customer rating of . These are some of the highest-rated Performance and Racing Product types for the 1981 Cadillac Eldorado and their top-rated products:
- Performance Oil Filters
- Performance Steering Products
- Performance Air Filters
What types of Performance and Racing Products do you sell for my 1981 Cadillac Eldorado?
As of 11/2/25, these are some of the most in-demand types of Performance and Racing Products for a 1981 Cadillac Eldorado:
Can I get help with 1981 Cadillac Eldorado Performance and Racing Product orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Cadillac Performance and Racing Products and more.
What is your return policy for Cadillac Eldorado Performance and Racing Products?
Advance Auto Parts keeps returns simple. For new Cadillac Eldorado Performance and Racing Products and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
