Mercury Comet Performance Engines

Your One-Stop Shop For Trusted Mercury Comet Performance Engines

If you’re in search of Mercury Comet Performance Engines aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 234 Performance Engines from top brands with prices ranging from $7.99 to $1,095.99.

Beyond great prices, we stock trusted brands manufacturing all types of Performance Engines for your Mercury Comet.

And don’t forget to read customer reviews across all Performance Engines categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Performance Engines have to cost top dollar, and we prove it. Browse our top Mercury Comet Performance Engines below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Please Select your Vehicle to See Exact Fit Parts

Essential Mercury Comet Performance Engines

FEL-PRO Performance – Lower Intake Manifold Gasket Set: 11 Piece Set (Part No.1250)

Lower Intake Manifold Gasket Set: 11 Piece Set

from

$35.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

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
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Edelbrock – Performer 390 Intake Manifold for Ford FE, Satin Finish (Part No.2105)

Performer 390 Intake Manifold for Ford FE, Satin Finish

from

$597.99


Product Features:
  • For Idle to 5500 RPM Street-Driven Performance
  • Dual-Plane Low-Rise Intake w/180 deg. Firing Order
  • Patented Runner Design Ensures Broad Torque Curve
  • Excellent Throttle Response and Mid-Range Power
  • 50-State Street Legal if Correct Carburetor Used
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Competition Cams – High Energy 206/206 Hydraulic Flat Cam and Lifter Kit (Part No.CL32-218-3)

High Energy 206/206 Hydraulic Flat Cam and Lifter Kit

from

$389.99
Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications.

Product Features:
  • Good blend of efficiency and performance.
  • Perfect choice for performance street rebuilds.
  • Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.
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Mr. Gasket – Water Neck (Part No.2662)

Water Neck

from

$23.79
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:
  • Chrome Plated
  • This Is A 45 Degree Neck
  • Comes With O-ring And Bolts
  • Has Small Hose Fitting On It
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Competition Cams – 10 Degree Steel Retainer for 26120 Beehive Spring (Part No.795-1)

10 Degree Steel Retainer for 26120 Beehive Spring

from

$10.99
10 Degree Steel Retainer for 26120 Beehive Spring

Edelbrock – Performer-Link Adjustable True-Roller Timing Chain Set (Part No.7820)

Performer-Link Adjustable True-Roller Timing Chain Set

from

$74.99


Product Features:
  • Solid Bushing Chain Resists Stretching
  • For Use with Stock or Edelbrock Camshafts
  • Stressproof Steel Crank Gears
  • 3 Keyway Setting Points To Ensure Accurate Timing
  • True Bearing Surface Rolls with the Sprockets
  • For Engine with One-Piece Fuel Pump Eccentric
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Mr. Gasket – Rear Main Seal Gasket (Part No.1963)

Rear Main Seal Gasket

from

$49.99
This Mr. Gasket Rear Main Seal is made from silicone to allow the seal to handle extreme engine oil temperature. It also provides for an upgrade for that leaky rope style seal and is a direct replacement for a rubber main seal. It’s also injection molded for a precise fit.

Product Features:
  • Repairs That Leaky Rear Main Sail
  • Silicone Rubber to Withstand Extreme Engine Oil Temperatures
  • Upgrade for Rope Seal Equipped Cars or Direct Replacement for Rubber Main Seal
  • Injection Molded for Precise Fit
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Edelbrock – Front Timing Cover Gasket Set #6991 For Small-Block Ford, With Front Seal (Part No.6991)

Front Timing Cover Gasket Set #6991 For Small-Block Ford, With Front Seal

from

$30.99
Available in kits including front cover gasket, crankshaft seal, fuel pump and water pump gasket or including cover gasket and front seal.

Product Features:
  • Timing Cover Gasket And Oil Seal Kit
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Mr. Gasket – Cam Change Gaskets (Part No.4410)

Cam Change Gaskets

from

$74.99
If you want to update just your camshaft and aren’t doing a complete engine overhaul, this kit contains all the gaskets needed to change out your camshaft. That way you don’t have to buy a complete gasket kit just to change the cam, but still can replace all the gaskets you should in the process.

Product Features:
  • Contains all the gaskets needed to change out your camshaft
  • Fuel Injector O-Ring Not Included
  • Meets Performance Standards
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FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1011-1)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

from

$52.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • PROPRIETARY COATING – Nonstick anti-friction coating seals small surface imperfections
  • NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
  • SUPERIOR SEAL – Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
  • STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Mr. Gasket – Ultra Seal: Harmonic Balancer Bolt/Washer Kit (Part No.7847)

Ultra Seal: Harmonic Balancer Bolt/Washer Kit

from

$45.49
Mr. Gasket Harmonic Balancer Bolt for Ford V8 except 351C. Fits 221,260,289,302,351W small block Windsor engines, 332,352,360,390,406,410,427,428 FEs, and 429,460 385 series big blocks. 5/8-18 x 2 inch long heat treated black oxide coated Grade 8 alloy steel with a thick parallel ground washer to provide accurate, uniform torque.

Product Features:
  • Heat treated black oxide coated Grade 8 alloy steel
  • Thick parallel ground washer provides more accurate, uniform torque
  • Hex Prevents Socket Slippage
  • Accurate And Uniform Torque
  • Black Plated Finish
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Competition Cams – Xtreme Energy 212/218 Hydraulic Flat Cam (Part No.33-234-4)

Xtreme Energy 212/218 Hydraulic Flat Cam

from

$297.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts,

Product Features:
  • Excellent performance in street carbureted applications.
  • More vacuum allows an increase in duration for improved performance and assists power brakes.
  • Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
  • Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
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FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1684)

Engine Valve Cover Gasket Set

from

$50.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Rigid core, molded silicone rubber gaskets provide for ease of installation, and are great for on-again/off-again situations (like setting valve lash).
  • Features high-tech silicone material for long life, a solid steel core for strength and durability, and stainless steel compression limiters to prevent
  • Not intended for use in emission controlled vehicles.
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Competition Cams – Ultra Pro Magnum Xd Rockers With 1.7 Ratio For Ford 289, 302, 351W With 7/16" Stud (Part No.1834-16)

Ultra Pro Magnum Xd Rockers With 1.7 Ratio For Ford 289, 302, 351W 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 1834 rockers feature a 1.7 ratio for use with 7/16″ stud Ford 289, 302 and 351 Windsor.

Product Features:
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Competition Cams – High Energy Rocker Set With 1.6 Ratio For ’68-’77 Ford 289-351W With 3/8" Stud (Part No.1231-16)

High Energy Rocker Set With 1.6 Ratio For '68-'77 Ford 289-351W With 3/8" Stud

from

$232.99
Perfect for stock or High Energy camshaft equipped engines, our High Energy rockers eliminate slop and feature a long slot for high lift cams. These 1231 rockers feature a 1.6 ratio for 3/8″ stud ’78-’77 Ford 289, 302 and 351 Windsor.

Product Features:
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Edelbrock – Water Pump for Small-Block Ford 351W in Satin Finish (Part No.8843)

Water Pump for Small-Block Ford 351W in Satin Finish

from

$324.99
Maximum cooling for street and racing engines. Internal passages are balanced for maximum flow. Impeller is larger than others for maximum pressure. Impeller vanes dramatically increase flow rates. Equal distribution to both sides of block. Only flows in one direction for optimum efficiency. In the early days of the automotive performance industry, you either ran what was available, or you fabricated something you thought met your needs. Such needs were the building blocks of this industry, and it was through the efforts of many that we have the automotive aftermarket, but it was through the work of one name in particular to which many in the industry owe a great debt, and that name is Edelbrock.

Product Features:
  • Maximum Cooling for Street and Racing Engines
  • Internal Passages Are Balanced for Maximum Flow
  • Impeller is Larger than Others For Max Pressure
  • Impeller Vanes Dramatically Increase Flow Rates
  • Equal Distribution to Both Sides of Block
  • Only Flows in One-Direction for Optimum Efficiency
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Edelbrock – Water Pump for Small-Block Ford in Satin Finish (Part No.8841)

Water Pump for Small-Block Ford in Satin Finish

from

$308.99
Maximum cooling for street and racing engines. Internal passages are balanced for maximum flow. Impeller is larger than others for maximum pressure. Impeller vanes dramatically increase flow rates. Equal distribution to both sides of block. Only flows in one direction for optimum efficiency. In the early days of the automotive performance industry, you either ran what was available, or you fabricated something you thought met your needs. Such needs were the building blocks of this industry, and it was through the efforts of many that we have the automotive aftermarket, but it was through the work of one name in particular to which many in the industry owe a great debt, and that name is Edelbrock.

Product Features:
  • Maximum Cooling for Street and Racing Engines
  • Internal Passages Are Balanced for Maximum Flow
  • Impeller is Larger than Others For Max Pressure
  • Impeller Vanes Dramatically Increase Flow Rates
  • Equal Distribution to Both Sides of Block
  • Only Flows in One-Direction for Optimum Efficiency
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Competition Cams – High Energy 6.881" Long, 5/16" Diameter Pushrod – Set of 16 (Part No.7831-16)

High Energy 6.881" Long, 5/16" Diameter Pushrod - Set of 16

from

$66.99
High Energy Pushrods from COMP Cams are an affordable, high quality solution when building street rods, RVs and daily drivers. High Energy Pushrods have a durable one-piece construction that meets or exceeds all OE pushrod specifications and fit perfectly with High Energy and Magnum Rocker Arms.

Product Features:
  • 5/16″ diameter, 6.881″ length for Small Block Ford 255 and 302, ’65-up with Flat Tappet Cam
  • Best choice when building street rods, RVs or daily drivers
  • Meet or exceed all OE pushrod specifications
  • Mate perfectly with High Energy and Magnum Rockers
  • Durable one-piece construction
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Competition Cams – High Energy 10.136" Long, 5/16" Diameter Pushrod Set of 12 (Part No.7866-12)

High Energy 10.136" Long, 5/16" Diameter Pushrod Set of 12

from

$43.99
High Energy 10.136" Long, 5/16" Diameter Pushrod Set of 12

Competition Cams – VALVE SEALS, 11/32" TEFLON 1 ST (Part No.503-16)

VALVE SEALS, 11/32" TEFLON 1 ST

from

$223.99
COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger-than-stock diameter spring is used, in the case of a double spring, the positive-stop Teflon seal is used. The umbrella seals require no machining, but with the Teflon seal it is necessary to disassemble the heads and machine the top of the guide with a special .530 diameter cutter. Whenever you are planning an engine overhaul or a cam change, don’t forget the valve seals.

Product Features:
  • Work with .530″ guides and 11/32″ valve stem diameter
  • Valve stem oil seals keep unwanted oil from entering the combustion chamber
  • Several different types of valve seals are offered
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Competition Cams – Valve Seals, Umbrella 11/32" 1 St (Part No.502-16)

Valve Seals, Umbrella 11/32" 1 St

from

$230.99
COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger-than-stock diameter spring is used, in the case of a double spring, the positive-stop Teflon seal is used. The umbrella seals require no machining, but with the Teflon seal it is necessary to disassemble the heads and machine the top of the guide with a special .530 diameter cutter. Whenever you are planning an engine overhaul or a cam change, don’t forget the valve seals.

Product Features:
  • Work with stock guides and 11/32″ valve stem diameter
  • Valve stem oil seals keep unwanted oil from entering the combustion chamber
  • Several different types of valve seals are offered
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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
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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
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B & M – Torque Converter, Holeshot 2400 (Part No.40422)

Torque Converter, Holeshot 2400

from

$637.99
A higher than stock stall speed as delivered by a B&M Converter will provide several advantages. The high stall converter allows the engine to launch the car at a higher RPM where more torque is available and increased strength. Due to torque converter co

Product Features:
  • Furnace Brazed Impeller
  • Steel Alloy Pump Drive Tube
  • Heavy Duty Needle Bearing
  • Between Stator and Turbine
  • Furnace Brazed Turbine
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B & M – Holeshot 2400 (Part No.40412)

Holeshot 2400

from

$849.99
Holeshot 2400 for Ford 1966-1991 C6 with 332, 352, 360, 390, 406, 427, 428, 429 cid with 1.848 in. crank pilot (3) Application: Ford 1966 to 1991 C6 with 332, 352, 360, 390, 406, 427, 428, 429 cid with 1.848 crank pilot (3) Furnace brazed impeller New pre

Product Features:
  • Furnace Brazed Impeller
  • Steel Alloy Pump Drive Tube
  • Heavy Duty Needle Bearing
  • Between Stator and Turbine
  • Furnace Brazed Turbine
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Performance Engines Brands You Can Trust For Your Mercury Comet

5 trusted brands of Performance Engines line our shelves, ready to help keep your Mercury Comet running smooth. Below are some of the most popular brands and their top Performance Engines offerings:

Popular Competition Cams Performance Engines

Competition Cams products for the Mercury Comet span several categories. Some of the highest-rated Competition Cams Performance Engines that will fit your Mercury Comet are:
(16) Positive Stop PTFE Valve Seals: for 3/8" Valves and .530" Guides
from $33.99
(1)
(16) Positive Stop PTFE Valve Seals: for 3/8" Valves and .530" Guides
Performance Engine Valve Stem Seal Sets
Xtreme Energy 230/236 Hydraulic Flat Cam and Lifter Kit
from $426.99
(2)
Xtreme Energy 230/236 Hydraulic Flat Cam and Lifter Kit
Performance Engine Camshaft and Lifter Kits
Magnum Roller Rocker Arms for Ford; 3/8" Stud, 1.6 Ratio
from $350.99
(1)
Magnum Roller Rocker Arms for Ford; 3/8" Stud, 1.6 Ratio
Performance Engine Rocker Arms

Top Mercury Comet Performance Engines from Mr. Gasket

Your Mercury Comet will be purring again thanks to Mr. Gasket brand Performance Engines available for online order or in-store pick up. Popular Mr. Gasket parts include:
High Performance 180 Degree Thermostat for Increased Flow
from $29.99
(20)
High Performance 180 Degree Thermostat for Increased Flow
Performance Engine Coolant Thermostats
High Performance Thermostat - 160 Degree Brass & Copper
from $29.99
(12)
High Performance Thermostat – 160 Degree Brass & Copper
Performance Engine Coolant Thermostats
Water Neck
from $23.79
(12)
Water Neck
Performance Water Outlets

Most Purchased Mercury Comet Performance Engines from Edelbrock

When you buy the most frequently purchased Edelbrock brand Performance Engines, you can be confident it will be the right part for your Mercury Comet. Here are the Edelbrock Performance Engines Advanced Auto customers buy the most:
Performer 390 Intake Manifold for Ford FE, Satin Finish
from $597.99
(1)
Performer 390 Intake Manifold for Ford FE, Satin Finish
Performance Intake Manifolds
High Performance 180 Degree Thermostat for Increased Flow
from $29.99
(20)
High Performance 180 Degree Thermostat for Increased Flow
Performance Engine Coolant Thermostats
Lower Intake Manifold Gasket Set: 11 Piece Set
from $35.99
(4)
Lower Intake Manifold Gasket Set: 11 Piece Set
Performance Engine Intake Manifold Gaskets

FAQs for Mercury Comet Performance Engines

What are the most purchased Performance Engines for the Mercury Comet?

Out of 234 Performance Engines for the Mercury Comet, the most popular in our inventory are:
Lower Intake Manifold Gasket Set: 11 Piece Set
from $35.99
(4)
Lower Intake Manifold Gasket Set: 11 Piece Set
Performance Engine Intake Manifold Gaskets
High Performance Thermostat
from $32.49
This product is not rated
High Performance Thermostat
Performance Engine Coolant Thermostats
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
from $52.99
(2)
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
Performance Engine Cylinder Head Gaskets

What are the top-rated Mercury Comet Performance Engines?

Top-rated Performance Engines for your Mercury Comet based on customer reviews/ratings are:
Water Pump for Small-Block Ford in Satin Finish
from $308.99
(1)
Water Pump for Small-Block Ford in Satin Finish
“Looks good with aluminum heads and manifold.”
Engine Valve Cover Gasket Set
from $50.99
(1)
Engine Valve Cover Gasket Set
“good”
Magnum 253/253 Hydraulic Flat Cam
from $297.99
(1)
Magnum 253/253 Hydraulic Flat Cam
“Good service. Great people working there.”