1966 Mercury Commuter Performance Engines

Keep Your 1966 Mercury Commuter 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 1966 Mercury Commuter looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Valve Stem Seal Sets, Performance Engine Intake Manifold Gaskets, and Performance Engine Cylinder Head Gaskets. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Performance Engines from Trusted Brands

Looking for a reliable Performance Engine? We’ve got you covered with options from brands you know and trust like Competition Cams and Edelbrock. For example, Competition Cams Performance Engines start at just $33.99 with an average 4.1 star rating. Edelbrock offer similar pricing and quality, backed by strong customer feedback. With over 17 reviews and a solid 4 star average, you can shop with confidence knowing other Mercury Commuter owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1966 Mercury Commuter Performance Engine at Advance Auto Parts is around $250.87, with a range that starts at $7.99 and goes up to $823.99. With 57 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like PERFORMANCE OIL PAN GASKET SET, Lower Intake Manifold Gasket Set: 5 Piece Set, and Intake Manifold Gasket for 1985-1976 390-428 FE Fords start at just $29.99 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 Fuel Systems and Performance Ignition Products. At Advance Auto Parts, we’re here to help you keep your 1966 Mercury Commuter in peak condition, inside and out.

Find Your Specific 1966 Mercury Commuter Performance Engines

Looking for the perfect Performance Engine for your 1966 Mercury Commuter? You’re in the right place. Below, you’ll find links to various types of Performance Engines that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Performance Engines, ensuring durability and a precise fit for your Mercury Commuter. Whether you’re driving a 1966 model or another popular model year like 1961, 1962, 1963, 1964, 1965, 1967, and 1968, we’ve got you covered. Purchasing Performance Engines from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Performance Engines that fit your vehicle.

Essential 1966 Mercury Commuter Performance Engines

FEL-PRO Performance – Lower Intake Manifold Gasket Set: 5 Piece Set (Part No.1246)

Lower Intake Manifold Gasket Set: 5 Piece Set

from

$39.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Fel-Pro performance intake manifold gaskets have been tested with virtually all aftermarket cylinder head and intake manifold combinations.
  • Performance intake manifold gaskets designed without a metal core, to allow engine builders to trim the gasket for exact fit on modified ports.
  • Standard and Low riser
  • Printoseal elastomeric sealing beads to provide extra sealing strength around the intake port.
  • Not intended for use in emission controlled vehicles.
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Edelbrock – Intake Manifold Gasket for 1985-1976 390-428 FE Fords (Part No.7224)

Intake Manifold Gasket for 1985-1976 390-428 FE Fords

from

$30.99
Product Features:
  • Clean Positive Seal
  • Embossed Silicone Bead Surrounding The Port
  • Matched To Manifolds And Cylinder Heads
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Competition Cams – VALVE SEALS, TEFLON 3/8" 1 ST (Part No.505-16)

VALVE SEALS, TEFLON 3/8" 1 ST

from

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

Product Features:
  • Work with .530″ guides and 3/8″ valve stem diameter
  • Valve stem oil seals keep unwanted oil from entering the combustion chamber
  • Several different types of valve seals are offered
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(1 reviews)
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Competition Cams – Set of 16 Umbrella Valve Seals for Stock Guide Size, 11/32" Valve Stem (Part No.502-16)

Set of 16 Umbrella Valve Seals for Stock Guide Size, 11/32" Valve Stem

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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Competition Cams – Xtreme Energy 230/236 Hydraulic Flat Cam and Lifter Kit (Part No.CL33-248-4)

Xtreme Energy 230/236 Hydraulic Flat Cam and Lifter Kit

from

$426.99
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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(2 reviews)
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Competition Cams – High Energy 206/206 Hydraulic Flat Cam and Lifter Kit (Part No.CL33-221-3)

High Energy 206/206 Hydraulic Flat Cam and Lifter Kit

from

$648.99
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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Competition Cams – Mutha’ Thumpr 235/249 Hydraulic Flat Cam (Part No.31-602-5)

Mutha' Thumpr 235/249 Hydraulic Flat Cam

from

$367.99
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.

Product Features:
  • Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
  • Best with aftermarket converters and more rear gear.
  • Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.
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Competition Cams – Thumpr 227/241 Hydraulic Flat Cam (Part No.31-601-5)

Thumpr 227/241 Hydraulic Flat Cam

from

$340.99
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.

Product Features:
  • Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
  • Best with aftermarket converters and more rear gear.
  • Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.
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Competition Cams – Big Mutha’ Thumpr 243/257 Hydraulic Flat Cam (Part No.31-603-5)

Big Mutha' Thumpr 243/257 Hydraulic Flat Cam

from

$366.99
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.

Product Features:
  • Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
  • Best with aftermarket converters and more rear gear.
  • Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.
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Edelbrock – Pushrod Set for Small Block Ford 289-302 (Part No.9632)

Pushrod Set for Small Block Ford 289-302

from

$221.99
Product Features:
  • Case-Hardened Tubing
  • Surface Hardening
  • Welded Ends
  • 0.3125 in. Diameter
  • Use with or without Hardened Steel Guideplates
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Competition Cams – VALVE SPRINGS, 1.437" SINGLE 1 ST (Part No.942-16)

VALVE SPRINGS, 1.437" SINGLE 1 ST

from

$257.99
Single Outer Valve Springs from COMP Cams allow you to build the perfect spring assembly for your application. The valve spring creation process is far more involved than most people realize. Selecting the right metal stock and creating the best design is not done by chance. COMP Cams has developed a process that creates the highest quality valve spring available. The result is a product that meets and exceeds the expectations of today’s engine builders and racers.

Product Features:
  • Seat pressure: 115 lbs. @ 1.700″, Open Pressure: 284 lbs. @ 1.200″
  • O.D.: 1.437″, I.D.: 1.039″
  • Single valve springs with damper
  • Approximately .510″ max lift at recommended installed height
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(1 reviews)
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B & M – Holeshot 2400 (Part No.40412)

Holeshot 2400

from

$823.99
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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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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(2 reviews)
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Edelbrock – Cylinder Head Gasket Set for Ford (Part No.7337)

Cylinder Head Gasket Set for Ford

from

$65.99
Product Features:
  • Cylinder Head Gasket Set
  • 1958-1976 390-428
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FEL-PRO Performance – Performance Cylinder Head Gasket (Part No.1020)

Performance Cylinder Head Gasket

from

$39.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions.

Product Features:
  • Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
  • Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
  • Raises combustion sealing force to roughly three times that of standard head gaskets.
  • Steel wire rings for the greatest combustion seal strength.
  • Not intended for use in emission controlled vehicles.
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(1 reviews)
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Edelbrock – Performer Series Retainer (Qty 16) (Part No.9724)

Performer Series Retainer (Qty 16)

from

$106.99
Product Features:
  • Use W/ Valve Springs Part #5822, 5882, 5896, 5872, 5867, 5812, 5857
  • Set of 16
  • 1.50 in. Outside Diameter
  • Steel Material
  • Black Oxide Finish
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Edelbrock – Performer Series Retainer (Qty 16) (Part No.9733)

Performer Series Retainer (Qty 16)

from

$141.99
Product Features:
  • Use W/ Valve Springs Part #5722, 5796
  • Set of 16
  • 1.50 in. Outside Diameter
  • Steel Material
  • Black Oxide Finish
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FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1817)

PERFORMANCE OIL PAN GASKET SET

from

$29.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Felcoid/Plus gaskets have a fiber sheet core and a latex rubber coating to eliminate potential leakage paths. The core material resists crushing and splitting, while providing excellent blowout resistance.
  • With steel core to provide ultimate excellent blowout resistance.
  • Not intended for use in emission controlled vehicles.
See More
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Mr. Gasket – Ultra Seal: Oil Pan Gasket (Part No.6683)

Ultra Seal: Oil Pan Gasket

from

$68.99
High performance, race quality gasket with molded rubber coating over a steel core. Steel core provides rigidity and durability, preventing prevent push out while the molded rubber coating helps seal minor oil pan rail irregularities. The one piece design eliminates the need for separate end seals to make installation easier and even further reduce the possibility of oil leakage. Provides excellent sealing and durability. Excellent replacement for stock original equipment, high performance street, drag race and oval track. Includes gasket and new oil pan bolts.

Product Features:
  • Steel core provides rigidity, durability and prevents gasket push out
  • Molded rubber coating seals minor irregularities in pan surface
  • One piece design is easier to install and even less prone to leak
  • Direct replacement suitable for all uses – street, racing, heavy duty
  • Include both gasket and new oil pan bolts
  • No Cork Particles
  • Easy Removal For Disassembly
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Popular 1966 Mercury Commuter Performance Engines Categories

Performance Engine Cylinder Head Gaskets
Performance Engine Cylinder Head Gaskets
Performance Engine Camshaft and Lifter Kits
Performance Engine Camshaft and Lifter Kits
Performance Engine Intake Manifold Gaskets
Performance Engine Intake Manifold Gaskets
Performance Engine Timing Sets and Components
Performance Engine Timing Sets and Components
Performance Engine Valve Springs
Performance Engine Valve Springs
Performance Engine Camshafts
Performance Engine Camshafts
Performance Engine Oil Pan Gaskets
Performance Engine Oil Pan Gaskets
Performance Engine Valve Lifters
Performance Engine Valve Lifters
Performance Engine Push Rods
Performance Engine Push Rods
Performance Engine Valve Spring Retainer
Performance Engine Valve Spring Retainer
Performance Torque Converters
Performance Torque Converters
Performance Engine Camshaft Bolts
Performance Engine Camshaft Bolts
Performance Engine Valve Stem Seal Sets
Performance Engine Valve Stem Seal Sets

Most Popular Performance Engine Valve Stem Seal Set for 1966 Mercury Commuters

Enhance your 1966 Mercury Commuter with this popular Performance Engine Valve Stem Seal Set we have in stock, for $33.99.
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Competition Cams – VALVE SEALS, TEFLON 3/8" 1 ST (Part No.505-16)

VALVE SEALS, TEFLON 3/8" 1 ST

from

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

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

(1 reviews)
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Best-Selling 1966 Mercury Commuter Performance Engine Intake Manifold Gaskets

Upgrade your Commuter with one of our 2 best-selling Performance Engine Intake Manifold Gaskets.
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FEL-PRO Performance – Lower Intake Manifold Gasket Set: 5 Piece Set (Part No.1246)

Lower Intake Manifold Gasket Set: 5 Piece Set

from

$39.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Fel-Pro performance intake manifold gaskets have been tested with virtually all aftermarket cylinder head and intake manifold combinations.
  • Performance intake manifold gaskets designed without a metal core, to allow engine builders to trim the gasket for exact fit on modified ports.
  • Standard and Low riser
  • Printoseal elastomeric sealing beads to provide extra sealing strength around the intake port.
  • Not intended for use in emission controlled vehicles.
See More
View Product

Edelbrock – Intake Manifold Gasket for 1985-1976 390-428 FE Fords (Part No.7224)

Intake Manifold Gasket for 1985-1976 390-428 FE Fords

from

$30.99
Product Features:
  • Clean Positive Seal
  • Embossed Silicone Bead Surrounding The Port
  • Matched To Manifolds And Cylinder Heads
See More
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Top-Quality Performance Engine Cylinder Head Gaskets for 1966 Mercury Commuters

Choose a high-quality OEM or aftermarket Performance Engine Cylinder Head Gasket for Mercury Commuters and enjoy top-notch performance from $39.99.
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FEL-PRO Performance – Performance Cylinder Head Gasket (Part No.1020)

Performance Cylinder Head Gasket

from

$39.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions.

Product Features:
  • Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
  • Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
  • Raises combustion sealing force to roughly three times that of standard head gaskets.
  • Steel wire rings for the greatest combustion seal strength.
  • Not intended for use in emission controlled vehicles.
See More

(1 reviews)
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Edelbrock – Cylinder Head Gasket Set for Ford (Part No.7337)

Cylinder Head Gasket Set for Ford

from

$65.99
Product Features:
  • Cylinder Head Gasket Set
  • 1958-1976 390-428
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Our Top Pick for a 1966 Mercury Commuter Performance Engine Timing Sets and Component

Invest in a durable Performance Engine Timing Sets and Component for your 1966 Mercury, knowing you’re getting trusted brands and expert craftsmanship.
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Competition Cams – ENGINE TIMING SET (Part No.3208)

ENGINE TIMING SET

from

$56.99
ENGINE TIMING SET
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Our Performance Engine Oil Pan Gaskets for 1966 Mercury Commuters

Make a smart move for your 1966 Mercury Commuter with our Performance Engine Oil Pan Gasket for $29.99.
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FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1817)

PERFORMANCE OIL PAN GASKET SET

from

$29.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Felcoid/Plus gaskets have a fiber sheet core and a latex rubber coating to eliminate potential leakage paths. The core material resists crushing and splitting, while providing excellent blowout resistance.
  • With steel core to provide ultimate excellent blowout resistance.
  • Not intended for use in emission controlled vehicles.
See More
View Product

Top-Rated Performance Engine Brands For Your 1966 Mercury Commuter

When it comes to finding the perfect Performance Engine for your 1966 Mercury Commuter, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 trusted brands. We carry the most popular Performance Engine brands including Edelbrock and Competition Cams, and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $33.99. Purchasing a Performance Engine from us here at Advance Auto Parts is a smart move for both you and your 1966 Mercury Commuter, providing peace of mind with parts that meet or exceed OEM standards.

Popular Edelbrock 1966 Mercury Commuter Performance Engines

If you’re looking for a top-quality Performance Engine for your 1966 Mercury Commuter, Advance Auto Parts has exactly what you need with our selection of Edelbrock Performance Engines. We have 1 Edelbrock Performance Engines in stock for this fitment, all known for their durability and precision fit. With prices starting at just $392.99, you’ll find the perfect Performance Engine for your needs and budget. Edelbrock Performance Engines for the 1966 Mercury Commuter come highly rated, with over 1 customer reviews and an impressive average rating of 4.4 stars. Choosing a Edelbrock Performance Engine from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Performer-Plus Camshaft Kit for Ford FE 352-428 V8
from $392.99
(1)
Performer-Plus Camshaft Kit for Ford FE 352-428 V8
“1964 Ford Galaxie 500 352ci FE Big Block. Edelbrock says to use the Performer-Plus Camshaft part #2106 to increase performance, but Advanced Auto(you)”

Top-Quality Competition Cams 1966 Mercury Commuter Performance Engines

For those in search of a high-quality Performance Engine for their 1966 Mercury Commuter, Advance Auto Parts offers a great selection of Competition Cams Performance Engines. With 2 Competition Cams Performance Engines in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Performance Engines start at just $33.99, with an average price of $230.49, giving you a range of options to suit your budget. Backed by over 3 customer ratings and an average rating of 4.1 stars, Competition Cams Performance Engines provide both reliability and excellent performance. Choosing a Competition Cams Performance Engine from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Xtreme Energy 230/236 Hydraulic Flat Cam and Lifter Kit
from $426.99
(2)
Xtreme Energy 230/236 Hydraulic Flat Cam and Lifter Kit
“Chuck, George, and Carla were amazing. Very helpful and easy to work with.”
VALVE SEALS, TEFLON 3/8" 1 ST
from $33.99
(1)
VALVE SEALS, TEFLON 3/8" 1 ST
“As good as OEM.”

FAQs for 1966 Mercury Commuter Performance Engines

What are the best-selling Performance Engines for 1966 Mercury Commuters?

Out of 57 Performance Engines that fit 1966 Mercury Commuters, the following parts are the top sellers:

What’s the price range for 1966 Mercury Commuter Performance Engines?

The prices of Performance Engines for the 1966 Mercury Commuter range from $7.99 up to $823.99 for the most premium parts.

What is the average price of a Performance Engine for a 1966 Mercury Commuter?

The average price for Performance Engines for the 1966 Mercury Commuter is $250.87. 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 Mercury Commuter model years?

Yes, we carry Performance Engines for 6 model years of Mercury Commuters between 1961 and 1968. The following model years are the most popular for Performance Engine purchases: 1968, 1967, 1965, 1964, 1963, 1962, and 1961.

What are the cheapest Performance Engines for my 1966 Mercury Commuter?

The cheapest 1966 Mercury Commuter Performance Engines we carry are:

Does Advance Auto Parts sell Performance Engines for any other 1966 Mercury models?

Yes. We stock Performance Engines for 11 other popular 1966 Mercury models. Some of the most popular are 1966 Monterey Performance Engines, 1966 Marauder Performance Engines, 1966 Colony Park Performance Engines, 1966 Villager Performance Engines, and 1966 Capri Performance Engines.

What types of Performance Engines do you sell for my 1966 Mercury Commuter?

As of 11/2/25, these are some of the most in-demand types of Performance Engines for a 1966 Mercury Commuter:

Can I get help with 1966 Mercury Commuter Performance Engine orders?

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

What is your return policy for Mercury Commuter Performance Engines?

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

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