1974 Mercury Comet Performance Engines

More 1974 Mercury Comet Performance Engines

Find your specific 1974 Mercury Comet original or aftermarket Performance Engines below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.

Essential 1974 Mercury Comet Performance Engines

Mr. Gasket – Chrome Dress-Up Kit (Part No.9833)

Chrome Dress-Up Kit

from

$149.99
Kits include most popular chrome dress-up components, including short, OEM height valve covers with integral oil baffles.

Product Features:
  • Includes oil baffles
  • Chrome plated
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(1 reviews)
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FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2901)

Engine Crankshaft Seal Kit

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$31.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Fluoroelastomer compound combines optimum resistance to heat, oils and abrasion for longivity.
  • Optimizes performance under high crankcase vacuum conditions, elevated temperatures and high RPM levels.
  • Not intended for use in emission controlled vehicles.
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Edelbrock – Street Legal Performer; Cylinder Head (Part No.60349)

Street Legal Performer; Cylinder Head

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$668.99
50 state street legal aluminum cylinder head. Out-of-the-box bolt-on performance. Intake valves are used for stock pistons.

Product Features:
  • 50-State Street Legal Aluminum Cylinder Head
  • Out-of-the-Box Bolt-On Performance
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Edelbrock – INTAKE MANIFOLD (Part No.3723)

INTAKE MANIFOLD

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$354.99
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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FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1632)

Engine Valve Cover Gasket Set

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$31.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Blue Stripe performance cork-rubber gaskets use cork particles evenly distributed throughout a rubber binder resulting in a compressible gasket without leak paths.
  • Not intended for use in emission controlled vehicles.
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Edelbrock – Water Pump Ford 1965-67 289 cid Polished (Part No.8847)

Water Pump Ford 1965-67 289 cid Polished

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$397.99
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

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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FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1020)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

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$41.99
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 – Hex-A-Just By Cloyes Adj. True-Roller Timing Chain Set (Part No.7335)

Hex-A-Just By Cloyes Adj. True-Roller Timing Chain Set

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$185.99


Product Features:
  • Dial-In Your Camshaft With Ease
  • Made From Induction Hardened Billet Steel
  • Solid Bushing Chain Resists Stretching
  • Billet SAE-1144 Steel Crank Sprockets
  • Multiple Keyways
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Mr. Gasket – Ultra Seal; Sure-Lock Rocker Arm Nuts (Part No.923G)

Ultra Seal; Sure-Lock Rocker Arm Nuts

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$77.99
Designed to keep the rocker arms positively locked for precise and critical valve train adjustments. Manufactured from quality grade steel, then heat-treated for extra strength and plated with a durable finish. Kits include 16 rocker arm nuts with socket head set screws and one hex key wrench.

Product Features:
  • Sure-lock rocker arm nuts
  • Precise valve train adjustment
  • Keep rocker arms locked
  • High-quality grade steel
  • Heat-treated for ex strength
  • Plated with durable gold tone finish
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Competition Cams – ROCKER ARMS, DIE CAST ALUM SMALL BLOCK FORD 1.6 1 ST (Part No.17043-16)

ROCKER ARMS, DIE CAST ALUM SMALL BLOCK FORD 1.6 1 ST

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$237.99
The COMP Cams High Energy Die-Cast Aluminum Roller Rocker Arms are new rocker arms from the valve train leader that have been designed for street and moderate race use. They feature a die-cast body created from aluminum with a needle bearing fulcrum and roller tip. The die-cast, larger than stock body offers the strength properties and light weight of aluminum while the specially engineered fulcrum and roller tip decrease friction and lower oil temperatures, thus improving response and horsepower.

Product Features:
  • Cost effective aluminum construction provides superior strength to weight ratio
  • Needle bearing fulcrum and roller tip reduce friction and lower oil temperatures for improved response and horsepower
  • Durable design increases valve lift while withstanding the rigors of moderate race use
  • Die-formed aluminum body is larger than stock, and may require modifications to stock valve covers for clearance.
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(1 reviews)
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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

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$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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Mr. Gasket – Intake Gasket (Part No.223)

Intake Gasket

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$35.99
Mr. Gasket standard intake gasket sets are manufactured from a blend of nitrile rubber and fiber, for excellent sealing and durability. They’re precision die-cut for each specific application to ensure a great fit, and can be custom-trimmed for modified ports where needed. The sets come complete with all necessary seals and block-off plates.

Product Features:
  • Designed to ensure excellent sealing
  • Provides long lasting durability
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Mr. Gasket – Ultra Seal; Oil Pan Gasket (Part No.6683)

Ultra Seal; Oil Pan Gasket

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$54.99
Manufactured from cellulose and nitrile composition gasket material. A black latex rubber coating is applied to outside of gasket to help seal minor oil pan rail irregularities and eliminate the possibility of oil leakage. Provides excellent sealing and durability. Complete with molded rubber front/rear oil pan seals where applicable. For OE replacement, high performance street, drag race and oval track.

Product Features:
  • Maxi-seal fiber material
  • Superior blow-out resistance
  • High-tensile strength
  • Reduces gasket splitting
  • Graphite non-wicking rubber
  • No cork particles
  • Easy removal for disassembly
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FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1810)

PERFORMANCE OIL PAN GASKET SET

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$27.49
Fel-Pro Performance Gaskets keep engines sealed under the most grueling racing conditions, from stock car racing to drag racing to off-road

Product Features:
  • Performance oil pan gasket set
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
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Mr. Gasket – Ultra Seal; Harmonic Balancer Bolt/Washer Kit (Part No.7847)

Ultra Seal; Harmonic Balancer Bolt/Washer Kit

from

$35.99
The grade 8 bolts feature high hex head to prevent socket slippage. The thick parallel ground washer allows accurate uniform torque. Black finished, complete with split lock washer to prevent loosening.

Product Features:
  • Grade 8 material
  • Heat-treated for strength
  • Hex prevents socket slippage
  • Accurate and uniform torque
  • Black plated finish
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Mr. Gasket – Super Intake Manifold Bolts (Part No.6082)

Super Intake Manifold Bolts

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$40.99
Super Intake Manifold Bolts
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Edelbrock – Sure Seat Valve Springs for Ford 390-428 FE V8 1961-1976 (Part No.5806)

Sure Seat Valve Springs for Ford 390-428 FE V8 1961-1976

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$72.99
Product Features:
  • Non-Rotator Type
  • 1.458 in. Outer Diameter
  • 1.062 in. Inner Diameter
  • 1.062 in. Coil Blind
  • Set of 16
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Edelbrock – Sure Seat Valve Springs for S/B Ford 289/302/351W O.E. Cast iron heads (Part No.5722)

Sure Seat Valve Springs for S/B Ford 289/302/351W O.E. Cast iron heads

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$76.99
Springs made of highest quality spring wire. Springs precision wound to close tolerances. Non-Rotator style: Dyno tested and street proven. Great match to Edelbrock camshaft kit.

Product Features:
  • For Use With Cast Iron Heads
  • Springs Made of Highest Quality Spring Wire
  • Springs Precision Wound To Close Tolerances
  • Use with Original Equipment Heads Only
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Competition Cams – High Energy 206/206 Hydraulic Flat Cam for Ford 221-302 (Part No.31-215-2)

High Energy 206/206 Hydraulic Flat Cam for Ford 221-302

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$550.99
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. Offering

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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Edelbrock – 289-302 Ford Head Bolt Kit (Part No.8552)

289-302 Ford Head Bolt Kit

from

$107.99


Product Features:
  • Highest Quality Head Bolts
  • Cold-Formed/Heat Treated
  • Ensures Molecular Integrity
  • Reduced Diameter Bolt Heads
  • Hardened/Parallel-Ground Washers Included
  • Rated At 170000 psi
  • Manufactured By ARP
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(7 reviews)
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Edelbrock – Performer Series Retainer (Qty 16) (Part No.9724)

Performer Series Retainer (Qty 16)

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$100.99
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 – Pushrod Set for Ford 351W (Part No.9659)

Pushrod Set for Ford 351W

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$190.99
Edelbrock part #9659 Pushrods are designed for small-block Ford 351W V-8 engine applications. These one-piece pushrods are manufactured from high quality 4130 Chromoly steel tubing that has been surface hardened for maximum durability. They have precise f

Product Features:
  • 7.7 in. Length
  • 0.312 in. Diameter
  • 4130 Chromoly Steel Material
  • Black Oxide Finish
  • Made In The USA
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Edelbrock – Pushrod Set for Small Block Ford 289-302 (Part No.9632)

Pushrod Set for Small Block Ford 289-302

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$210.99
Product Features:
  • Case-Hardened Tubing
  • Surface Hardening
  • Welded Ends
  • 0.3125 in. Diameter
  • Use with or without Hardened Steel Guideplates
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Popular 1974 Mercury Comet Performance Engines Categories

Performance Intake Manifolds
Performance Intake Manifolds
Performance Engine Dress-Up Kits
Performance Engine Dress-Up Kits
Performance Engine Water Pumps
Performance Engine Water Pumps
Performance Engine Cylinder Head Gaskets
Performance Engine Cylinder Head Gaskets
Performance Engine Harmonic Balancers
Performance Engine Harmonic Balancers
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 Valve Cover Gasket Sets
Performance Engine Valve Cover Gasket Sets
Performance Engine Rocker Arms
Performance Engine Rocker Arms
Performance Engine Camshafts
Performance Engine Camshafts
Performance Engine Oil Pan Gaskets
Performance Engine Oil Pan Gaskets
Performance Intake Manifold Hardware
Performance Intake Manifold Hardware
Performance Engine Main Bearing Gasket Sets
Performance Engine Main Bearing Gasket Sets
Performance Engine Cylinder Head Bolts
Performance Engine Cylinder Head Bolts
Performance Engine Push Rods
Performance Engine Push Rods
Performance Engine Cylinder Heads
Performance Engine Cylinder Heads
Performance Engine Valve Spring Retainer
Performance Engine Valve Spring Retainer

1974 Mercury Comet Performance Engines

Maybe you’re in the middle of a full rebuild of that 1974 Mercury Comet. Maybe you just need a couple of Performance Engines. Either way, Advance Auto Parts has 38 different Performance Engines in our inventory ranging from $19.99 to $958.99. That means you can find the exact parts or products you need to keep that 1974 Mercury Comet running smoothly.

Performance Engines are only as good as their brand. We stock 4 different brands to make sure you have plenty of trusted parts to choose from for your 1974 Mercury Comet. FEL-PRO Performance, Mr. Gasket, and Edelbrock are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Performance Engines for your 1974 Mercury Comet, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 22 reviews in this category, some of the top rated parts include Chrome Dress-Up Kit with 2.0 stars and ROCKER ARMS, DIE CAST ALUM SMALL BLOCK FORD 1.6 1 ST with 1.0 stars.

So if you’re in the market for aftermarket Performance Engines to keep your 1974 Mercury Comet rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Performance Engines Brands To Make Your 1974 Mercury Comet Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1974 Mercury Comet demands trusted brand parts and products to keep it running. Many trusted brands of Performance Engines make up Advance Auto Parts’ inventory, and all are ready to help make your Comet the best it can be. Be sure to browse some of our top Performance Engines brands and parts.

Popular FEL-PRO Performance Performance Engines

We carry FEL-PRO Performance parts in our stock across Performance Engine Intake Manifold Gaskets categories, plus more. For a 1974 Mercury Comet, our most popular FEL-PRO Performance Performance Engines include:
Lower Intake Manifold Gasket Set: 5 Piece Set
from $31.49
(1)
Lower Intake Manifold Gasket Set: 5 Piece Set
Performance Engine Intake Manifold Gaskets
Lower Intake Manifold Gasket Set: 11 Piece Set
from $33.99
(4)
Lower Intake Manifold Gasket Set: 11 Piece Set
Performance Engine Intake Manifold Gaskets
Engine Valve Cover Gasket Set
from $46.99
(1)
Engine Valve Cover Gasket Set
Performance Engine Valve Cover Gasket Sets

FAQs for 1974 Mercury Comet Performance Engines

What are the most purchased Performance Engines for the 1974 Mercury Comet?

Out of 38 Performance Engines for the 1974 Mercury Comet, the most popular in our inventory are:
Intake Manifold Bolts
from $19.99
(1)
Intake Manifold Bolts
Performance Intake Manifolds
Intake Manifold Gasket for 1963-1996 Small-Block Fords
from $28.99
(1)
Intake Manifold Gasket for 1963-1996 Small-Block Fords
Performance Engine Intake Manifold Gaskets
289-302 Ford Head Bolt Kit
from $107.99
(7)
289-302 Ford Head Bolt Kit
Performance Engine Cylinder Head Bolts

What are the top-rated 1974 Mercury Comet Performance Engines?

Top-rated Performance Engines for your 1974 Mercury Comet based on customer reviews/ratings are:
Chrome Dress-Up Kit
from $149.99
(1)
Chrome Dress-Up Kit
“I expected a better chrome plating/finish on this kit. However, for the money it is a good kit. I would recommend this for daily driver restoration ”
ROCKER ARMS, DIE CAST ALUM SMALL BLOCK FORD 1.6 1 ST
from $237.99
(1)
ROCKER ARMS, DIE CAST ALUM SMALL BLOCK FORD 1.6 1 ST
“These things break very easy. Not a big fan of the soft brass when trying to install them with the screwdriver head they use. Change it hex and it woy”

More Popular Parts for All Makes