1994 Mercury Cougar Performance Engines

Keep Your 1994 Mercury Cougar 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 1994 Mercury Cougar looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Camshafts, Performance Engine Rocker Arms, and Performance Engine Coolant Thermostats. 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. For example, Competition Cams Performance Engines start at just $528.99 with an average 4.1 star rating. With over 47 reviews and a solid 4 star average, you can shop with confidence knowing other Mercury Cougar owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1994 Mercury Cougar Performance Engine at Advance Auto Parts is around $379.71, with a range that starts at $10.99 and goes up to $1,041.00. With 23 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like High Performance Thermostat, Steel Retainer for Set of 16, and ENGINE ROCKER ARM start at just $31.99 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 Oil Filters and Programmers. At Advance Auto Parts, we’re here to help you keep your 1994 Mercury Cougar in peak condition, inside and out.

Essential 1994 Mercury Cougar Performance Engines

Competition Cams – Big Mutha’ Thumpr 243/257 Hydraulic Roller Cam (Part No.34-602-9)

Big Mutha' Thumpr 243/257 Hydraulic Roller Cam

from

$531.99
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.
See More

Competition Cams – Mutha’ Thumpr 234/249 Hydraulic Flat Cam (Part No.34-601-5)

Mutha' Thumpr 234/249 Hydraulic Flat Cam

from

$438.99
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.
See More

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.
See More

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.
See More

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

from

$249.99
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.
See More

Competition Cams – Magnum Roller 1.6 Ratio Rocker Arm Set (Part No.1431-16)

Magnum Roller 1.6 Ratio Rocker Arm Set

from

$350.99
These Magnum Roller Rocker Arms for Ford V8 289-351W (Rail Type) 1968-89 applications are the ultimate street rocker. With a 3/8″ stud diameter and 1.6 ratio, they are designed for serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly steel, which is a superior material that will not flex and assures maximum lift. Their roller tip reduces friction, while stiff design and superior ratio accuracy yield more effective valve lift. With a 15 to 30 horsepower increase over other rocker arms, Magnum Roller Rockers are perfect for performance applications with less than 350 lbs. open spring pressure. Don’t accept inferior products or cheap knock-offs, look for the COMP Cams logo stamped into the underside of every Magnum Rocker.

Product Features:
  • Ultimate street rocker designed for serious performance enthusiasts
  • Constructed from 8620 chromemoly steel, a superior material that will not flex and assures maximum lift
  • Roller tip reduces friction while stiff design and superior ratio accuracy yields more effective valve lift
  • 15 to 30 horsepower increase over stock rocker arms
  • Use in any applications with less than 350 lbs. open spring pressure
See More

Competition Cams – Rocker Arms,FS/FW 1.6 7/16 Ultra Pro Mag (Part No.1632-16)

Rocker Arms,FS/FW 1.6 7/16 Ultra Pro Mag

from

$476.99
Rocker Arms,FS/FW 1.6 7/16 Ultra Pro Mag

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
See More

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
See More

Competition Cams – VALVE SPRING KIT, FOR LS 1.310" BEEHIVE 1 KT (Part No.26918CS-KIT)

VALVE SPRING KIT, FOR LS 1.310" BEEHIVE 1 KT

from

$528.99
This Beehive Valve Spring Kit for LS engines is designed for hydraulic roller cams and includes carefully matched Beehive Springs, steel retainers, locks, seals and spring seats. With a .625″ maximum lift, these Beehive Valve Springs deliver increased valve train stability and a much lighter valve train. This is achieved with less spring pressure for better valve control and reduced weight of both the spring and retainer. The unique Beehive shape handles valve train stress more efficiently to eliminate damaging harmonics and increases high RPM horsepower and durability. The oval/multi-arc wire shape places the maximum area of the wire at the point of highest stress to handle valve train stress more efficiently and allow better heat dissipation for longer life.Kit Includes:26918-16 Beehive Valve Springs774-16 Steel Retainers623-16 7° Steel Valve Locks511-16 Valve Seals4705-16 Spring Seats

Product Features:
  • Kit includes part #26918-16 Beehive valve springs and matching steel retainers, 7° valve locks, valve seals and spring seats
  • Kits designed for hydraulic roller cams
  • .625″ maximum lift springs
See More

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
See More

Mr. Gasket – High Performance Thermostat (Part No.4365)

High Performance Thermostat

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:
  • Opens At 195 Degrees
  • Designed to Resist Large Variations of Coolant Pressure at High RPM
  • Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
  • For High Performance Street, Drag Race, and Oval Track
  • Copper & Brass Construction – Resists Corrosion
  • High Flow
See More

Mr. Gasket – High Performance Thermostat – 160 Degree Brass & Copper (Part No.4363)

High Performance Thermostat - 160 Degree Brass & Copper

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:
  • Opens at 160 Degrees
  • Designed to Resist Large Variations of Coolant Pressure at High RPM
  • Fully opens at Correct Temperature Consistently Regardless of engine RPM
  • For High Performance Street, Drag Race, and Oval Track
  • Copper & Brass Construction – Resists Corrosion
  • High Flow
See More

Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)

High Performance 180 Degree Thermostat for Increased Flow

from

$29.99
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.

Product Features:
  • Opens At 180 Degrees
  • Designed to Resist Large Variations of Coolant Pressure at High RPM
  • Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
  • For High Performance Street, Drag Race, and Oval Track
  • Copper & Brass Construction – Resists Corrosion
  • High Flow
See More

Edelbrock – Pushrod Set for Ford 351M/400 (Part No.9633)

Pushrod Set for Ford 351M/400

from

$198.99
Product Features:
  • 9.5 in. Length
  • 0.312 in. Diameter
  • 4130 Chromoly Steel Material
  • Black Oxide Finish
  • Made In The USA
See More

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
See More

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

Pushrod Set for Ford 351W

from

$200.99
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
See More

Most Popular Performance Engine Camshafts for 1994 Mercury Cougars

Enhance your 1994 Mercury Cougar with one of the 6 Performance Engine Camshafts we have in stock, starting at just $1,004.00.

Competition Cams – XE 236/240 MOD2V (Part No.102300)

XE 236/240 MOD2V

from

$1041.00
XE 236/240 MOD2V

Competition Cams – XE 226/230 MOD2VPI (Part No.102500)

XE 226/230 MOD2VPI

from

$1041.00
XE 226/230 MOD2VPI

Competition Cams – XE 224/232MOD2V (Part No.102100)

XE 224/232MOD2V

from

$1041.00
XE 224/232MOD2V

Competition Cams – XE 242/246MOD2VPI (Part No.102700)

XE 242/246MOD2VPI

from

$1041.00
XE 242/246MOD2VPI

Competition Cams – XE 230/236 MOD2V (Part No.102200)

XE 230/236 MOD2V

from

$1041.00
XE 230/236 MOD2V

Competition Cams – TPX 212/222MOD2V (Part No.102525)

TPX 212/222MOD2V

from

$1004.00
TPX 212/222MOD2V

Best-Selling 1994 Mercury Cougar Performance Engine Rocker Arms

Upgrade your Cougar with one of our 2 best-selling Performance Engine Rocker Arms.

Competition Cams – ENGINE ROCKER ARM (Part No.1619-12)

ENGINE ROCKER ARM

from

$407.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1619-1)

ENGINE ROCKER ARM

from

$50.99
ENGINE ROCKER ARM

Top-Quality Performance Engine Coolant Thermostats for 1994 Mercury Cougars

Choose a high-quality OEM or aftermarket Performance Engine Coolant Thermostat for Mercury Cougars and enjoy top-notch performance from $29.49.

Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)

High Performance 180 Degree Thermostat for Increased Flow

from

$29.99
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.

Product Features:
  • Opens At 180 Degrees
  • Designed to Resist Large Variations of Coolant Pressure at High RPM
  • Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
  • For High Performance Street, Drag Race, and Oval Track
  • Copper & Brass Construction – Resists Corrosion
  • High Flow
See More

Mr. Gasket – High Performance Thermostat – 160 Degree Brass & Copper (Part No.4363)

High Performance Thermostat - 160 Degree Brass & Copper

from

$29.49
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.

Product Features:
  • Opens at 160 Degrees
  • Designed to Resist Large Variations of Coolant Pressure at High RPM
  • Fully opens at Correct Temperature Consistently Regardless of engine RPM
  • For High Performance Street, Drag Race, and Oval Track
  • Copper & Brass Construction – Resists Corrosion
  • High Flow
See More

Mr. Gasket – High Performance Thermostat (Part No.4365)

High Performance Thermostat

from

$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:
  • Opens At 195 Degrees
  • Designed to Resist Large Variations of Coolant Pressure at High RPM
  • Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
  • For High Performance Street, Drag Race, and Oval Track
  • Copper & Brass Construction – Resists Corrosion
  • High Flow
See More

Top Picks for 1994 Mercury Cougar Performance Engine Push Rods

Invest in one of our 2 durable Performance Engine Push Rods for your 1994 Mercury, knowing you’re getting trusted brands and expert craftsmanship.

Competition Cams – Magnum 7.150" Long, .080" Wall, 5/16" Diameter Pushrod Set (Part No.7635-16)

Magnum 7.150" Long, .080" Wall, 5/16" Diameter Pushrod Set

from

$225.99
Magnum 7.150" Long, .080" Wall, 5/16" Diameter Pushrod Set

Competition Cams – Magnum 7.150" Long, .080" Wall, 5/16" Diameter Pushrod (Part No.7635-1)

Magnum 7.150" Long, .080" Wall, 5/16" Diameter Pushrod

from

$15.99
Magnum 7.150" Long, .080" Wall, 5/16" Diameter Pushrod

Top-Rated Performance Engine Valve Springs for 1994 Mercury Cougars

Make a smart move for your 1994 Mercury Cougar with products all priced from $24.99 to $528.99.

Competition Cams – VALVE SPRING KIT, FOR LS 1.310" BEEHIVE 1 KT (Part No.26918CS-KIT)

VALVE SPRING KIT, FOR LS 1.310" BEEHIVE 1 KT

from

$528.99
This Beehive Valve Spring Kit for LS engines is designed for hydraulic roller cams and includes carefully matched Beehive Springs, steel retainers, locks, seals and spring seats. With a .625″ maximum lift, these Beehive Valve Springs deliver increased valve train stability and a much lighter valve train. This is achieved with less spring pressure for better valve control and reduced weight of both the spring and retainer. The unique Beehive shape handles valve train stress more efficiently to eliminate damaging harmonics and increases high RPM horsepower and durability. The oval/multi-arc wire shape places the maximum area of the wire at the point of highest stress to handle valve train stress more efficiently and allow better heat dissipation for longer life.Kit Includes:26918-16 Beehive Valve Springs774-16 Steel Retainers623-16 7° Steel Valve Locks511-16 Valve Seals4705-16 Spring Seats

Product Features:
  • Kit includes part #26918-16 Beehive valve springs and matching steel retainers, 7° valve locks, valve seals and spring seats
  • Kits designed for hydraulic roller cams
  • .625″ maximum lift springs
See More

Competition Cams – 12 Springs (Part No.26918-12)

12 Springs

from

$199.99
12 Springs

Competition Cams – 1 Spring (Part No.26113-1)

1 Spring

from

$24.99
1 Spring

Competition Cams – 1 Spring (Part No.26918-1)

1 Spring

from

$24.99
1 Spring

Top-Rated Performance Engine Brands For Your 1994 Mercury Cougar

When it comes to finding the perfect Performance Engine for your 1994 Mercury Cougar, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Performance Engine brands including Competition Cams, and more, all known for their exceptional customer ratings (average brand rating of 4.1 stars) and competitive prices, as low as $528.99. Purchasing a Performance Engine from us here at Advance Auto Parts is a smart move for both you and your 1994 Mercury Cougar, providing peace of mind with parts that meet or exceed OEM standards.

Popular Competition Cams 1994 Mercury Cougar Performance Engines

If you’re looking for a top-quality Performance Engine for your 1994 Mercury Cougar, Advance Auto Parts has exactly what you need with our selection of Competition Cams Performance Engines. We have 1 Competition Cams Performance Engines in stock for this fitment, all known for their durability and precision fit. With prices starting at just $528.99, you’ll find the perfect Performance Engine for your needs and budget. Competition Cams Performance Engines for the 1994 Mercury Cougar come highly rated, with over 15 customer reviews and an impressive average rating of 4.1 stars. Choosing a Competition Cams Performance Engine from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
VALVE SPRING KIT, FOR LS 1.310" BEEHIVE 1 KT
from $528.99
(15)
VALVE SPRING KIT, FOR LS 1.310" BEEHIVE 1 KT
“Part worked great. Very convenient.”

FAQs for 1994 Mercury Cougar Performance Engines

What are the best-selling Performance Engines for 1994 Mercury Cougars?

Out of 23 Performance Engines that fit 1994 Mercury Cougars, the following parts are the top sellers:

What’s the price range for 1994 Mercury Cougar Performance Engines?

The prices of Performance Engines for the 1994 Mercury Cougar range from $10.99 up to $1,041.00 for the most premium parts.

What is the average price of a Performance Engine for a 1994 Mercury Cougar?

The average price for Performance Engines for the 1994 Mercury Cougar is $379.71. 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 Cougar model years?

Yes, we carry Performance Engines for 29 model years of Mercury Cougars between 1967 and 1997. The following model years are the most popular for Performance Engine purchases: 1997, 1996, 1995, 1993, 1992, 1991, 1990, 1989, and 1988.

What are the cheapest Performance Engines for my 1994 Mercury Cougar?

The cheapest 1994 Mercury Cougar Performance Engines we carry are:

Does Advance Auto Parts sell Performance Engines for any other 1994 Mercury models?

Yes. We stock Performance Engines for 3 other popular 1994 Mercury models. Some of the most popular are 1994 Grand Marquis Performance Engines, 1994 Villager Performance Engines, 1994 Sable Performance Engines, and 1994 Topaz Performance Engines.

What are the top-rated Performance Engines that fit the 1994 Mercury Cougar?

Based on 47 reviews by customers, our 1994 Mercury Cougar Performance Engines have an average customer rating of 4 stars. These are the highest-rated categories of Performance Engines for the 1994 Mercury Cougar and their top-rated products:

What types of Performance Engines do you sell for my 1994 Mercury Cougar?

As of 11/2/25, these are some of the most in-demand types of Performance Engines for a 1994 Mercury Cougar:

Can I get help with 1994 Mercury Cougar 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 Cougar Performance Engines?

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