1990 Mercury Cougar Performance Engines
Keep Your 1990 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 1990 Mercury Cougar looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Coolant Thermostats, Performance Engine Rocker Arms, and Performance Engine Valve Spring Retainer. 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.
Competitive Prices and Extensive Inventory
The average price for a 1990 Mercury Cougar Performance Engine at Advance Auto Parts is around $183.74, with a range that starts at $13.99 and goes up to $407.99. With 6 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like High Performance Thermostat, ENGINE ROCKER ARM, and CONVERTER AOD HP start at just $32.49 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 Distributors and Performance Oil Filters. At Advance Auto Parts, we’re here to help you keep your 1990 Mercury Cougar in peak condition, inside and out.
Find Your Specific 1990 Mercury Cougar Performance Engines
Looking for the perfect Performance Engine for your 1990 Mercury Cougar? 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 Cougar. Whether you’re driving a 1990 model or another popular model year like
1988,
1989,
1991,
1992,
1993,
1994,
1995,
1996, and
1997, 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 1990 Mercury Cougar Performance Engines
Edelbrock – Sure Seat Valve Springs for Chrysler 383-400-413-440 V8 1969-79 (Part No.5792)
from
$149.99
Product Features:
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- Non-Rotator Type
- 1.550 in. Outer Diameter
- .190 Wire Size
- Single Coil Spring Type
- Set of 16
Competition Cams – ROCKER ARMS, DIE CAST ALUM SMALL BLOCK FORD 1.6 1 ST (Part No.17043-16)
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:
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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.
Mr. Gasket – High Performance Thermostat (Part No.4365)
from
$32.49
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.
Product Features:
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Product Features:
- Opens At 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
Edelbrock – Performer Series Retainer (Qty 16) (Part No.9733)
from
$141.99
Product Features:
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- Use W/ Valve Springs Part #5722, 5796
- Set of 16
- 1.50 in. Outside Diameter
- Steel Material
- Black Oxide Finish
Edelbrock – Performer Series Retainer (Qty 16) (Part No.9724)
from
$106.99
Product Features:
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- 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
B & M – Torque Converter, Tork Master 2400 (Part No.50441)
from
$529.99
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:
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Product Features:
- New Precision Pump Drive Tube
- Pressure Tested
- Fully Balanced
- Needle Thrust Bearing
- New Thrust Washer
B & M – Holeshot 2400 (Part No.40412)
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:
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Product Features:
- Furnace Brazed Impeller
- Steel Alloy Pump Drive Tube
- Heavy Duty Needle Bearing
- Between Stator and Turbine
- Furnace Brazed Turbine
B & M – Torque Converter, Holeshot 2400 (Part No.40422)
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:
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Product Features:
- Furnace Brazed Impeller
- Steel Alloy Pump Drive Tube
- Heavy Duty Needle Bearing
- Between Stator and Turbine
- Furnace Brazed Turbine
B & M – CONVERTER AOD HP (Part No.40437)
from
$366.99
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.
Product Features:
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Product Features:
- New Precision Pump Drive Tube
- Pressure Tested
- Fully Balanced
- Needle Thrust Bearing
- New Thrust Washer
- Washer Between Turbine and Cover
Popular 1990 Mercury Cougar Performance Engines Categories
Most Popular Performance Engine Coolant Thermostat for 1990 Mercury Cougars
Enhance your 1990 Mercury Cougar with this popular Performance Engine Coolant Thermostat we have in stock, for $32.49.
Mr. Gasket – High Performance Thermostat (Part No.4365)
from
$32.49
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:
See More
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
Best-Selling 1990 Mercury Cougar Performance Engine Rocker Arm
Upgrade your Cougar with our best-selling Performance Engine Rocker Arm.
Competition Cams – ENGINE ROCKER ARM (Part No.1619-12)
from
$407.99
ENGINE ROCKER ARM
Top-Quality Performance Engine Valve Spring Retainer for 1990 Mercury Cougars
Choose a high-quality OEM or aftermarket Performance Engine Valve Spring Retainer for Mercury Cougars and enjoy top-notch performance from $80.99.
Competition Cams – Steel Retainer for Set of 16 (Part No.786-16)
from
$80.99
Steel Retainer for Set of 16
Top Picks for 1990 Mercury Cougar Performance Engine Valve Springs
Invest in one of our 2 durable Performance Engine Valve Springs for your 1990 Mercury, knowing you’re getting trusted brands and expert craftsmanship.
Competition Cams – 12 Springs (Part No.26918-12)
from
$199.99
12 Springs
Competition Cams – Engine Valve Spring (Part No.942-1)
from
$13.99
Engine Valve Spring
Our Performance Torque Converters for 1990 Mercury Cougars
Make a smart move for your 1990 Mercury Cougar with our Performance Torque Converter for $366.99.
B & M – CONVERTER AOD HP (Part No.40437)
from
$366.99
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.
Product Features:
See More
Product Features:
- New Precision Pump Drive Tube
- Pressure Tested
- Fully Balanced
- Needle Thrust Bearing
- New Thrust Washer
- Washer Between Turbine and Cover
FAQs for 1990 Mercury Cougar Performance Engines
What are the best-selling Performance Engines for 1990 Mercury Cougars?
Out of 6 Performance Engines that fit 1990 Mercury Cougars, the following parts are the top sellers:
- High Performance Thermostat (22903641) – $32.49
- ENGINE ROCKER ARM (50272527) – $407.99
- CONVERTER AOD HP (6120288) – $366.99
What’s the price range for 1990 Mercury Cougar Performance Engines?
The prices of Performance Engines for the 1990 Mercury Cougar range from $13.99 up to $407.99 for the most premium parts.
What is the average price of a Performance Engine for a 1990 Mercury Cougar?
The average price for Performance Engines for the 1990 Mercury Cougar is $183.74. 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?
What are the cheapest Performance Engines for my 1990 Mercury Cougar?
The cheapest 1990 Mercury Cougar Performance Engines we carry are:
- Engine Valve Spring (50286901) – $13.99
- High Performance Thermostat (22903641) – $32.49
- Steel Retainer for Set of 16 (50289538) – $80.99
- 12 Springs (50288631) – $199.99
- CONVERTER AOD HP (6120288) – $366.99
Does Advance Auto Parts sell Performance Engines for any other 1990 Mercury models?
Yes. We stock Performance Engines for 3 other popular 1990 Mercury models. Some of the most popular are 1990 Grand Marquis Performance Engines, 1990 Colony Park Performance Engines, 1990 Sable Performance Engines, and 1990 Topaz Performance Engines.
What types of Performance Engines do you sell for my 1990 Mercury Cougar?
As of 3/1/26, these are some of the most in-demand types of Performance Engines for a 1990 Mercury Cougar:
Can I get help with 1990 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.