1974 Mercury Cougar Performance Parts

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    • (1 review)
      # 142869404
      Mercury Cougar XR-7 Q Engine VIN Character 1974, Long Tube Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Emissions: Racing Only. Header Material: Mild Steel. Header Style: Long Tube....
      $179.95 - $344.95
    • (0 reviews)
      # 10744129
      Mercury Cougar 1974, Drilled and Slotted Vented 1-Piece Front Front Brake Rotors and Hub Assembly by Chrome Brakes®. This is a set of OEM-sized replacement rotors with slots and drilled holes that provide the superior level of cooling...
      +2
      $263.70
    • (0 reviews)
      # 17170229
      Mercury Cougar XR-7 1974, B6 Series Driver or Passenger Side Monotube Shock Absorber for Stock Height Vehicles by Bilstein®. Quantity: 1 per Pack. If you expect more damping power from your shock absorber – even under loads – but...
      $100.40 - $102.10
    • (0 reviews)
      # 377250744
      Mercury Cougar 1974, E Series Round Red Air Filter by K&N®. K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. K&N makes over 1,200 different replacement air filters...
      Designed to boost horsepower and rate of accelerationCan be cleaned and used again
      $64.99 - $74.99
    • (0 reviews)
      # mpn4478773922
      Universal User Configurable LCD Dash Display by Auto Meter®. Designed specifically for the harshest of environments, the carbon composite housing is IP65 sealed against water and dust intrusion and will easily withstand 20g of...
      7.0” TFT LCD panel, 1000 nit brightness for unmatched daytime and nighttime visibility with 800x480 resolution. Onboard photo sensor for automatic brightness controlDimensions - 8.3" Wide x 5.2" High x 1.4" Deep
      $2,832.00
    • (0 reviews)
      # 1093414785
      Mercury Cougar 7.5L 1974, Iron Eagle Sportsman Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....
      Siamesed cylinders: Standard 4.000" or 4.125" cylinders can be safely bored to 4.185" diameterMultiple deck heights allow for increased displacements of up to 468 cubic inches
      $2,606.20
    • (0 reviews)
      # 515790999
      Mercury Cougar 1974, Thermocap™ Radiator Cap by Mr. Gasket®. Pressure: 13 lbs. Material: Aluminum. Keeping your engine cool is pretty important, so Mr. Gasket has a full line of cooling system accessories. Whether it’s a simple,...
      Brilliant triple-chrome platingPrevent boilovers
      $32.43 - $35.68
    • (1 review)
      # 568024804
      Mercury Cougar C4 Transmission / C6 Transmission 1974, MegaShifter™ Automatic Shifter by B&M®. You can have B&M shifter performance with the Console MegaShifter. This shifter features full ratchet action performance, a lighted gear...
      Cable operated for quick installation and accurate shiftingReverse lockout feature meets NHRA and IHRA requirements
      $338.18 - $340.06
    • (0 reviews)
      # 1143915258
      Mercury Cougar 1974, Performer Series Carburetor by Edelbrock®. Designed and calibrated for optimum street performance in small-block and some big-block engines. Match with a variety of manifolds that include Edelbrock Performer,...
      Designed and calibrated for optimum street performanceMatch with a variety of manifolds
      $312.25 - $525.65
    • (0 reviews)
      # 826581997
      Mercury Cougar USA Manufactured 1974, Pro-Billet™ Ready To Run Distributor by MSD®. Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than advertised. Perfect for your...
      Simple and clean installation with only three wires to connectPowerful built-in module produces a 7.5 amp single spark through high rpm
      $509.95 - $515.95
    • (0 reviews)
      # 832908160
      Mercury Cougar XR-7 1974, Tie Rod Dust Boots by Prothane®. Quantity: 2 per Pack. If you are looking to upgrade the steering system of your vehicle to make the most out of your vehicle’s performance, go with this high-grade steering...
      High quality at an affordable priceExpertly made from premium materials
      $5.82 - $5.91
    • (0 reviews)
      # 1063264986
      Mercury Cougar 5.8L 1974, Odyssey 925 Battery by Rennline®. The choice in batteries is an important decision, and should depend on several things. The first thing to be concidered is the use of the car. If you are using the car on the...
      28 Amp hoursShort circuit current over 2400A
      $259.12
    • (0 reviews)
      # 68627246
      Mercury Cougar with Ford 9" Series Axle 1974, Rear Zip Locker by Yukon Gear & Axle®. Location: Rear. The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to...
      Air operated locker provides on-demand tractionForged case & 8620 internals for added strength
      $899.22 - $959.40
    • (0 reviews)
      # 48222560
      Club X-1 Full Face ATM (Advance Thermo Material) Racing Helmet by Sparco®. Certification: ECE 05; Material: ATM (Advance Thermo Material) Designed for indoor kart racing where a fire proof helmet isn't required, this product is...
      Designed for indoor kart racingProvides ultimate protection
      $140.00
    • (0 reviews)
      # 450479564
      Universal PowerPack™ Turbocharger System by Banks®. The Banks Power Dual Exhaust PowerPack System is the complete towing package your pickup truck, with extended cab short bed configuration, deserves.
      Stunning Top GainsImproved Mileage
      $2,198.00 - $2,798.00
    • (0 reviews)
      # 466346397
      Mercury Cougar 1974, Classic Style Lakester Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Emissions: EPA compliant. Header Coating: Ceramic Coating. Classic design allows for...
      $613.46 - $871.47
    • (0 reviews)
      # 44556413
      Mercury Cougar XR-7 1974, Sport Decela Drilled and Slotted Vented 1-Piece Front Front Brake Rotors and Hub Assembly by Baer®. These are 1-piece bolt-on brake rotors sized to OEM diameter and width specifications to give owners of modern...
      $211.90 - $232.90
    • (0 reviews)
      # 17924772
      Mercury Cougar Hardtop 1974, Monro-Matic Plus™ Driver or Passenger Side Shock Absorber by Monroe®. Quantity: 1 per Pack. Nitrogen gas charged Monro-Matic Plus shocks and struts feature VPV (velocity proportional valving) and...
      $10.90 - $16.10
    • (0 reviews)
      # 377250702
      Mercury Cougar H Engine VIN Character 1974, HPR™ Round Red Air Filter by Spectre Performance®. Spectre’s High Performance Replacement Air Filters are engineered to outperform ordinary paper filters by providing increased air flow...
      High performance and high air flow filterFilter media is non-woven synthetic and pre-dyed
      $20.78
    • (0 reviews)
      # 379675232
      Universal 4-Bank Chip Burner by SCT Performance®. SCT's single program and 5 program, four bank custom chips are specifically tuned for your car or truck by one of SCT's Custom Tuning dealers world wide.
      Easily switch between custom tunes using the optional Dial SelectorCan be custom tuned by one of SCT's Custom Tuning dealers world wide
      $349.00
    • (0 reviews)
      # 1093463668
      Mercury Cougar 1974, Special High Performance Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....
      350 or 400 main journals accept commonly available crankshaftsSplayed outer bolts on middle main bearing caps prevent cracks
      $2,099.54
    • (0 reviews)
      # 262156745
      Mercury Cougar 1974, 300 Series High Flow Electric Water Pump by Meziere Enterprises®. Flow Rate: 55 GPM. Performance, sophistication and durability are by no means all the benefits you'll get if you purchase this product by Meziere...
      Suitable for street or drag strip use – 3000+ hour life expectancyHigh flow design provides 55 gallons per minute free flow rating
      +2
      $451.00 - $701.56
    • (0 reviews)
      # 1228077146
      Mercury Cougar XR-7 1974, Flexplate by Hays®. Diameter: 14.23". Teeth Quantity: 164. Material: Billet Steel. Hays heavy-duty Flexplates for high performance and competition engines are constructed of a thicker than stock steel plate,...
      Designed to withstand up to 1,500 lbs. ft of torqueOne-piece billet steel design with specialized ring gear heat treatment and thicker than stock centerplate
      $106.95 - $109.95
    • (1 review)
      # 470646407
      Mercury Cougar A Engine VIN Character 1974, Street Avenger 4BBL Carburetor by Holley®. Street Avenger carburetors are known to bolt on right out of the box and have great features such as a quick change vacuum secondary for easy fine...
      Vibratory polished for good looksOptimized street calibration that works-out-of-the-box
      $443.95 - $469.95
    • (1 review)
      # 803930805
      Mercury Cougar A / H / Q / S Engine VIN Character 1974, PlasmaCore™ Inconel Electrode Pulse Nickel Spark Plugs by Pulstar®. With Resistor. Inconel-electrode Pulse Plugs. Designed specifically for most popular vehicles, PlasmaCore™...
      Increased horsepowerBetter torque
      $14.95 - $119.60
    • (0 reviews)
      # 40018183
      Mercury Cougar XR-7 1974, Tie Rod Dust Boots by Energy Suspension®. Quantity: 2 per Pack. Largest Diameter Taper: 0.59". Socket Top Diameter: 1.375". Upgrade the protection for your steering system tie rods with replacement boots made...
      Made of Hyper-Flex™ performance polyurethaneResistant to under vehicle fluids such as: oils, coolants, road contaminants, etc.
      $3.82
    • (0 reviews)
      # 121345058
      Mercury Cougar 1974, Alternator by Tuff Stuff Performance®. Case: Small Case.
      Heavy Duty Copper Wound CoilsSpike Resistant Diodes
      +3
      $140.07 - $155.91
    • (0 reviews)
      # 126499698
      Mercury Cougar XR-7 Canada / United States with Ford 9" Series Axle 1974, Pinion Yoke by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $117.91 - $251.05
    • (0 reviews)
      # 69025922
      110 Series Single Layer Racing Suit by RaceQuip®. Avaliable in Colors: Black, Blue, Red. Get superior durability and comfort combined with overall flame and heat protection. Strong construction and advanced sewing techniques make this...
      Ensures heat and fire protectionGentle fabric provides superior comfort
      $99.95 - $139.95
    • (0 reviews)
      # 466365381
      Mercury Cougar 1974, Tight Tuck Street Rod Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Emissions: Racing Only. This superior Patriot Exhaust product is just for you. Carefully...
      $218.59 - $369.32




    CARiD is the ultimate source for premium-quality performance parts. With our extensive collection of performance upgrades, adding onto your vehicle's performance or improving its look is safe and easy. Boost the interior of your 1974 Mercury Cougar with a set of racing seats, raise or lower your vehicle for an aggressive look, or add a set of high-performance brake rotors for superior braking. Unlock the hidden potential of your 1974 Mercury Cougar that has been waiting to be released!

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    Guides & Articles

    Useful articles fast to read and guides easy to understand written by mechanics and car enthusiasts to turn your shopping experience with CARiD into a pleasure

    • Performance Brakes, Pads & Rotors
      August 10, 2018
      When Is It Time To Replace My Brake Lines?
      Hydraulic brake lines and hoses aren’t something most people think about when it comes to vehicle maintenance. That’s understandable, considering automakers...
      by Michael Grayen
    • Performance Brakes, Pads & Rotors
      August 09, 2018
      When Is It Time To Replace My Brake Calipers?
      Brake calipers, found only on disc brake systems, house pistons which use the force of hydraulic brake fluid to stop the vehicle. More specifically, those pistons...
      by Timothy Zahl
    • Suspension
      August 08, 2018
      When Is It Time To Replace My Vehicle's Springs?
      The springs on your vehicle are an integral part of its suspension system. Not only do springs keep all four corners suspended at a pre-determined, level ride height,...
      by Richard Reina
    • Suspension
      July 11, 2018
      When Is It Time To Replace My Suspension Bushings?
      Maybe you remember being pushed along in a wheelbarrow during childhood. The ride was bone-jarring - even with an air-filled rubber tire cushioning against the rough...
      by Timothy Zahl
    • Engines
      May 21, 2018
      How To Remove An Engine
      If you've grown tired of your engine's declining performance, inconsistent power, rough idle, exhaust smoke, knocking noises, rattles, and other maladies that plague...
      by Richard Reina
    • Engines
      May 09, 2018
      How Does An Internal Combustion Engine Work?
      An engine that uses liquid fuel to create energy, such as an internal combustion engine, is basically a large air pump. Cool air is drawn in, mixed with the fuel of...
      by Timothy Zahl
    • Engines
      May 02, 2018
      Glossary Of Engine External Parts
      Internal combustion engines are extremely complex and feature a wide array of components that rotate, pump, pressurize, or seal. Many of these components, while...
      by Timothy Zahl
    • Performance Engine Parts
      April 20, 2018
      What You Need When Rebuilding Or Replacing An...
      So you’ve decided to take on the project of rebuilding or replacing your vehicle’s engine. Modern internal combustion engines are quite complex – with a wide...
      by Richard Reina
    • Shift Knobs
      January 19, 2018
      Shopping Guide – Shift Knobs
      The knob at the end of your gearshift lever probably isn't something that most people notice when getting into your car or truck. But for a minimal cost, it can be. We...
      by Timothy Zahl
    • Running Boards
      November 29, 2017
      Shopping Guide - Running Boards
      Running boards date as far back as the automobile itself, being integrated into car and truck designs until falling out of favor after World War II. With the boom in...
      by Timothy Zahl
    • Off-Road Bumpers
      November 28, 2017
      Shopping Guide – Off Road Bumpers | Custom...
      There's a saying that advises out of all the paths you take in life, it's important to make sure a few of them are dirt. But while dirt can be found most anywhere you...
      by Timothy Zahl
    • Automotive Tools
      August 30, 2017
      What Special Tools Are Available For Exhaust...
      Exhaust work can be challenging. Old parts are usually corroded and difficult to separate, and new ones sometimes need minor fitment adjustments during installation....
      by Timothy Zahl

    Popular Products



    1974 Mercury Cougar Performance Parts Reviews

    Average rating:  3.5  3.5 - 3 reviews
    2.8 of 5
    If You Have to
    My '92 SC400 was leaking cooling fan oil. It never completely shit out, but I thought, "Why not?" So I paid like $500 for this electric fan that while is lighter, does not keep the motor any cooler. I haven't noticed any kind of gas mileage increase (still at 23 on the highway and like 17 in town) or any kind of power increase (although it must be said I didn't expect much, but the forums gave me a bit of hope). I suppose this conversion is fine, but if my OE fan wasn't dying, I wouldn't have bothered. $500 is $500, man.
    Posted by Tom Fletcher (Stillwater, OK) / July 10, 20181992 Lexus SC
    Was this review helpful for you? Yes
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