1974 Mercury Cougar Performance Headers

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    • (0 reviews)
      # 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". Header Material: Mild Steel. Header Style: Long Tube. Include all mounting hardware....
      Mandrel-formed Power Plenum collectors for low backpressureLong transition collectors with merge spears for maximum flow and increased exhaust velocity
      $179.95 - $344.95
    • (0 reviews)
      # 466346397
      Mercury Cougar 1974, Classic Style Lakester Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Header Coating: Ceramic Coating. Classic design allows for hookup to an under chassis...
      Expertly crafted from premium materialsQuality design and workmanship
      $613.46 - $871.47
    • (0 reviews)
      # mpn4564005733
      Mercury Cougar 1974, Sprint Style Exhaust Header Weld-Up Kit by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". This superior Patriot EXhaust product is just for you. Carefully designed for maximum...
      Expertly crafted from premium materialsQuality design and workmanship
      $178.83
    • (0 reviews)
      # mpn4564012781
      Mercury Cougar 1974, T-Bucket Style Roadster Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Color: Chrome. Header Coating: Chrome. This superior Patriot EXhaust product is just for...
      Expertly crafted from premium materialsQuality design and workmanship
      $560.19
    • (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". This superior Patriot Exhaust product is just for you. Carefully designed for maximum...
      Expertly crafted from premium materialsQuality design and workmanship
      $218.59 - $369.32
    • (0 reviews)
      # mpn4564004872
      Mercury Cougar 5.8L Windsor Engine with Ford Small Block Engine 1974, IMCA Modified Steel Long Tube Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.75". Collector Length: 8". Header Coating: Painted. Header Style:...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $268.95
    • (0 reviews)
      # mpn4564004207
      Mercury Cougar 5.8L Windsor Engine with Ford Small Block Engine 1974, Stock Clip Crossover Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.625". This top-notch product by Schoenfeld Headers is made to give that extra...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $292.18
    • (0 reviews)
      # mpn1143023943
      Mercury Cougar 5.8L Windsor Engine 1974, Exhaust Manifold Gasket Set by Apex Auto®. Designed utilizing the latest technology, this product by Apex Auto features premium quality and will perform better than advertised. Perfect for your...
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $5.84
    • (0 reviews)
      # mpn1151262300
      Mercury Cougar 5.8L Windsor Engine 1974, Exhaust Manifold Gasket Set by DNJ Engine Components®. Get this top-grade quality replacement for your worn out part from DNJ. Expertly crafted from premium materials, this product is of the...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $7.80
    • (0 reviews)
      # 231289526
      Mercury Cougar 1974, Exhaust Manifold Gasket Set by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $7.59 - $21.90
    • (0 reviews)
      # 24173553
      Mercury Cougar 1974, Exhaust Manifold Gasket Set by Victor Reinz®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
      High quality at an affordable priceExpertly made from premium materials
      $7.88 - $22.55
    • (0 reviews)
      # 24173570
      Mercury Cougar 1974, Sintered Metal Exhaust Seal Ring by Victor Reinz®. Material: Sintered Metal. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      High quality at an affordable priceExpertly made from premium materials
      $5.51 - $5.55
    • (0 reviews)
      # 231289537
      Mercury Cougar 1974, Exhaust Header Copper Gasket by Big End Performance®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $31.98 - $44.25
    • (0 reviews)
      # 564388249
      Mercury Cougar XR-7 5.8L 1974, Exhaust Manifold Gasket by Cometic Gasket®. This state-of-the-art exhaust product combines advanced materials with the most current manufacturing processes to provide custom-tailored solutions for your...
      Backed by unsurpassed quality and solid workmanshipWill deliver exceptional performance you expect to get
      $21.45 - $35.86
    • (0 reviews)
      # mpn358507493
      Mercury Cougar 7.5L 1974, Multi-Layer Steel Exhaust Header Gasket by Cometic Gasket®. Material: Multi-Layer Steel. Exhaust Gaskets are designed for extreme cylinder pressures. MLS Exhaust Manifold Gaskets maintain a torque set and...
      Made of High Quality MaterialsBuilt to Last
      $39.64
    • (0 reviews)
      # 1200200657
      Mercury Cougar A Engine VIN Character 1974, Exhaust Gasket Set by Edelbrock®. Any gasket can create a seal, but a good gasket can do it with less clamping force, and for a longer period of time. Edelbrock's gaskets are not only...
      The finest quality at a great priceEdelbrock carry everything needed to complete the job
      $21.29 - $21.35
    • (0 reviews)
      # 266708295
      Mercury Cougar XR-7 1974, Aluminum Header Gasket Set by Flowtech®. Material: Aluminum. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind,...
      Engineered for a precise, easy fitManufactured of P73 Ferroglass non-asbestos facing material for long life
      $10.60 - $14.14
    • (0 reviews)
      # mpn630006909
      Mercury Cougar XR-7 H Engine VIN Character 1974, Real-Seal™ Aluminum Exhaust Header Gaskets by Flowtech®. Material: Aluminum. Flowtech REAL-SEAL header and collector gaskets are a revolutionary break-through in exhaust sealing...
      Multi-Layer “Dead Soft” aluminum conforms to create a leak-proof sealWill not burn or blow out
      $48.17
    • (0 reviews)
      # 231289566
      Mercury Cougar XR-7 1974, Super Competition™ Exhaust Header Gasket by Hooker®. Hooker's precision-matched Super Competition header gaskets provide a sure fit and unmatched exhaust sealing. This OEM quality gasket is constructed of a...
      Precision fit for improved sealingSteel core provides superior adhesion
      $13.47 - $14.61
    • (0 reviews)
      # 102218435
      Mercury Cougar 1974, Exhaust Gasket Set by Mr. Gasket®. Whatever exhaust system you install on your engine, whether it's a set of chromed headers or simply a set of cleaned up flat black rams horn manifolds, you'll need gaskets and...
      Gaskets for every application, from mild to wildAluminum, copper or steel gaskets
      $18.36 - $39.05
    • (0 reviews)
      # 231289682
      Mercury Cougar 1974, Ultra-Seal™ Exhaust Gasket Set by Mr. Gasket®. Whatever exhaust system you install on your engine, whether it’s a set of chromed headers or simply a set of cleaned up flat black rams horn manifolds, you’ll...
      Gaskets for every application, from mild to wildAluminum, copper or steel gaskets
      $23.77 - $33.52
    • (0 reviews)
      # 564518731
      Mercury Cougar 1974, Exhaust Header Gasket by Patriot Exhaust®. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and expectations. This product is...
      Expertly crafted from premium materialsQuality design and workmanship
      $26.24 - $27.83
    • (0 reviews)
      # mpn358950084
      Mercury Cougar 7.5L with Big Block Ford Engine 1974, Oval Port Header Flange Kit by Patriot Exhaust®. Header Flange made from Steel. Patriot Exhaust's machined header flange kits are available for many popular engine families. 1 Pair....
      Precision machined flangeBuilt of High quality materials
      $46.61
    • (0 reviews)
      # 652475805
      Mercury Cougar 1974, Graph-Flex™ Exhaust Header Gaskets by Percy's High Performance®. These extreme high-temperature gaskets are well-suited for highly-modified engines: turbocharged, supercharged, nitrous or fuel. This is a premium,...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $23.97
    • (0 reviews)
      # 652565825
      Mercury Cougar 7.5L 1974, HTR Collector Gaskets by Percy's High Performance®. This products is an OEM and Performance company that was built on its founding heritage supported by a tradition of Legendary Quality.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $18.77
    • (0 reviews)
      # 652536824
      Mercury Cougar 1974, Seal-4-Good™ Exhaust Header Gaskets by Percy's High Performance®. The Percy's Seal-4-Good Reusable Flange Gaskets are multi-layered and made from a special "Dead Soft" Aluminum, which conforms to header flanges...
      Multi-layered for excellent conformability and sealSeals even imperfect flanges
      $33.24 - $34.26
    • (0 reviews)
      # 652182869
      Mercury Cougar 1974, XX Carbon™ Exhaust Header Gaskets by Percy's High Performance®. These extreme high-temperature gaskets are well-suited for highly-modified engines: turbocharged, supercharged, nitrous or fuel. This is a premium,...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $21.77
    • (0 reviews)
      # mpn4498739779
      Mercury Cougar 7.5L 1974, Exhaust Header Gaskets by Racing Power Company®. Made of solid, thick copper. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design...
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      $37.66
    • (0 reviews)
      # 262495823
      Mercury Cougar 1974, Exhaust Header Gaskets by Remflex®. Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications, where temperatures routinely exceed 2,000 degrees - day after day,...
      Designed to crush 50%.This allows them to fill gaps in the flange surface up to 1/16"3,000 degrees F - far exceeding that of any vehicle's exhaust system temperature
      $23.49 - $28.19
    • (0 reviews)
      # 652336816
      Mercury Cougar 7.5L 1974, Vibe-Lock Header Bolt Kit by Percy's High Performance®. This product is made from high-grade materials to meet the strictest standards of high quality. Designed with the utmost care and attention to detail,...
      Built to match your exact requirementsHigh quality you can rely on
      $74.26 - $96.37
    • (0 reviews)
      # 314941336
      Mercury Cougar 1974, Header Locking Bolt Kit by Stage 8®. Stage 8 locking fastener solutions are fail-safe when used and installed as directed. They are removable and reusable and can be visually inspected; if the locking retainer and...
      Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system
      $20.00 - $69.06
    • (0 reviews)
      # mpn358727069
      Mercury Cougar A Engine VIN Character with Big Block Ford Engine 1974, Standard Head Exhaust Header Bolts by Trans-Dapt®. This Trans-Dapt product is just the option for you in case you want to get the most out of your auto. It is made...
      $6.77
    • (0 reviews)
      # 781513773
      Exhaust Flanges by Kooks®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Kooks will last a lifetime. It will meet...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $13.17 - $85.49
    • (0 reviews)
      # mpn1622044890
      Universal Brass Exhaust Manifold Hardware Kit by Dorman®. Material: Brass. Dorman's Exhaust Nuts are now available separately for exhaust manifold repairs. These direct replacement nuts are ideal for securing exhaust components and used...
      Direct replacement for a proper fit every timeHigh-quality steel and rubber materials provides years of trouble-free service
      $3.55
    • (0 reviews)
      # 1370621596
      Universal Manifold Stud by AP Exhaust®. This superior product was carefully designed with key attention to detail and manufactured from high-grade materials to the strict standards of the highest quality. This AP Exhaust Technologies...
      Made from first-rate materialsEnsures outstanding durability
      $0.29 - $0.77


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