1977 Mercury Cougar Performance Headers

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    • Dorman® - Cast Iron Natural Exhaust Manifold
      (0 reviews)
      # mpn2072494763
      Mercury Cougar 5.8L / 6.6L 1977, Cast Iron Exhaust Manifold by Dorman®. Position: Driver Side. Color: Natural. Header Coating: Uncoated. This product is made of high-quality materials to serve you for years to come. Designed using...
      High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $96.95
    • Patriot Exhaust® - Classic Style Lakester Exhaust Headers
      (0 reviews)
      # 448027209
      Mercury Cougar 1977, 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
      $622.40 - $911.78
    • Patriot Exhaust® - Sprint Style Exhaust Header Weld-Up Kit
      (0 reviews)
      # mpn4564005733
      Mercury Cougar 1977, 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
      $149.84
    • Patriot Exhaust® - T-Bucket Style Chrome Roadster Exhaust Headers
      (0 reviews)
      # mpn4564012781
      Mercury Cougar 1977, 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
      $557.99
    • Patriot Exhaust® - Tight Tuck Street Rod Exhaust Headers
      (0 reviews)
      # 448139514
      Mercury Cougar 1977, 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
      $197.12 - $349.76
    • Racing Power Company® - Tight Fit Short Tube Exhaust Headers
      (0 reviews)
      # 1141339853
      Mercury Cougar 5.0L / 5.8L Windsor Engine 1977, Tight Fit Short Tube Exhaust Headers by Racing Power Company®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Header Style: Short Tube. This top-grade product is...
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      +1
      $220.08 - $351.98
    • Schoenfeld Headers® - IMCA Modified Steel Exhaust Headers
      (0 reviews)
      # 197576274
      Mercury Cougar with Ford Small Block Engine 1977, IMCA Modified Steel Exhaust Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This product is...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $257.94 - $315.90
    • Schoenfeld Headers® - Steel Painted Sprint Car Exhaust Headers
      (0 reviews)
      # mpn4564007939
      Mercury Cougar 5.0L with Ford Small Block Engine 1977, Steel Painted Sprint Car Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3.5". Collector Length: 13". Header Coating: Painted....
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $317.68
    • Schoenfeld Headers® - Stock Clip Crossover Headers
      (0 reviews)
      # 87340300
      Mercury Cougar with Ford Small Block Engine 1977, Stock Clip Crossover Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This product is designed...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $302.02 - $324.49
    • Schoenfeld Headers® - Stock Clip Steel Painted Exhaust Headers
      (0 reviews)
      # mpn4564010360
      Mercury Cougar 5.0L with Ford Small Block Engine 1977, Stock Clip Steel Painted Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.75"-1.875". Collector Outlet Diameter: 3.5". Collector Length: 9". Header Coating:...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $320.83
    • Apex Auto® - Exhaust Manifold Gasket Set
      (0 reviews)
      # mpn1143023943
      Mercury Cougar 5.0L / 5.8L Windsor Engine 1977, 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...
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $6.02
    • DNJ Engine Components® - Exhaust Manifold Gasket Set
      (0 reviews)
      # mpn1151262300
      Mercury Cougar 5.0L / 5.8L 1977, 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 finest...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $8.03
    • Fel-Pro® - Exhaust Manifold Gasket Set
      (0 reviews)
      # 231289822
      Mercury Cougar 1977, 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
      $8.48 - $22.76
    • Victor Reinz® - Exhaust Manifold Gasket Set
      (0 reviews)
      # 24173920
      Mercury Cougar 1977, 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
      $9.31 - $24.43
    • Victor Reinz® - Exhaust Seal Ring
      (0 reviews)
      # 24173925
      Mercury Cougar 5.0L / 5.8L 1977, Exhaust Seal Ring 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
      $1.54 - $2.51
    • Big End Performance® - Exhaust Header Copper Gasket
      (0 reviews)
      # 231289813
      Mercury Cougar with Small Block Ford Engine 1977, 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...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $32.92 - $45.55
    • Cometic Gasket® - Exhaust Manifold Gasket
      (0 reviews)
      # 564387234
      Mercury Cougar 1977, 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 needs and...
      Backed by unsurpassed quality and solid workmanshipWill deliver exceptional performance you expect to get
      $22.09 - $36.93
    • Edelbrock® - Exhaust Gasket Set
      (0 reviews)
      # mpn2505991
      Mercury Cougar 5.0L 1977, 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 manufactured from...
      The finest quality at a great priceEdelbrock carry everything needed to complete the job
      $21.29
    • Flowtech® - Real-Seal™ Aluminum Exhaust Header Gaskets
      (0 reviews)
      # mpn630006909
      Mercury Cougar 5.0L / 5.8L 1977, 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 technology. Constructed...
      Multi-Layer “Dead Soft” aluminum conforms to create a leak-proof sealWill not burn or blow out
      $49.33
    • Hooker® - Super Competition™ Exhaust Header Gasket
      (0 reviews)
      # 381707178
      Mercury Cougar 5.0L / 5.8L 1977, 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...
      Precision fit for improved sealingSteel core provides superior adhesion
      $13.79 - $14.96
    • Mr. Gasket® - Exhaust Gasket Set
      (0 reviews)
      # 102218524
      Mercury Cougar 1977, 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 wildHigh-polished stainless steel bolts will outlast chrome and look great
      $18.80 - $39.99
    • Mr. Gasket® - Exhaust Header Gaskets
      (0 reviews)
      # 1022330144
      Mercury Cougar 5.0L 1977, Exhaust Header Gaskets 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...
      Gaskets for every application, from mild to wildDesigned to restore functionality
      $18.08 - $33.21
    • Mr. Gasket® - Ultra-Seal™ Exhaust Gasket Set
      (0 reviews)
      # 231289870
      Mercury Cougar 1977, 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 wildDesigned to restore functionality
      $24.35 - $31.00
    • Percy's High Performance® - Graph-Flex™ Exhaust Header Gaskets
      (0 reviews)
      # 652503894
      Mercury Cougar 1977, Graph-Flex™ Exhaust Header Gaskets by Percy's High Performance®. These durable header flange gaskets are composed of a graphite composition material on a malleable stainless steel core. They’ll seal up tight on...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $22.18 - $24.68
    • Percy's High Performance® - Graph-Flex™ Oval Dual Bolt Header Flange Gaskets
      (0 reviews)
      # mpn4483467848
      Mercury Cougar 5.0L 1977, Graph-Flex™ Oval Dual Bolt Header Flange 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $24.68
    • Percy's High Performance® - HTR Collector Gaskets
      (0 reviews)
      # 652501845
      Mercury Cougar 5.0L 1977, 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
      $17.36 - $19.32
    • Percy's High Performance® - Seal-4-Good™ Exhaust Header Gaskets
      (0 reviews)
      # 378669671
      Mercury Cougar 1977, 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
      $34.22 - $35.27
    • Percy's High Performance® - Seal-4-Good™ Oval Dual Bolt Header Flange Gaskets
      (0 reviews)
      # mpn4483467965
      Mercury Cougar 5.0L 1977, Seal-4-Good™ Oval Dual Bolt Header Flange 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $36.14
    • Percy's High Performance® - XX Carbon™ Exhaust Header Gaskets
      (0 reviews)
      # 652455819
      Mercury Cougar 1977, XX Carbon™ Exhaust Header 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $19.72 - $22.41
    • ProForm® - Header Gasket Set
      (0 reviews)
      # 231112177
      Mercury Cougar 5.0L 1977, Header Gasket Set by ProForm®. If you're looking for a top-quality upgrade which will enhance the performance of your vehicle and won't cost you an arm and a leg, rely on this high-grade product from PROFORM....
      Designed to upgrade your ride's performanceProduced by highly specialized machines to last
      $29.27
    • Racing Power Company® - Exhaust Header Gaskets
      (0 reviews)
      # mpn4498739433
      Mercury Cougar 5.0L / 5.8L Windsor Engine 1977, 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...
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      $33.09
    • Remflex® - Exhaust Header Gaskets
      (0 reviews)
      # 482108972
      Mercury Cougar 1977, Exhaust Header Gaskets by Remflex®. Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications. Whether you have an old pick-up that needs a manifold gasket or a...
      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
      $24.18 - $30.67
    • RHS® - Header Gasket
      (0 reviews)
      # mpn1589347822
      Mercury Cougar 5.0L 1977, Header Gasket by RHS®. RHS offers high quality intake manifold gaskets that are constructed from a silicone-reinforced material for superb sealing characteristics. They are designed for reliable, leak-free...
      High quality at an affordable priceExpertly made from premium materials
      $44.23
    • SCE Gaskets® - Embossed Copper Exhaust Header Gaskets
      (0 reviews)
      # 581701039
      Mercury Cougar 5.0L 1977, Embossed Copper Exhaust Header Gaskets by SCE Gaskets®. Material: Embossed Copper. SCE Gaskets invented embossed copper exhaust gaskets and they are the most effective way to insure leak-free, re-usable...
      Design for high performance street and mild competition applicationsMade from road-tough materials to survive the test of time
      $40.30 - $43.97
    • Schoenfeld Headers® - Round Port Exhaust Header Gasket
      (0 reviews)
      # mpn359115915
      Mercury Cougar 5.0L with Ford Small Block Engine 1977, Round Port Exhaust Header Gasket by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This product is...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $14.19
    • Dorman® - Metal Exhaust Manifold Hardware Kit
      (0 reviews)
      # 276283937
      Mercury Cougar 5.8L / 6.6L 1977, Metal Exhaust Manifold Hardware Kit by Dorman®. Material: Metal. Dorman manifold bolt and spring kits are just what you need to secure the front flange. Dorman offers products like fasteners and...
      Direct replacement for a proper fitBuilt to Last
      $6.76 - $9.23
    • Percy's High Performance® - Vibe-Lock Header Bolt Kit
      (0 reviews)
      # 652285786
      Mercury Cougar 5.0L 1977, 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
      $85.03 - $99.20
    • Stage 8® - Header Locking Bolt Kit
      (0 reviews)
      # 1582540709
      Mercury Cougar 6.6L 1977, 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...
      Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system
      $62.31 - $69.06
    • Racing Power Company® - Long Tube Exhaust Header Set
      (0 reviews)
      # 898324087
      Mercury Cougar 5.0L / 5.8L Windsor Engine 1977, Long Tube Exhaust Header Set by Racing Power Company®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Style: Long Tube. This top-grade product is expertly made in...
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      +1
      $300.10 - $544.18
    • Kooks® - Exhaust Flanges
      (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
    • Dorman® - Brass Exhaust Manifold Hardware Kit
      (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
      $3.68
    • ATP® - Cast Iron Natural Exhaust Manifold
      (0 reviews)
      # 231289811
      Mercury Cougar 1977, Cast Iron Exhaust Manifold by ATP®. Position: Driver Side. Color: Natural. Header Coating: Uncoated. ATP Graywerks Exhaust Manifolds are a high quality OE replacement alternative. Each manifold is developed off of...
      Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage
      $97.18
    • CFR Performance® - Polished Long Tube Exhaust Headers
      (0 reviews)
      # mpn4530158022
      Mercury Cougar 5.0L 1977, Long Tube Exhaust Headers by CFR Performance®. Color: Silver. Header Style: Long Tube. These headers are specifically designed. They are a medium length header. Contains both headers, bolt on reducers, exhaust...
      Expertly Crafted from the highest grade materialsBuilt to provide the ultimate in reliability and strength
      $274.43
    • JBA® - Exhaust Header Gaskets
      (0 reviews)
      # mpn4498826285
      Mercury Cougar 5.0L 1977, Exhaust Header Gaskets by JBA®. JBA is proud to offer accessories to aid in the fitment of your JBA exhaust product. This product is made of high-quality materials to serve you for years to come. Designed using...
      JBA's premium header flange gaskets are made extra thick from a specially made formulated gasket materialTheir gaskets are rated up to 1100 F
      $30.13
    • Patriot Exhaust® - Exhaust Header Gaskets
      (0 reviews)
      # 447923476
      Mercury Cougar 1977, Exhaust Header Gaskets 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
      $13.72 - $15.15
    • AP Exhaust® - Manifold Stud
      (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 - $0.79


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