1966 Mercury Comet Performance Headers

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    • (0 reviews)
      # 466758653
      Mercury Comet Base A Engine VIN Character With Air Conditioning W/O Smog Injection or Injection Heads With C4 Automatic Transmission With Floor Shifter 1966, Standard Duty Long Tube Exhaust Headers by Hedman Hedders®. Primary Tubing...
      Made of High Quality MaterialsBuilt to Last
      $214.74 - $1,026.89
    • (0 reviews)
      # 97234609
      Mercury Comet Base 4.7L / 6.4L / 7.0L With Air Conditioning W/O Smog Injection or Injection Heads With Power Steering With Automatic Transmission Floor Shifter 1966, Standard Duty Shorty Exhaust Headers by Hedman Hedders®. Primary...
      Made of High Quality 304 SSBuilt to Last
      $206.35 - $958.59
    • (0 reviews)
      # 203908418
      Mercury Comet Base With Air Conditioning W/O Smog Injection or Injection Heads 1966, Elite Ultra-Duty Mild Steel Exhaust Headers by Hedman Hedders®. Hedman's ELITE Hedders are the best you can buy. They have thicker flanges. stronger...
      Made of High Quality MaterialsIdeal for Heavy Duty Applications
      $441.16 - $506.39
    • (0 reviews)
      # 64827498
      Mercury Comet Base 4.7L 1966, Long Tube Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 3". Emissions: EPA compliant. Header Material: Mild Steel. Header Style: Long Tube. Include all mounting...
      $162.95 - $324.95
    • (0 reviews)
      # 652516818
      Mercury Comet 4.7L 1966, Mild Steel Tri-Y Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". Emissions: EPA compliant. Flowtech Headers are the perfect combination of quality and value....
      $159.95 - $209.95
    • (0 reviews)
      # 652211814
      Mercury Comet 4.7L 1966, Steel Shorty Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Emissions: EPA compliant. Header Style: Short Tube. Include all mounting hardware. Flowtech’s...
      $312.95 - $416.95
    • (0 reviews)
      # 231299476
      Mercury Comet Base 4.7L C4 Transmission With Air Conditioning W/O Windsor Head 1966, Competition™ Performance Headers by Hooker®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Collector Length: 8". Emissions: EPA...
      $193.95 - $520.95
    • (0 reviews)
      # 466894665
      Mercury Comet Base 1966, Super Competition™ Steel Black Painted Full Length Exhaust Headers by Hooker®. Collector Outlet Diameter: 3". Collector Length: 10". Emissions: EPA compliant. Finish: Black Painted. Color: Black. Header...
      $509.95
    • (0 reviews)
      # mpn4234441228
      Mercury Comet 6.4L / 7.0L 1966, 4-Tube Steel Hi-Temp Black Coating 4 Tube Long Tube Exhaust Headers by Doug's Headers®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Finish: Hi-Temp Black Coating. Color: Black. Header...
      High quality at an affordable priceExpertly made from premium materials
      $501.29
    • (0 reviews)
      # mpn358955113
      Mercury Comet A Engine VIN Character Automatic Transmission With A/C 1966, Tri-Y Metallic Ceramic Coated Long Tube Exhaust Headers by Doug's Headers®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Emissions: EPA...
      $664.12
    • (0 reviews)
      # mpn359116185
      Mercury Comet 1966, Demolition Derby Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.625". 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
      $137.54
    • (0 reviews)
      # mpn359116201
      Mercury Comet 4.7L With Ford Small Block Engine 1966, IMCA Modified Steel Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.75"-1.875". Collector Outlet Diameter: 3.5". Collector Length: 9". This top-notch product by...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $279.19
    • (0 reviews)
      # mpn359116181
      Mercury Comet 4.7L With Ford Small Block Engine 1966, Stock Clip Crossover Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3.5". This top-notch product by Schoenfeld Headers is made to...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $288.09
    • (0 reviews)
      # mpn359116194
      Mercury Comet 4.7L With Ford Small Block Engine 1966, Stock Clip Steel Painted Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.75"-1.875". Collector Outlet Diameter: 3.5". Collector Length: 9". Finish: Painted. This...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $297.38
    • (0 reviews)
      # 142869154
      Mercury Comet Base 4.7L 1966, 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 of...
      Multi-Layer “Dead Soft” aluminum conforms to create a leak-proof sealWill not burn or blow out
      $46.77
    • (0 reviews)
      # 231299520
      Mercury Comet Base 1966, 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
      $13.21
    • (0 reviews)
      # 102132043
      Mercury Comet 1966, 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
      $17.83 - $37.91
    • (0 reviews)
      # mpn1553396
      Mercury Comet 4.7L 1966, Ultra-Seal Exhaust Header Gasket 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
      $31.49
    • (0 reviews)
      # 231299284
      Mercury Comet 1966, 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 need...
      Gaskets for every application, from mild to wildAluminum, copper or steel gaskets
      $23.08 - $31.49
    • (0 reviews)
      # mpn2505993
      Mercury Comet 6.4L / 7.0L 1966, 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
      $18.57
    • (0 reviews)
      # 564465239
      Mercury Comet Base 4.7L 1966, Multi-Layer Steel Exhaust Manifold Gasket by Cometic Gasket®. Material: Multi-Layer Steel. This state-of-the-art exhaust product combines advanced materials with the most current manufacturing processes to...
      Backed by unsurpassed quality and solid workmanshipWill deliver exceptional performance you expect to get
      $35.86
    • (0 reviews)
      # 652565889
      Mercury Comet 1966, 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
      $21.54 - $23.97
    • (0 reviews)
      # mpn4483467848
      Mercury Comet 4.7L 1966, 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
      $23.97
    • (0 reviews)
      # 652814881
      Mercury Comet 4.7L 1966, 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 utilizing the...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $16.86 - $18.77
    • (0 reviews)
      # 652405850
      Mercury Comet 1966, 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 for...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $33.24 - $34.26
    • (0 reviews)
      # mpn4483467965
      Mercury Comet 4.7L 1966, 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
      $35.11
    • (0 reviews)
      # 652534784
      Mercury Comet 1966, 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
      $20.18 - $21.77
    • (0 reviews)
      # 231109207
      Mercury Comet 4.7L 1966, 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
      $27.02
    • (0 reviews)
      # 482109993
      Mercury Comet 1966, Exhaust Header Gasket 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,...
      $23.62 - $39.19
    • (0 reviews)
      # mpn358503361
      Mercury Comet 4.7L 1966, Manifold/Header Gasket by Remflex®. Set of 2. 1-3/4" x 1-5/8" Square Port. Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications, where temperatures...
      Remflex exhaust gaskets come in a standard 1/8" thickness and are designed to crush 50%. This allows them to fill gaps in the flange surface up to 1/16"100% flexible graphite construction means Remflex gaskets are good for up to 3,000 degrees F - far exceeding that of any vehicle's exhaust system temperature
      $35.19
    • (0 reviews)
      # mpn359115915
      Mercury Comet 4.7L With Ford Small Block Engine 1966, 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
      $12.37
    • (0 reviews)
      # mpn1589347822
      Mercury Comet 4.7L 2BBL 1966, 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,...
      High quality at an affordable priceExpertly made from premium materials
      $39.07
    • (0 reviews)
      # 231299297
      Mercury Comet With Small Block Ford Engine 1966, 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
      $32.34 - $37.53
    • (0 reviews)
      # mpn1903658102
      Mercury Comet 7.0L 1966, Header Bolt 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...
      $36.69
    • (0 reviews)
      # 652581822
      Mercury Comet 1966, 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, this...
      Built to match your exact requirementsHigh quality you can rely on
      $58.19 - $122.42
    • (0 reviews)
      # 314940346
      Mercury Comet 1966, 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...
      High quality at an affordable priceExpertly made from premium materials
      $20.00 - $69.06
    • (0 reviews)
      # mpn1143020695
      Mercury Comet 4.7L 1966, Exhaust Pipe Flange Gasket by Apex Auto®. Apex products, at present, cover the engine gaskets, seals and head bolts for full coverage of Domestic, Japanese, Korean and popular Eurpoean applications, and are...
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $1.69
    • (0 reviews)
      # mpn1151262300
      Mercury Comet A / C Engine VIN Character 1966, 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...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $7.80
    • (0 reviews)
      # mpn4478921216
      Universal 304 SS Exhaust Manifold by Megan Racing®. Megan Racing Turbo Manifolds are made with T-304 stainless steel and utilize mandrel bent piping with CNC Machined Flanges. Each set is tested and dyno'ed to make sure the fitment and...
      $201.95
    • (0 reviews)
      # 399569638
      Universal Lakester Steel Weld-Up Exhaust Kit by Patriot Exhaust®. Material: Steel. Give your rod a nostalgic look with our Lakester style weld-up kits. Fits T-Buckets, Model A's, 32-34 Hi-Boys and most other fenderless street rods....
      Perfect blend of style, quality, and dependabilityGive your rod a nostalgic look
      $401.31 - $423.06
    • (0 reviews)
      # 285466062
      Universal Header Merge Collector by MagnaFlow®. These headers are a cost effective an easy way to boost your vehicle's horsepower and torque in almost nothing flat. They are made of mandrel bent stainless steel with a ceramic coating...
      Easy and a cost effective solution to add horsepower and torque to your enginePrecisely designed for quality, fit and function
      $248.00 - $311.58
    • (0 reviews)
      # 285466057
      Universal Aluminized Steel Header Collector Ball Flange Kit by Flowmaster®. Material: Aluminized Steel. The Collector Ball Flange takes the place of the messy three-bolt connections and ensures a leak-free and connection. The ball type...
      Replaces Messy 3-Bolt Flange ConnectionEnsures Leak Free Connection
      $101.48 - $101.98
    • (1 review)
      # 285466056
      Universal Scavenger Series Y-Collector by Flowmaster®. The patented Scavenger Y-Collector is based on the principles of Pulse Technology. They are designed to harmonize the exhaust pulses from two cylinders that are at the opposite ends...
      Race Proven TechnologyPatented Design that Creates Low Pressure Zones for Better Scavenging
      $48.74 - $55.38
    • (0 reviews)
      # 448253223
      Universal 304 SS Collector Adapter by Stainless Works®. Material: 304 SS. This superior product is made from high-grade stainless steel to ensure excellent quality and maximum resistance to corrosion. Engineered with careful attention...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $47.50 - $109.25
    • (0 reviews)
      # mpn1295593899
      Universal 304 SS Mill 2-Bolt Manifold Flange by Stainless Works®. Primary Tubing Diameter: 3.02". Finish: Mill. Material: 304 SS. This superior product is made from high-grade stainless steel to ensure excellent quality and maximum...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $38.00
    • (0 reviews)
      # 466746659
      Universal Ball-Socket Style Exhaust Flange Kit by Hedman Hedders®. Ball & Socket Header Flange Kits allow you to convert a gasket style, or race style header collector to a gasket-free Ball-Style Collector. Hedman’s gasketless, Ball &...
      Available in 304 Stainless Steel, Aluminized Steel, Mild SteelEasy to Install
      $32.51 - $158.40
    • (0 reviews)
      # 466972652
      Universal Header Reducers by Hedman Hedders®. Hedman reducers (exhaust system adapters) weld on to your exhaust system, so you can easily bolt up your Hedman Hedders to the vehicle’s exhaust.
      Available in Mild Steel, Aluminized Steel or Stainless SteelAll necessary hardware included
      $22.09 - $88.50
    • (0 reviews)
      # 466734101
      Universal Heat Riser Valve by Hedman Hedders®. Universal heat riser valve adapters are available in two and three bolt designs, and fit 2-1/2" and 3" collectors.
      Made of High Quality MaterialsEnsure Optimum Performance
      $51.39 - $74.53
    • (0 reviews)
      # 466901649
      Universal Mild Steel Exhaust Headers Collectors by Hedman Hedders®. Material: Mild Steel. This Hedman Hedders product is just the option for you in case you want to get the most out of your auto. It is made from first-rate materials to...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $50.22 - $232.48
    • (0 reviews)
      # 466877651
      Universal Mild Steel Header Reducers by Hedman Hedders®. Material: Mild Steel. Many of Hedman's newer hedder models utilize a ball & socket style collector. If your Hedman Hedders have thisstyle of collector they do not require a gasket.
      Made of High Quality MaterialsBuilt to Last
      $29.00 - $32.92
    • (0 reviews)
      # 285466074
      Universal 304 SS Merge Collector by Vibrant Performance®. Material: 304 SS. Vibrant Performance offers a comprehensive, high quality and affordably priced range of T304 Stainless Steel Merge Collectors to help free up maximum horsepower...
      Help free up maximum horsepowerEasy To Use
      $52.95 - $267.54
    • (0 reviews)
      # 482094993
      Universal 304 SS Slip Joint Adapter by Vibrant Performance®. Material: 304 SS. Vibrant Performance offers a comprehensive, high quality and affordably priced range of T304 Stainless Steel Merge Collectors to help free up maximum...
      Help free up maximum horsepowerEasy To Use
      $31.45 - $59.95
    • (0 reviews)
      # mpn4478920201
      Universal Donut Exhaust Flange by Megan Racing®. To meet the demands of today s tuners, Megan Racing will start to develop more universal exhaust pieces. All of Megan Racing universal exhaust pieces are constructed of T-304 stainless...
      Made with quality and safety in mindThe highest grade materials and the latest technologies
      $32.36
    • (0 reviews)
      # mpn1300425166
      Universal Low Carbon Steel Exhaust Header Extensions by DynoMax®. Material: Low Carbon Steel. With their great selection of exhaust pipes and accessories, DynoMax will provide you with everything necessary to complete the exhaust job....
      Designed to ensure unrestricted exhaust flowDirect fit – no modifications needed to install
      $50.99
    • (0 reviews)
      # 466758648
      Universal Reducer by Flowtech®. Flowtech understands that when you purchase a set of headers, a muffler, or even an entire exhaust system, you want to know that you’re getting everything you need to complete the installation.
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $19.42 - $128.95
    • (0 reviews)
      # 285466054
      Universal Elbow Kit by Dynatech®. These Long Tube Pavement Late Model Headers are designed for use with Standard Chevy engines. The Long Tube design promotes excellent torque throughout the RPM range.
      35” Equal Length primaries for maximum Torque and HorsepowerValve covers are removable with headers installed
      $109.99 - $118.79
    • (0 reviews)
      # 285466053
      Universal Mild Steel Black Painted High-Velocity Merge Collector by Dynatech®. Finish: Black Painted. Material: Mild Steel. Dynatech Merge Collectors are an excellent way to maximize the potential of your exhaust system. When your...
      Maximizes the potential of the exhaust systemMade of High Quality Materials
      $199.99
    • (0 reviews)
      # 285466052
      Universal Mild Steel High-flow Slip On Exhaust Collector by Dynatech®. Material: Mild Steel. Dynatech High-Flow Slip On Collectors are designed with maximum exhaust flow in mind. With a High-Flow long transition area, these collectors...
      Collectors come race-ready right out of the boxAvailable in a wide variety of primary tube and collector outlet sizes
      $49.99 - $167.99
    • (0 reviews)
      # mpn358955125
      Universal Collector Reducer Kit by Doug's Headers®. Doug’s collector reducer kits come complete with two reducers, gaskets and flange bolts. This product is made of high-quality materials to serve you for years to come. Designed using...
      High quality at an affordable priceExpertly made from premium materials
      $61.21
    • (0 reviews)
      # 466303475
      Universal Aluminized Steel 3-Bolt Flange Header Buddy Reducer by Jones Exhaust®. Material: Aluminized Steel. Thoroughly engineered to perform and outperform any competition, these premium exhaust pipes by Jones Exhaust are a must for...
      High quality at an affordable priceExpertly made from premium materials
      $28.72 - $29.05




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