1986 GMC G-Series Performance Headers

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    • (0 reviews)
      # 231319927
      GMC G-Series 1986, Exhaust Manifold by ATP®. Color: Natural. Header Coating: Uncoated. ATP Graywerks Exhaust Manifolds are a high quality OE replacement alternative. Each manifold is developed off of the original parts specifications,...
      Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage
      $80.32 - $177.77
    • (0 reviews)
      # 231094347
      GMC G-Series 1986, Exhaust Manifold by Dorman®. Color: Natural. Header Coating: Uncoated. 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...
      High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $67.95 - $205.95
    • (0 reviews)
      # 266660722
      GMC G-Series with Power Steering with A.I.R. System 1986, Standard Duty Mild Steel Long Tube Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Style: Long Tube. The standard-duty...
      Made of High Quality MaterialsBuilt to Last
      $378.80 - $652.29
    • (0 reviews)
      # 1154713894
      GMC G-Series without Smog Injection or Injection Heads with Power Steering 1986, Standard Duty Mild Steel Long Tube Racing Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Style:...
      Made from High Quality MaterialsBuilt to Last
      $265.48 - $531.74
    • (0 reviews)
      # mpn4564004617
      GMC G-Series 5.0L / 5.7L 1986, Exhaust Headers by Advance Adapters®. 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
      $241.46
    • (0 reviews)
      # 564900716
      GMC G-Series with Angle or Straight Plug Heads with Chevy Small Block Engine 1986, Dirt Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.75"-1.875". Collector Outlet Diameter: 3.5". Color: Black. Header Coating:...
      Gaskets and bolts includedMachine surfaced flanges - no leaks
      $319.99
    • (0 reviews)
      # 564885730
      GMC G-Series with Chevy Small Block Engine 1986, Long Tube Pavement Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.75"-1.875". Collector Outlet Diameter: 3.5". Collector Length: 7.50". Color: Black. Header Coating:...
      35” Equal Length primaries for maximum Torque and HorsepowerValve covers are removable with headers installed
      $399.99 - $444.99
    • (0 reviews)
      # 564710748
      GMC G-Series with Chevy Small Block Engine 1986, Mild Steel 604 Crate Engine Dirt Late Model Exhaust Header Kit by Dynatech®. Primary Tubing Diameter: 1.625"-1.75". Collector Outlet Diameter: 3". These 604 Crate Engine Dirt Late Model...
      Delivers a huge boost in performance and an awesome soundRigorously dyno-tested to provide maximum horsepower and torque gains
      $379.99 - $423.99
    • (1 review)
      # 564967734
      GMC G-Series with Chevy Small Block Engine 1986, Pro Cruiser Street Rod Small Block Block Hugger Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.63". Collector Outlet Diameter: 2.5". Comes standard with a Full One Year...
      Improves Performance and Appearance100% stainless steel construction
      $299.99
    • (0 reviews)
      # 564754719
      GMC G-Series with Chevy Small Block Engine 1986, Stainless Steel 604 Crate Engine Dirt Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.625"-1.75". Collector Outlet Diameter: 3". These Stainless Steel 604 Crate Engine...
      Engineered for 604 Crate enginesGaskets and bolts included
      $1,062.49
    • (0 reviews)
      # 564403236
      GMC G-Series with Chevy Small Block Engine 1986, Stainless Steel Weld-up Dragster Exhaust Header Kit by Dynatech®. Primary Tubing Diameter: 1.875"-2". Color: Natural. Header Coating: Uncoated. These Long Tube Big Block Chevy Dragster...
      Tack-welded to make it easy to change or finish weldCNC laser-cut flanges, gaskets and bolts included
      $399.99
    • (0 reviews)
      # 781589777
      GMC G-Series 5.0L / 5.7L 1986, 409 SS Upright Exhaust Headers by Flowtech®. Collector Outlet Diameter: 3". Color: Silver. Header Coating: Uncoated. Flowtech Headers are the perfect combination of quality and value. Mandrel-bent tubes...
      Consistent tubing diameters for smooth flowIncreases the cylinder scavenging effect and improves engine breathing
      $232.95 - $253.95
    • (0 reviews)
      # mpn4564008678
      GMC G-Series Cutaway Van 5.7L 1986, Competition™ Mild Steel Long Tube Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Collector Length: 8". Color: Black. Header Coating: Painted. Header...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $265.95
    • (0 reviews)
      # 546715200
      GMC G-Series with Small Block Chevy Engine 1986, Lakester Steel Weld-Up Exhaust Kit by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Material: Steel. This superior Patriot EXhaust product is just for you. Carefully designed for...
      Perfect blend of style, quality, and dependabilityGive your rod a nostalgic look
      $233.75 - $241.98
    • (0 reviews)
      # 378622663
      GMC G-Series 5.0L / 5.7L 1986, Roadster Exhaust Headers 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
      +1
      $260.93 - $567.80
    • (0 reviews)
      # 378614961
      GMC G-Series 1986, Steel Long Tube Exhaust Headers by Patriot Exhaust®. Collector Outlet Diameter: 3". Header Style: Long Tube. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will...
      Expertly crafted from premium materialsQuality design and workmanship
      $321.67 - $692.82
    • (0 reviews)
      # 564474243
      GMC G-Series with Small Block Chevy Engine 1986, Steel Long Tube Bucket Sprint Car Style Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Color: Gray. Header Coating: Uncoated....
      Expertly crafted from premium materialsQuality design and workmanship
      $240.64
    • (0 reviews)
      # 564891749
      GMC G-Series with Small Block Chevy Engine 1986, Steel Tight Tuck Street Rod Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". This superior Patriot Exhaust product is just for you. Carefully designed for maximum...
      Expertly crafted from premium materialsQuality design and workmanship
      $209.81 - $550.54
    • (0 reviews)
      # 378622659
      GMC G-Series 5.0L / 5.7L 1986, Street Rod Sprint Exhaust Headers 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...
      Expertly crafted from premium materialsQuality design and workmanship
      $259.06 - $511.89
    • (0 reviews)
      # 564674739
      GMC G-Series with Chevy Small Block Engine 1986, Conventional Crossover 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
      $266.45 - $713.17
    • (0 reviews)
      # 564937746
      GMC G-Series with Chevy Small Block Engine 1986, DIRT Modified 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 designed...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $266.23 - $303.60
    • (0 reviews)
      # 564618720
      GMC G-Series with Chevy Small Block Engine 1986, 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $147.05
    • (0 reviews)
      # 564639747
      GMC G-Series with Chevy Small Block Engine 1986, Dirt Late Model 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
      $266.45 - $734.90
    • (0 reviews)
      # 564674719
      GMC G-Series with Chevy Small Block Engine 1986, Exhaust Header 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 with utmost...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $196.52 - $291.16
    • (0 reviews)
      # 564971743
      GMC G-Series with Chevy Small Block Engine 1986, SBC Chassis 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
      $170.51 - $216.17
    • (0 reviews)
      # 564437236
      GMC G-Series with Chevy Small Block Engine 1986, Steel 180 Crossover Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Coating: Painted. This top-notch product by Schoenfeld...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $255.49
    • (0 reviews)
      # 565015749
      GMC G-Series with Chevy Small Block Engine 1986, Steel Sprint Car Exhaust Headers by Schoenfeld Headers®. Header Coating: Painted. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $243.71 - $679.28
    • (0 reviews)
      # 564831729
      GMC G-Series with Chevy Small Block Engine 1986, Zoomie Exhaust Headers by Schoenfeld Headers®. Standard Zoomie Grassburner. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates....
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $135.73
    • (0 reviews)
      # 564691746
      GMC G-Series with Chevy Small Block Engine / with LS-Based Engines 1986, MuscleMAXX Stainless Steel Header Reducer Cone Kit by Dynatech®. Material: Stainless Steel. Dynatech® reducer cone kits for MuscleMaxx headers. Reducers bolt to...
      Made of High Quality MaterialsBuilt to Last
      $139.99
    • (0 reviews)
      # mpn358582413
      GMC G-Series 5.0L / 5.7L 1986, Aluminum Header Flange Kit by Moroso®. Material: Aluminum. With this quality part backed by a great price, you can enjoy your vehicle so much more than you thought was possible. This Moroso part is...
      High quality at an affordable priceExpertly made from premium materials
      $117.27
    • (0 reviews)
      # 564848724
      GMC G-Series with Chevy Small Block Engine 1986, Header Flanges by Schoenfeld Headers®. Primary Tubing Diameter: 1.25". Material: Aluminum. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $54.46
    • (0 reviews)
      # 1092395825
      GMC G-Series 1986, 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 vehicle and lifestyle,...
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $3.42 - $8.80
    • (0 reviews)
      # mpn1151262244
      GMC G-Series 5.0L / 5.7L 1986, 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 quality...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $4.20
    • (0 reviews)
      # 231320191
      GMC G-Series 1986, 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
      $6.25 - $27.33
    • (0 reviews)
      # mpn306537478
      GMC G-Series 5.0L / 5.7L For Stock Or CNC Ported Heads 1986, Premium Header Gasket Set by BBK®. These premium steel core graphite gaskets are flexible for a long lasting leak-proof seal even when cylinder head and header flange surfaces...
      Provides a long lasting, leak-proof sealFlexible graphite will conform to surface irregularities and won't stick to headers or cylinder head
      $39.99
    • (0 reviews)
      # 564893711
      GMC G-Series with Small Block Chevy Engine 1986, Spread Port Exhaust Header Gasket by Brodix®. The Brodix Exhaust Gaskets are specifically engineered to fit the precise dimensions of Brodix cylinder heads. When the competition is on the...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $15.89
    • (0 reviews)
      # 564419236
      GMC G-Series with Chevy Small Block Engine 1986, Aluminum Adapter Plate by Dynatech®. Material: Aluminum. These SBC to Stahl Aluminum Adapter Plate Kits allow you to use a larger tube size to maximize power.
      Delivers a huge boost in performance and an awesome soundRigorously dyno-tested to provide maximum horsepower and torque gains
      $164.99
    • (0 reviews)
      # 564602755
      GMC G-Series with Chevy Small Block Engine 1986, Fiber Exhaust Header Gasket by Dynatech®. Material: Fiber. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically designed to fit...
      Made of High Quality MaterialsNo Leaks
      $15.99
    • (0 reviews)
      # 564724725
      GMC G-Series with Chevy Small Block Engine 1986, Spread Port Exhaust Header Gasket Kit by Dynatech®. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically designed to fit a wide...
      Made of High Quality MaterialsBuilt to Last
      $15.99
    • (0 reviews)
      # 564454222
      GMC G-Series with Chevy Small Block Engine 1986, Standard Port Exhaust Header Gasket Kit by Dynatech®. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically designed to fit a...
      Made of High Quality MaterialsSold in Pairs
      $15.99
    • (0 reviews)
      # 231319371
      GMC G-Series 5.0L / 5.7L 1986, 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...
      Engineered for a precise, easy fitManufactured of P73 Ferroglass non-asbestos facing material for long life
      $10.85
    • (0 reviews)
      # mpn4564003265
      GMC G1500 / G2500 5.0L / 5.7L 1986, 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...
      Precision fit for improved sealingSteel core provides superior adhesion
      $13.79
    • (0 reviews)
      # 245515991
      GMC G-Series 1986, Header Gasket by Howe Racing Enterprises®. Designed utilizing the latest technology, this product by Howe Racing Enterprises® features premium quality and will perform better than advertised. Perfect for your vehicle...
      High quality at an affordable priceExpertly made from premium materials
      $12.02
    • (0 reviews)
      # 102118454
      GMC G-Series 5.0L / 5.7L 1986, 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
      $14.38 - $39.99
    • (0 reviews)
      # 1022402120
      GMC G-Series 5.0L / 5.7L 1986, Multi-Layered Steel Exhaust Header Gaskets by Mr. Gasket®. Material: Multi-Layered Steel. Whatever exhaust system you install on your engine, whether it's a set of chromed headers or simply a set of...
      Gaskets for every application, from mild to wildDesigned to restore functionality
      $18.08
    • (0 reviews)
      # 564626769
      GMC G-Series with Small Block Chevy Engine 1986, Header Flange Kit by Patriot Exhaust®. Patriot precision machined header flange kits are available for many popular engine families. Header flange kits come complete with gaskets and...
      Precision machined flangeBuilt of High quality materials
      $56.15 - $69.01
    • (0 reviews)
      # 652578871
      GMC G-Series 1986, Graph-Flex Header Flange Gaskets by Percy's High Performance®. Persy's High Performance makes exhaust manifold and collector gaskets that will withstand the temperatures generated by turbocharged motors, and exhaust...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $24.44
    • (0 reviews)
      # 652355801
      GMC G-Series 1986, 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
      $21.96 - $24.44
    • (0 reviews)
      # 652466824
      GMC G-Series 1986, 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
      $17.19 - $19.14
    • (0 reviews)
      # 652400881
      GMC G-Series 1986, Seal-4-Good™ Aluminum Header Flange Gaskets by Percy's High Performance®. Material: Aluminum. Percy's High Performance makes exhaust manifold and collector gaskets that will withstand the temperatures generated by...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $35.80
    • (0 reviews)
      # 652453799
      GMC G-Series 1986, Seal-4-Good™ 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,...
      Multi-layered for excellent conformability and sealSeals even imperfect flanges
      $33.89 - $35.80
    • (0 reviews)
      # 652183871
      GMC G-Series 1986, Seal-4-Good™ Round 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 Quality. Designed...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $35.80
    • (0 reviews)
      # 652640807
      GMC G-Series 1986, 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
      $19.53 - $22.19
    • (0 reviews)
      # 652259848
      GMC G-Series 1986, XX Carbon™ Header Flange Gaskets by Percy's High Performance®. Persy's High Performance makes exhaust manifold and collector gaskets that will withstand the temperatures generated by turbocharged motors, and exhaust...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $22.19
    • (0 reviews)
      # 564872742
      GMC G-Series 1986, Soft Conforming Aluminum Header Gasket Set by ProForm®. Material: Soft Conforming Aluminum. Made From Soft Conforming Aluminum Material, Easily Mates and Conforms To The Surface Of Exhaust Headers To Provide a Great...
      Designed to upgrade your ride's performanceProduced by highly specialized machines to last
      $25.42
    • (0 reviews)
      # 482129986
      GMC G-Series 1986, 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. Whether you have an...
      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
      $28.22 - $30.79
    • (0 reviews)
      # 231320208
      GMC G-Series 1986, 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
      $46.88
    • (0 reviews)
      # 564929722
      GMC G-Series with Chevy Small Block Engine 1986, 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 designed with...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $11.15 - $16.03
    • (0 reviews)
      # 118585277
      GMC G-Series 5.0L / 5.7L 1986, Compressed Ceramic Fiber Exhaust Header Gaskets by Spectre Performance®. Material: Compressed Ceramic Fiber. Rooted in racing, Spectre Performance designs and builds every product with the same goal in...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      $17.71 - $19.62
    • (0 reviews)
      # 564699729
      GMC G-Series with Small Block Engine 1986, Header Bolt Kit by ARP®. ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12-point...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $20.79 - $105.13




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