1989 GMC G-Series Performance Headers

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    • (0 reviews)
      # 231095568
      GMC G-Series 1989, Cast Iron 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...
      High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $63.67 - $111.95
    • (0 reviews)
      # 1154709891
      GMC G-Series with Power Steering with A.I.R. System 1989, 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
      $371.51 - $639.74
    • (0 reviews)
      # 448388957
      GMC G-Series without Smog Injection or Injection Heads with Power Steering 1989, 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
      $260.38 - $521.52
    • (0 reviews)
      # mpn4564004617
      GMC G-Series 5.0L / 5.7L 1989, 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)
      # 231095595
      GMC G-Series with Angle or Straight Plug Heads with Chevy Small Block Engine 1989, 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)
      # 231095612
      GMC G-Series with Chevy Small Block Engine 1989, 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
    • (1 review)
      # 270944041
      GMC G-Series with Chevy Small Block Engine 1989, 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)
      # 231095658
      GMC G-Series with Chevy Small Block Engine 1989, 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)
      # 231095493
      GMC G-Series 7.4L with Chevy Big Block Engine 1989, Stainless Steel Long Tube Exhaust Headers by Dynatech®. Header Style: Long Tube. These Long Tube Dragster Headers are designed with looks and performance in mind.
      CNC laser cut flanges feature raised port location for increased powerUnique port gussets eliminate cracking caused by tire shake and muffler applications
      $739.99 - $1,399.99
    • (0 reviews)
      # 231095664
      GMC G-Series 1989, Stainless Steel Weld-up Dragster Exhaust Header Kit by Dynatech®. Color: Natural. Header Coating: Uncoated. Designed specifically for strut type front end cars and dragsters, this kit allows you to fabricate your own...
      Tack-welded to make it easy to change or finish weldCNC laser-cut flanges, gaskets and bolts included
      $399.99
    • (0 reviews)
      # 496449112
      GMC G-Series 7.4L 1989, 409 SS Upright Exhaust Headers by Flowtech®. Primary Tubing Diameter: 2.25". Collector Outlet Diameter: 4". Flowtech Headers are the perfect combination of quality and value. Mandrel-bent tubes provide consistent...
      Consistent tubing diameters for smooth flowIncreases the cylinder scavenging effect and improves engine breathing
      $308.95 - $350.95
    • (0 reviews)
      # mpn4564008678
      GMC G-Series Cutaway Van 5.7L 1989, 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
      $258.95
    • (0 reviews)
      # 91567234
      GMC G-Series 1989, Lakester Steel Weld-Up Exhaust Kit by Patriot Exhaust®. Material: Steel. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and...
      Perfect blend of style, quality, and dependabilityGive your rod a nostalgic look
      $229.26 - $270.62
    • (0 reviews)
      # 378638800
      GMC G3500 1989, Race Style Exhaust Header Weld-Up Kit by Patriot Exhaust®. These kits work great for racers who need to build custom headers when a specific fit header is not available. This superior Patriot EXhaust product is just for...
      Expertly crafted from premium materialsQuality design and workmanship
      $316.76 - $445.53
    • (0 reviews)
      # 378622663
      GMC G-Series 5.0L / 5.7L 1989, 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
      $255.91 - $556.88
    • (0 reviews)
      # 378638915
      GMC G1500 / G2500 / G3500 1989, 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...
      Expertly crafted from premium materialsQuality design and workmanship
      $315.49 - $679.49
    • (0 reviews)
      # 270944019
      GMC G-Series with Small Block Chevy Engine 1989, 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
      $236.01
    • (0 reviews)
      # 231095746
      GMC G-Series 1989, Steel Tight Tuck Street Rod Exhaust Headers 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...
      Expertly crafted from premium materialsQuality design and workmanship
      $205.77 - $539.96
    • (0 reviews)
      # 378622659
      GMC G-Series 5.0L / 5.7L 1989, 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
      $254.08 - $502.04
    • (0 reviews)
      # mpn4564004043
      GMC G-Series 7.4L with Big Block Chevy Engine 1989, Tri-5 Steel Mid-Length Tube Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 2". Collector Outlet Diameter: 3.5". Color: Gray. Header Coating: Uncoated. Header Style:...
      Expertly crafted from premium materialsQuality design and workmanship
      $261.90
    • (0 reviews)
      # 231320721
      GMC G-Series with Chevy Small Block Engine 1989, 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
      $261.32 - $699.45
    • (0 reviews)
      # 87333428
      GMC G-Series with Chevy Small Block Engine 1989, 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
      $261.11 - $297.76
    • (0 reviews)
      # 266643066
      GMC G-Series with Chevy Small Block Engine 1989, 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
      $144.22
    • (0 reviews)
      # 231320760
      GMC G-Series with Chevy Small Block Engine 1989, 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
      $261.32 - $720.76
    • (0 reviews)
      # mpn4564006037
      GMC G-Series 7.4L with Chevy Big Block Engine 1989, Dyno Sprint Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 2.125". Collector Length: 13". This top-notch product by Schoenfeld Headers is made to give that extra...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $336.04
    • (0 reviews)
      # 513422512
      GMC G-Series with Chevy Small Block Engine 1989, 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
      $192.74 - $285.56
    • (0 reviews)
      # 466734134
      GMC G-Series with Chevy Small Block Engine 1989, H Style Conventional 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $261.32 - $292.18
    • (0 reviews)
      # 231320895
      GMC G-Series with Chevy Small Block Engine 1989, 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
      $167.23 - $212.02
    • (0 reviews)
      # 231320974
      GMC G-Series 1989, Sprint Car 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 with utmost care and meticulous...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $239.03 - $666.21
    • (0 reviews)
      # 266652872
      GMC G-Series with Chevy Small Block Engine 1989, 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
      $250.57
    • (0 reviews)
      # 231320954
      GMC G-Series with Chevy Small Block Engine 1989, Stock Clip Steel 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
      $198.59 - $291.63
    • (0 reviews)
      # 87333532
      GMC G-Series with Chevy Small Block Engine 1989, Tri-Y 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $599.72 - $702.28
    • (0 reviews)
      # 266643608
      GMC G-Series with Chevy Small Block Engine 1989, 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
      $133.12
    • (0 reviews)
      # 231095642
      GMC G-Series with Chevy Small Block Engine / with LS-Based Engines 1989, 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 1989, 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
      $115.02
    • (0 reviews)
      # 87333477
      GMC G-Series 1989, Header Flanges 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 care and meticulous attention to...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $47.47 - $53.42
    • (0 reviews)
      # mpn4544838197
      GMC G-Series 7.4L with Big Block Chevy Engine 1989, Steel Core Laminate Exhaust Gasket Set by AFR®. Material: Steel Core Laminate. This product is made of high-quality materials to serve you for years to come. Designed using...
      Designed to meet the needs of racers or street enthusiastsMade using the latest in modern technology and advanced processes
      $25.95
    • (0 reviews)
      # 630375670
      GMC G-Series 1989, 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
      $3.36 - $8.63
    • (0 reviews)
      # 231095573
      GMC G-Series 1989, 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 to provide...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $4.12 - $10.27
    • (0 reviews)
      # mpn306537478
      GMC G-Series 5.0L / 5.7L For Stock Or CNC Ported Heads 1989, 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)
      # 231320706
      GMC G-Series 1989, Exhaust Header Copper Gasket by Big End Performance®. This Big End Performance 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 provide the...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $34.05 - $44.25
    • (0 reviews)
      # 270943935
      GMC G-Series with Small Block Chevy Engine 1989, 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
      $15.59
    • (0 reviews)
      # 466230476
      GMC G-Series 7.4L 1989, 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 resist...
      Made of High Quality MaterialsBuilt to Last
      $38.69
    • (0 reviews)
      # mpn4478724383
      GMC G3500 7.4L 1989, 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 provide...
      Backed by unsurpassed quality and solid workmanshipWill deliver exceptional performance you expect to get
      $38.69
    • (0 reviews)
      # 270943941
      GMC G-Series with Chevy Small Block Engine 1989, 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)
      # 270943948
      GMC G-Series with Chevy Small Block Engine 1989, 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)
      # 270943973
      GMC G-Series with Chevy Small Block Engine 1989, 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)
      # 270943978
      GMC G-Series with Chevy Small Block Engine 1989, 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
      $18.29
    • (0 reviews)
      # mpn630006925
      GMC G-Series 7.4L 1989, 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
      $14.13
    • (0 reviews)
      # mpn630006924
      GMC G-Series 7.4L 1989, 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
      $55.66
    • (0 reviews)
      # mpn4564003265
      GMC G-Series 5.0L / 5.7L 1989, 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
      $13.47
    • (0 reviews)
      # 245515994
      GMC G-Series 1989, 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
      $11.79
    • (0 reviews)
      # 102118622
      GMC G-Series 1989, 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
      $14.04 - $39.05
    • (0 reviews)
      # 231095711
      GMC G-Series 1989, 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 header bolts on most applications....
      Precision machined flangeBuilt of High quality materials
      $55.07 - $61.86
    • (0 reviews)
      # 652668863
      GMC G-Series 1989, 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.
      $23.97
    • (0 reviews)
      # 652691889
      GMC G-Series 1989, 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)
      # 652777931
      GMC G-Series 1989, 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
      $16.86 - $18.77
    • (0 reviews)
      # 652426859
      GMC G-Series 1989, 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.
      $35.11
    • (0 reviews)
      # 652316845
      GMC G-Series 1989, 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
      $33.24 - $35.11
    • (0 reviews)
      # 652407805
      GMC G-Series 1989, Seal-4-Good™ 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
      $35.11




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