1970 GMC Jimmy Performance Headers

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    • (0 reviews)
      # 142865766
      GMC Jimmy A Engine VIN Character 1970, Long Tube Headers by Flowtech®. FLOWTECH headers are precision engineered and leak tested to get maximum performance and fuel economy from your engine. Each header is formed from specially...
      Mandrel-formed Power Plenum collectors for low backpressureConstructed of .060 cold roll flash mild steel tubing
      $152.95 - $323.95
    • (0 reviews)
      # 139171406
      GMC Jimmy W/O Angle Plug Heads 1970, Competition™ Header by Hooker®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Carb Compliant: No. Collector Length: 8". System Type: Long Tube. Series: Competition™....
      Provides unique styling enhancementIncreased corrosion protection ensures long service life and maintained appearance of investment
      $204.95 - $607.95
    • (0 reviews)
      # 139171416
      GMC Jimmy 1970, Super Competition™ Header by Hooker®. All necessary hardware included for a complete installation Carb Compliant: No. System Type: Long Tube. Series: Super Competition™. This product is made of high-quality...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $509.95 - $973.95
    • (0 reviews)
      # 231083547
      GMC Jimmy with Chevy Small Block Engine 1970, 604 Crate Engine Dirt Late Model Mild Steel Header Kit by Dynatech®. Material: Mild Steel. These 604 Crate Engine Dirt Late Model Headers have been designed specifically for use with...
      Delivers a huge boost in performance and an awesome soundRigorously dyno-tested to provide maximum horsepower and torque gains
      $379.99
    • (0 reviews)
      # 231083595
      GMC Jimmy with Chevy Small Block Engine 1970, 604 Crate Engine Stainless Steel Dirt Late Model Headers by Dynatech®. These Stainless Steel 604 Crate Engine Dirt Late Model Header Kits have been designed specifically for use with...
      Engineered for 604 Crate enginesGaskets and bolts included
      $924.99
    • (0 reviews)
      # 231083552
      GMC Jimmy 5.0L / 5.7L with Chevy Small Block Engine 1970, Dirt Late Model Headers by Dynatech®. These Long Tube Dirt Late Model Headers are designed for use with straight or angle plug heads and standard Chevy engines.
      Gaskets and bolts includedMachine surfaced flanges - no leaks
      $309.99 - $374.99
    • (0 reviews)
      # 231083614
      GMC Jimmy 5.0L / 5.7L with Chevy Small Block Engine 1970, Economy Crossover Headers by Dynatech®. These Economy Crossover Headers are designed for use with a variety of engines and applications. Designed for angle or straight plug...
      Non-equal length design gives flat torque curve for slick tracksValve covers can be removed with header installed
      $299.99 - $319.99
    • (0 reviews)
      # 231083572
      GMC Jimmy 5.0L / 5.7L with Angle or Straight Plug Heads with Chevy Small Block Engine 1970, IMCA Modified Mild Steel Headers by Dynatech®. These Small Block Chevy Modified Headers have been designed for use with straight or angle...
      Made of High Quality MaterialsGaskets and bolts included
      $269.99 - $329.99
    • (0 reviews)
      # 231083578
      GMC Jimmy 5.0L / 5.7L with Chevy Small Block Engine 1970, Long Tube Pavement Late Model Headers by Dynatech®. Includes: Hardware, Gasket(s). Finish: Painted. Collector Length: 7.50". These Long Tube Pavement Late Model Headers are...
      35” Equal Length primaries for maximum Torque and HorsepowerValve covers are removable with headers installed
      $389.99 - $399.99
    • (0 reviews)
      # 231083584
      GMC Jimmy 5.0L / 5.7L with Chevy Small Block Engine 1970, Mid Length Modified Headers by Dynatech®. These Mid Length Modified Headers have been designed for use with straight or angle plug heads.
      Fits angle or straight plug heads.Gaskets and bolts included.
      $239.99 - $309.99
    • (1 review)
      # 231030565
      GMC Jimmy 5.0L / 5.7L with Chevy Small Block Engine 1970, Mild Steel Painted IMCA Southern Sport Mod Exhaust Header by Dynatech®. These Small Block Chevy IMCA Southern Sport Mod Headers have been designed for use with angle or...
      Engineered for 602 Crate enginesGaskets and bolts included
      $229.99
    • (0 reviews)
      # 231083590
      GMC Jimmy 5.0L / 5.7L with Chevy Small Block Engine / with LS-Based Engines 1970, MuscleMAXX Stainless Steel Header Reducer Cone Kit by Dynatech®. Includes: Bolts/Studs, Gaskets. Finish: Natural. Material: Stainless Steel. Series:...
      Made of High Quality MaterialsBuilt to Last
      $139.99
    • (0 reviews)
      # 96828586
      GMC Jimmy 5.0L / 5.7L with Chevy Small Block Engine 1970, Polished Pro Cruiser Block Hugger Exhaust Header by Dynatech®. This Small Block Chevy Stainless Steel Block Hugger Header is an excellent way to improve the performance and...
      Improves Performance and Appearance100% stainless steel construction
      $299.99
    • (0 reviews)
      # 231030645
      GMC Jimmy 5.0L / 5.7L with Chevy Small Block Engine 1970, Stainless Steel Natural Weld-up Dragster Exhaust Header Kit by Dynatech®. These Long Tube Big Block Chevy Dragster Header kits are designed with ease of assembly and...
      Tack-welded to make it easy to change or finish weldCNC laser-cut flanges, gaskets and bolts included
      $349.99
    • (0 reviews)
      # 231083605
      GMC Jimmy 5.0L / 5.7L with Chevy Small Block Engine 1970, Stock Clip Headers by Dynatech®. These Small Block Chevy IMCA Southern Sport Mod Headers have been designed for use with angle or straight plug heads. IMCA Sport Mod Legal...
      Fits standard Chevy engines with angle or straight plug headsGaskets and bolts included
      $249.99 - $309.99
    • (0 reviews)
      # 231030744
      GMC Jimmy 5.0L / 5.7L with Small Block Chevy Engine 1970, Steel Raw Bucket Sprint Car Style Exhaust Header by Patriot Exhaust®. Finish: Raw. Material: Steel. This superior Patriot EXhaust product is just for you. Carefully designed...
      Expertly crafted from premium materialsQuality design and workmanship
      $223.17
    • (0 reviews)
      # 231083653
      GMC Jimmy 5.0L / 5.7L with Small Block Chevy Engine 1970, Tight Tuck Street Rod Headers by Patriot Exhaust®. Material: Steel. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is...
      Expertly crafted from premium materialsQuality design and workmanship
      $195.77 - $495.70
    • (0 reviews)
      # 231161773
      GMC Jimmy With Chevy Small Block Engine 5.0L / 5.7L 1970, 180 Crossover Headers by Schoenfeld Headers®. Includes: Bolts, Studs, Gaskets. Header made from Steel. 180 Degree. Comes in a set Includes: Bolts, Studs, Gaskets. Primary...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $253.45
    • (0 reviews)
      # 231321536
      GMC Jimmy With Chevy Small Block Engine 5.0L / 5.7L 1970, 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....
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $263.20 - $671.84
    • (0 reviews)
      # 87333564
      GMC Jimmy With Chevy Small Block Engine 5.0L / 5.7L 1970, 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $263.20 - $302.20
    • (0 reviews)
      # 87258388
      GMC Jimmy With Chevy Small Block Engine 5.0L / 5.7L 1970, Demolition Derby 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $136.84
    • (0 reviews)
      # 231321602
      GMC Jimmy With Chevy Small Block Engine 5.0L / 5.7L 1970, 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $263.20 - $745.48
    • (0 reviews)
      # 87333612
      GMC Jimmy With Chevy Small Block Engine 5.0L / 5.7L 1970, IMCA 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $168.43 - $364.99
    • (0 reviews)
      # 231321708
      GMC Jimmy With Chevy Small Block Engine 5.0L / 5.7L 1970, SBC Chassis Exhaust Headers by Schoenfeld Headers®. Includes: Bolts, Studs, Gaskets. Header made from Steel. Comes in a kit Includes: Bolts, Studs, Gaskets. This top-notch...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $168.43 - $231.61
    • (0 reviews)
      # 231321801
      GMC Jimmy With Chevy Small Block Engine 5.0L / 5.7L 1970, 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $242.14 - $644.23
    • (0 reviews)
      # 87333664
      GMC Jimmy With Chevy Small Block Engine 5.0L / 5.7L 1970, Tri-Y 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
      $643.09 - $699.46
    • (0 reviews)
      # 231161760
      GMC Jimmy With Chevy Small Block Engine 5.0L / 5.7L 1970, Zoomie Headers by Schoenfeld Headers®. Standard Zoomie Grassburner 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
      $134.73
    • (0 reviews)
      # 97232593
      GMC Jimmy 1970, Elite Ultra-Duty Headers by Hedman Hedders®. Collector Outlet Diameter: 3". System Type: Full Length. Hedman's ELITE Hedders are the best you can buy. They have thicker flanges. stronger wall tubing and a thermal...
      Made of High Quality MaterialsIdeal for Heavy Duty Applications
      $422.81 - $712.32
    • (0 reviews)
      # 231163074
      GMC Jimmy W/O Smog Injection or Injection Heads With Angle Plug Heads With Early Chassis 1970, Mild Steel Black MAXX Coated Full Length Headers by Hedman Hedders®. 1 Pair. Includes: Bolts, Studs, Gaskets, Reducers. Header made from...
      Made of High Quality MaterialsExtremely durable, protective SATIN BLACK ceramic-metallic coating
      $442.72
    • (0 reviews)
      # 97232597
      GMC Jimmy 1970, Standard Duty Headers by Hedman Hedders®. Collector Outlet Diameter: 3". System Type: Full Length. The standard-duty Hedman Hedders come from the factory with an extremely durable, protective ceramic-metallic...
      Made of High Quality MaterialsBuilt to Last
      $174.05 - $1,206.23
    • (0 reviews)
      # 56801429
      GMC Jimmy With Chevy Small Block Engine 5.0L / 5.7L 1970, Aluminum Inner Header Flange by Schoenfeld Headers®. 1 Piece. Header Flange made from Aluminum. Header Flange Port Shape: Round. 0.25" Thick, 1.25" Port Material: Aluminum....
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $54.34
    • (0 reviews)
      # 231321336
      GMC Jimmy 1970, 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, this...
      Engineered for a precise, easy fitManufactured of P73 Ferroglass non-asbestos facing material for long life
      $10.29
    • (0 reviews)
      # 231321429
      GMC Jimmy 1970, Super Competition™ Header Gasket by Hooker®. 0.070" Thick. Same As Port Series: Super Competition™. Thickness: 0.07". Hooker's precision-matched Super Competition header gaskets provide a sure fit and unmatched...
      Precision fit for improved sealingSteel core provides superior adhesion
      $13.21
    • (1 review)
      # 73937806
      GMC Jimmy A Engine VIN Character 1970, Pressure Master™ Header Seal by Earl's Performance®. Pressure Master™ Seals, designed and manufactured for Earl’s by Parker Hannifin Corporation, were the first high performance seals...
      Uses Aerospace TechnologyReusable/Adaptable
      $24.52 - $44.62
    • (0 reviews)
      # 231030718
      GMC Jimmy 5.0L / 5.7L with Chevy Small Block Engine 1970, 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
      $159.99
    • (0 reviews)
      # 231030707
      GMC Jimmy 5.0L / 5.7L with Chevy Small Block Engine 1970, Fiber Exhaust Gasket by Dynatech®. Material: Fiber. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically designed...
      Made of High Quality MaterialsNo Leaks
      $15.99
    • (0 reviews)
      # 231030661
      GMC Jimmy 5.0L / 5.7L with Chevy Small Block Engine 1970, Gasket Set by Dynatech®. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically designed to fit a wide variety of...
      Made of High Quality MaterialsBuilt to Last
      $15.99
    • (0 reviews)
      # 231030694
      GMC Jimmy 5.0L / 5.7L with Chevy Small Block Engine 1970, Port 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 variety...
      Made of High Quality MaterialsSold in Pairs
      $15.99
    • (0 reviews)
      # 12055517
      GMC Jimmy 5.0L / 5.7L 1970, Exhaust Header Gaskets by Spectre Performance®. Includes: 2 Gaskets. Rooted in racing, Spectre Performance designs and builds every product with the same goal in mind - the best performance in the market...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      $8.52 - $19.91
    • (0 reviews)
      # 89563444
      GMC Jimmy 5.0L / 5.7L 1970, Exhaust Header Gaskets by Taylor Cable®. Series: XX Carbon™. These extreme high-temperature gaskets are well-suited for highly-modified engines: turbocharged, supercharged, nitrous or fuel. This is a...
      Will survive 2000°F exhaust temperatures for extended periodsCarbon felt material on a stainless steel core
      $18.79 - $20.92
    • (0 reviews)
      # 89563387
      GMC Jimmy 5.0L / 5.7L 1970, Exhaust Header Gaskets by Taylor Cable®. Series: Graph-Flex™. These extreme high-temperature gaskets are well-suited for highly-modified engines: turbocharged, supercharged, nitrous or fuel. This is a...
      Will survive 2000°F exhaust temperatures for extended periodsCarbon felt material on a stainless steel core
      $20.70 - $23.04
    • (0 reviews)
      # 89563431
      GMC Jimmy 5.0L / 5.7L 1970, Exhaust Header Gaskets by Taylor Cable®. Series: Seal-4-Good™. These extreme high-temperature gaskets are well-suited for highly-modified engines: turbocharged, supercharged, nitrous or fuel. This is a...
      Will survive 2000°F exhaust temperatures for extended periodsCarbon felt material on a stainless steel core
      $33.74 - $37.11
    • (0 reviews)
      # 89563380
      GMC Jimmy 5.0L / 5.7L 1970, Graph-Flex Header Flange Gaskets by Taylor Cable®. Taylor Cable makes exhaust manifold and collector gaskets that will withstand the temperatures generated by turbocharged motors, and exhaust gas...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $23.04
    • (0 reviews)
      # 231083696
      GMC Jimmy 1970, HTR Collector Gasket by Taylor Cable®. Series: HTR. 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
      $17.10 - $21.54
    • (0 reviews)
      # 89563424
      GMC Jimmy 5.0L / 5.7L 1970, Seal-4-Good Aluminum Header Flange Gasket by Taylor Cable®. Material: Aluminum. Taylor Cable makes exhaust manifold and collector gaskets that will withstand the temperatures generated by turbocharged...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $33.74
    • (0 reviews)
      # 231030774
      GMC Jimmy 5.0L / 5.7L 1970, Seal-4-Good Round Header Flange Gasket by Taylor Cable®. 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
      $33.74
    • (0 reviews)
      # 89563457
      GMC Jimmy 5.0L / 5.7L 1970, XX Carbon™ Header Flange Gaskets by Taylor Cable®. Series: XX Carbon™. Taylor Cable makes exhaust manifold and collector gaskets that will withstand the temperatures generated by turbocharged motors,...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $20.92
    • (0 reviews)
      # 231030551
      GMC Jimmy 5.0L / 5.7L with Small Block Chevy Engine 1970, Spread Port Exhaust Gasket by Brodix®. The Brodix Exhaust Gaskets are specifically engineered to fit the precise dimensions of Brodix cylinder heads. When the competition is...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $15.19
    • (0 reviews)
      # 231083522
      GMC Jimmy 5.0L / 5.7L 1970, MLS Exhaust Header Gasket by Cometic Gasket®.
      Made of High Quality MaterialsBuilt to Last
      $19.12 - $35.86
    • (0 reviews)
      # 245514359
      GMC Jimmy 5.0L 1970, Header Gasket by Howe Racing Enterprises®. 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...
      Built to match your exact requirementsHigh quality you can rely on
      $11.68
    • (0 reviews)
      # 231083649
      GMC Jimmy 5.0L / 5.7L with Small Block Chevy Engine 1970, 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...
      Precision machined flangeBuilt of High quality materials
      $45.11 - $57.12
    • (0 reviews)
      # 213370263
      GMC Jimmy 5.0L / 5.7L 1970, Seal-4-Good Header Gasket 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...
      Limited Lifetime Replacement WarrantyMade Of Dead Soft Aluminum
      $37.18
    • (0 reviews)
      # 213370266
      GMC Jimmy 5.0L / 5.7L 1970, XX Carbon Header Gasket by Percy's High Performance®. These gaskets are designed to give the performance you expect at a price you can afford. Our XX Carbon gaskets are made of Taylor's proprietary 100%...
      Perfect For Even Nitrous/Turbo/Blower MotorsWithstands Long Term Exposure To Over 2000 Degrees
      $31.39
    • (0 reviews)
      # 231030752
      GMC Jimmy 5.0L / 5.7L 1970, Soft Conforming Aluminum Header Gasket Set by ProForm®. Made From Soft Conforming Aluminum Material, Easily Mates and Conforms To The Surface Of Exhaust Headers To Provide a Great Seal Each Time, Sold As...
      Carefully designed to improve the performance of your vehicleCrafted from first-rate materials
      $24.87
    • (0 reviews)
      # 262499942
      GMC Jimmy 5.0L 1970, Adaptor Flange Gasket by Remflex®. Set of 2. 1-15/16" Port Size. Stahl 7-Bolt Pattern. Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications, where...
      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)
      # 262499957
      GMC Jimmy 5.0L / 5.7L 1970, Exhaust Header Gasket by Remflex®. Set of 6. 1-15/16" W x 1-13/16" H Exhaust Ports. SBC Stahl 7 Bolt Pattern. Remflex's unique flexible graphite material has been proven for more than 30 years in...
      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
      $31.98
    • (0 reviews)
      # 87333607
      GMC Jimmy With Chevy Small Block Engine 5.0L / 5.7L 1970, Exhaust Headers Gasket by Schoenfeld Headers®. 1 Piece. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $11.23 - $16.15
    • (0 reviews)
      # 116548316
      GMC Jimmy 2BBL 1970, Exhaust Manifold Gasket Set by Magnum Gasket®. You'd better be ready to take the heat if you're going to seal an exhaust manifold, where temperatures can often exceed 1,000°F. You can count on Magnum to offer...
      Made of High Quality MaterialsThe best combination of steel layers and high-temp gasket materials
      $9.35
    • (0 reviews)
      # 231163049
      GMC Jimmy 5.0L 1970, Header Gasket by RHS®.
      $39.78
    • (0 reviews)
      # 231083484
      GMC Jimmy 1970, Vibe-Lock Header Bolt Kit by Taylor Cable®. 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 latest...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $18.12 - $84.08




    1970 GMC Jimmy Performance Headers Reviews

    Average rating:  4.5  4.5 - 39 reviews
    5 of 5
    CanAmMex® 00747-212 - Thunderbolt™ Hi-Polished Single Rolled Angled Oval Tip
    These appear to be of very good quality, good welds.
    JPosted by John (Enfield, CT) / February 24, 2016
    Was this review helpful for you? Yes
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