1974 GMC P-Series Performance Headers

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    • (0 reviews)
      # 381659170
      GMC P35/P3500 Van Motor Home 1974, Competition™ Performance Steel Long Tube Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Collector Length: 8". Emissions: Racing Only. Header Style: Long...
      $241.95 - $452.95
    • (0 reviews)
      # 346380099
      GMC P-Series 5.7L with Angle or Straight Plug Heads with Chevy Small Block Engine 1974, Black Painted Dirt Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.75"-1.875". Collector Outlet Diameter: 3.5". Emissions:...
      $319.99
    • (0 reviews)
      # mpn358945592
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, Black Painted Economy Crossover Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Emissions: Racing Only. Finish: Black Painted. These...
      $299.99
    • (0 reviews)
      # 346380102
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, Black Painted 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". Emissions:...
      $399.99 - $429.99
    • (0 reviews)
      # 346380105
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, Mid-Length Tube Modified Exhaust Headers by Dynatech®. Emissions: Racing Only. Header Style: Mid-Length Tube. These Mid Length Modified Headers have been designed for use with...
      $239.99 - $329.99
    • (0 reviews)
      # 270983821
      GMC P-Series with Chevy Small Block Engine 1974, Mild Steel 604 Crate Engine Dirt Late Model Exhaust Header Kit by Dynatech®. Primary Tubing Diameter: 1.625"-1.75". Collector Outlet Diameter: 3". Emissions: Racing Only. These 604 Crate...
      $379.99
    • (0 reviews)
      # 346380117
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, Mild Steel Black Painted Stock Clip Exhaust Headers by Dynatech®. Collector Outlet Diameter: 3". Emissions: Racing Only. Finish: Black Painted. These Small Block Chevy IMCA Southern...
      $309.99 - $344.99
    • (1 review)
      # mpn358945662
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, Pro Cruiser Polished Street Rod Small Block Block Hugger Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.63". Collector Outlet Diameter: 2.5". Emissions: Racing Only....
      $299.99
    • (0 reviews)
      # 270983824
      GMC P-Series with Chevy Small Block Engine 1974, Stainless Steel 604 Crate Engine Dirt Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.625"-1.75". Collector Outlet Diameter: 3". Emissions: Racing Only. These...
      $924.99 - $1,062.49
    • (0 reviews)
      # 231128432
      GMC P-Series 7.4L with Chevy Big Block Engine 1974, Stainless Steel Long Tube Exhaust Headers by Dynatech®. Emissions: Racing Only. Header Style: Long Tube. These Long Tube Dragster Headers are designed with looks and performance in mind.
      $739.99 - $1,399.99
    • (0 reviews)
      # 346380111
      GMC P-Series 1974, Stainless Steel Natural Weld-up Dragster Exhaust Header Kit by Dynatech®. Emissions: Racing Only. Finish: Natural. Designed specifically for strut type front end cars and dragsters, this kit allows you to fabricate...
      $399.99 - $427.99
    • (0 reviews)
      # 466369369
      GMC P-Series Automatic Transmission 1974, Exhaust Headers by Patriot Exhaust®. Collector Outlet Diameter: 3". Emissions: Racing Only. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is...
      $267.63 - $509.63
    • (0 reviews)
      # 360144043
      GMC P-Series 1974, Lakester Steel Weld-Up Exhaust Kit by Patriot Exhaust®. Emissions: Racing Only. Material: Steel. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will more than...
      $229.26 - $270.62
    • (0 reviews)
      # 378646359
      GMC P35/P3500 Van 1974, 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...
      $315.49 - $679.49
    • (0 reviews)
      # 447947960
      GMC P35/P3500 Van 1974, Race Style Exhaust Header Weld-Up Kit by Patriot Exhaust®. Emissions: Racing Only. These kits work great for racers who need to build custom headers when a specific fit header is not available. This superior...
      $316.76 - $445.53
    • (0 reviews)
      # mpn358950119
      GMC P-Series 5.7L with Small Block Chevy Engine 1974, Steel Raw Long Tube Bucket Sprint Car Style Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Emissions: EPA compliant. Finish:...
      $236.01
    • (0 reviews)
      # 336850544
      GMC P-Series 1974, 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...
      $202.89 - $530.71
    • (0 reviews)
      # mpn358950110
      GMC P-Series 7.4L with Big Block Chevy Engine 1974, Tri-5 Steel Raw Mid-Length Tube Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 2". Collector Outlet Diameter: 3.5". Emissions: Racing Only. Finish: Raw. Color: Gray....
      $263.60
    • (0 reviews)
      # 344900744
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $261.32 - $699.45
    • (0 reviews)
      # 344900774
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $261.32 - $301.92
    • (0 reviews)
      # mpn359116081
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $144.22
    • (0 reviews)
      # 344900687
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, 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)
      # mpn359116142
      GMC P-Series 7.4L with Chevy Big Block Engine 1974, 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
      $312.33
    • (0 reviews)
      # 344900789
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, 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 product is...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $167.23 - $379.85
    • (0 reviews)
      # 344900769
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, 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)
      # 344900830
      GMC P-Series 1974, Sprint Car Exhaust Headers by Schoenfeld Headers®. Emissions: Racing Only. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This product is designed with...
      $240.41 - $662.37
    • (0 reviews)
      # mpn359116120
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, Steel Painted 180 Crossover Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Finish: Painted. This top-notch product by...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $271.78
    • (0 reviews)
      # 344900814
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, Stock Clip Steel Painted Exhaust Headers by Schoenfeld Headers®. Finish: 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 - $292.18
    • (0 reviews)
      # 344900858
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, Street Stock Steel Painted Exhaust Headers by Schoenfeld Headers®. Finish: 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
      $219.50 - $656.83
    • (0 reviews)
      # 344900821
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, 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
      $640.27 - $702.28
    • (0 reviews)
      # mpn359116012
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $133.12
    • (0 reviews)
      # 346380108
      GMC P-Series 5.7L with Chevy Small Block Engine / with LS-Based Engines 1974, MuscleMAXX Stainless Steel Natural Header Reducer Cone Kit by Dynatech®. Finish: Natural. Material: Stainless Steel. Dynatech® reducer cone kits for...
      Made of High Quality MaterialsBuilt to Last
      $139.99 - $154.99
    • (0 reviews)
      # mpn358957196
      GMC P-Series 7.4L with Big Block Chevy Engine 1974, 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
      $25.36
    • (0 reviews)
      # 344900786
      GMC P-Series 1974, 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)
      # mpn358945752
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, 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)
      # mpn358945745
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, 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...
      Made of High Quality MaterialsNo Leaks
      $15.99
    • (0 reviews)
      # mpn358945740
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, 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...
      Made of High Quality MaterialsBuilt to Last
      $15.99
    • (0 reviews)
      # mpn358945741
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, 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...
      Made of High Quality MaterialsSold in Pairs
      $15.99
    • (0 reviews)
      # mpn584600114
      GMC P-Series 5.7L with Small Block Chevy Engine 1974, 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...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $15.59
    • (0 reviews)
      # 466183471
      GMC P-Series 1974, 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
      $19.12 - $38.69
    • (0 reviews)
      # 564909727
      GMC P-Series 1974, 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
      $36.81 - $38.69
    • (0 reviews)
      # 336850539
      GMC P-Series 1974, 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
      $46.51 - $67.69
    • (0 reviews)
      # 652506834
      GMC P-Series 1974, 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)
      # 652418894
      GMC P-Series 1974, 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)
      # 652362864
      GMC P-Series 1974, 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 latest...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $16.86 - $18.77
    • (0 reviews)
      # 652240791
      GMC P-Series 5.7L 1974, 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...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $35.11
    • (0 reviews)
      # 652470796
      GMC P-Series 1974, 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,...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $33.24 - $35.11
    • (0 reviews)
      # 652699882
      GMC P-Series 1974, 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
    • (0 reviews)
      # 652366787
      GMC P-Series 1974, 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 - $23.79
    • (0 reviews)
      # 652689785
      GMC P-Series 1974, 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.
      $21.77
    • (0 reviews)
      # 346380149
      GMC P-Series 1974, Soft Conforming Aluminum Header Gasket Set by ProForm®. Material: Soft Conforming Aluminum. 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...
      Designed to upgrade your ride's performanceProduced by highly specialized machines to last
      $25.40 - $33.36
    • (0 reviews)
      # 344900780
      GMC P-Series 1974, 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 utmost care and meticulous...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $10.93 - $15.72
    • (0 reviews)
      # 344900737
      GMC P-Series 1974, 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 - $39.50
    • (0 reviews)
      # 344900721
      GMC P-Series 1974, 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 nuts. The Stainless material...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $20.38 - $103.07
    • (0 reviews)
      # mpn358950626
      GMC P-Series 5.7L with Chevy Small Block Engine 1974, Header Bolts by Milodon®. 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...
      Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology
      $8.95
    • (0 reviews)
      # 652522795
      GMC P-Series 1974, 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
      $13.77 - $101.07
    • (0 reviews)
      # 314966317
      GMC P-Series 1974, 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
      $15.00 - $102.24
    • (0 reviews)
      # mpn358726796
      GMC P-Series 5.7L with Small Block Chevy Engine 1974, Small Head Exhaust Header Bolts by Trans-Dapt®. This Trans-Dapt 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...
      $5.04
    • (0 reviews)
      # 344900855
      GMC P-Series 1974, Standard Head Exhaust Header Bolts by Trans-Dapt®. This Trans-Dapt 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 highest...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $6.79 - $7.67
    • (0 reviews)
      # 231115190
      GMC P-Series 1974, Cast Iron Natural Exhaust Manifold by Dorman®. Emissions: CARB compliant. Finish: Natural. Since this part is a direct replacement, the exact fit adds another layer of efficiency and convenience.
      $85.95 - $111.95




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    1974 GMC P-Series Performance Headers Reviews

    Average rating:  4  4 - 1 review
    4 of 5
    Dynatech® - Polished Street Rod Small Block Block Hugger Exhaust Header
    I Have a 1967 El Camino, I was not able to use these on mine for some reason the collector would hit my cross member on both sides. I have a Chevy 350 motor. I wish they would fit, they look great.
    DPosted by Don (Corona, CA) / December 28, 2016
    1967 Chevy El Camino
    Was this review helpful for you? Yes

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