1980 Pontiac LeMans Performance Headers

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    • Dorman® - Cast Iron Natural Exhaust Manifold
      (0 reviews)
      # 231133496
      Pontiac Grand LeMans / LeMans 5.0L 1980, 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...
      High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $79.95 - $140.95
    • Hedman Hedders® - Standard Duty Mild Steel Black MAXX Satin Black Ceramic-Metallic Long Tube Exhaust Headers
      (0 reviews)
      # mpn4036603492
      Pontiac LeMans 3.8L 1980, Standard Duty Mild Steel Long Tube Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2". Color: Black. Header Coating: Ceramic Coating. Header Style: Long Tube. The...
      Made of High Quality MaterialsExtremely durable, protective SATIN BLACK ceramic-metallic coating
      $522.49
    • Hedman Hedders® - Standard Duty Mild Steel Long Tube Exhaust Headers
      (0 reviews)
      # 97236395
      Pontiac LeMans 3.8L with Air Conditioning without Smog Injection or Injection Heads with Power Steering with Chevy Engine with Automatic Transmission Column Shifter / with Automatic Transmission Floor Shifter 1980, Standard Duty Mild...
      Made of High Quality MaterialsBuilt to Last
      $272.70 - $529.67
    • Advance Adapters® - Exhaust Headers
      (0 reviews)
      # mpn4564004617
      Pontiac Grand LeMans / LeMans 4.4L / 5.0L 1980, 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....
      High quality at an affordable priceExpertly made from premium materials
      $241.46
    • Dynatech® - Black Painted Dirt Late Model Exhaust Headers
      (0 reviews)
      # 231133535
      Pontiac Grand LeMans / LeMans 5.0L with Angle or Straight Plug Heads with Chevy Small Block Engine 1980, Dirt Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.75"-1.875". Collector Outlet Diameter: 3.5". Color: Black....
      Gaskets and bolts includedMachine surfaced flanges - no leaks
      $319.99
    • Dynatech® - Black Painted Long Tube Pavement Late Model Exhaust Headers
      (0 reviews)
      # 231133582
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, 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:...
      35” Equal Length primaries for maximum Torque and HorsepowerValve covers are removable with headers installed
      $399.99
    • Dynatech® - Mild Steel 604 Crate Engine Dirt Late Model Exhaust Header Kit
      (0 reviews)
      # 231133400
      Pontiac Grand LeMans / LeMans with Chevy Small Block Engine 1980, 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...
      Delivers a huge boost in performance and an awesome soundRigorously dyno-tested to provide maximum horsepower and torque gains
      $379.99 - $423.99
    • Dynatech® - Pro Cruiser Polished Street Rod Small Block Block Hugger Exhaust Headers
      (1 review)
      # mpn4564003252
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, Pro Cruiser Polished Street Rod Small Block Block Hugger Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.63". Collector Outlet Diameter: 2.5". Comes...
      Improves Performance and Appearance100% stainless steel construction
      $299.99
    • Dynatech® - Stainless Steel 604 Crate Engine Dirt Late Model Exhaust Headers
      (0 reviews)
      # 231133428
      Pontiac Grand LeMans / LeMans with Chevy Small Block Engine 1980, 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...
      Engineered for 604 Crate enginesGaskets and bolts included
      $924.99 - $1,062.49
    • Dynatech® - Stainless Steel Natural Weld-up Dragster Exhaust Header Kit
      (0 reviews)
      # mpn4564003336
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, 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...
      Tack-welded to make it easy to change or finish weldCNC laser-cut flanges, gaskets and bolts included
      $399.99
    • Flowtech® - 409 SS Natural Upright Exhaust Headers
      (0 reviews)
      # 496262335
      Pontiac Grand LeMans / LeMans 4.4L / 5.0L 1980, 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....
      Consistent tubing diameters for smooth flowIncreases the cylinder scavenging effect and improves engine breathing
      $232.95 - $253.95
    • Flowtech® - Mild Steel Long Tube Exhaust Headers
      (0 reviews)
      # 64829282
      Pontiac Grand LeMans / LeMans 1980, Mild Steel Long Tube Exhaust Headers by Flowtech®. Header Style: Long Tube. Include all mounting hardware. What happens when you're doing a custom installation, or if you want to do a show-quality job...
      Mandrel-formed Power Plenum collectors for low backpressureLong transition collectors with merge spears for maximum flow and increased exhaust velocity
      $159.95 - $343.95
    • Hooker® - Super Competition™ Long Tube Exhaust Headers
      (0 reviews)
      # 64188384
      Pontiac Grand LeMans / LeMans 5.0L 1980, Super Competition™ Long Tube Exhaust Headers by Hooker®. Collector Outlet Diameter: 3". Collector Length: 10". Header Style: Long Tube. All necessary hardware included for a complete...
      Tuned-length primary tubes for maximum exhaust scavenging and velocityMandrel-bent tubing for smooth exhaust flow
      +1
      $521.95 - $903.95
    • Patriot Exhaust® - Chrome Street Rod Sprint Exhaust Headers
      (0 reviews)
      # mpn4564003297
      Pontiac Grand LeMans / LeMans 4.4L / 5.0L 1980, Street Rod Sprint Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Color: Chrome. Header Coating: Chrome. This superior Patriot...
      Expertly crafted from premium materialsQuality design and workmanship
      $419.91
    • Patriot Exhaust® - Lakester Steel Weld-Up Exhaust Kit
      (0 reviews)
      # 91569168
      Pontiac Grand LeMans / LeMans 5.0L with Small Block Chevy Engine 1980, Lakester Steel Weld-Up Exhaust Kit by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Material: Steel. Give your rod a nostalgic look with our Lakester style...
      Perfect blend of style, quality, and dependabilityGive your rod a nostalgic look
      $210.00 - $217.40
    • Patriot Exhaust® - Roadster Exhaust Headers
      (0 reviews)
      # 378661916
      Pontiac Grand LeMans / LeMans 4.4L / 5.0L 1980, 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...
      Expertly crafted from premium materialsQuality design and workmanship
      +1
      $249.24 - $554.61
    • Patriot Exhaust® - Steel Tight Tuck Street Rod Exhaust Headers
      (0 reviews)
      # 231133803
      Pontiac Grand LeMans / LeMans 5.0L with Small Block Chevy Engine 1980, 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...
      Expertly crafted from premium materialsQuality design and workmanship
      $183.10 - $566.93
    • Schoenfeld Headers® - Conventional Crossover Exhaust Headers
      (0 reviews)
      # 231290666
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, Conventional Crossover Exhaust Headers by Schoenfeld Headers®. 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
      $270.72 - $686.52
    • Schoenfeld Headers® - DIRT Modified Exhaust Headers
      (0 reviews)
      # 87348669
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, 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....
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $268.79 - $306.52
    • Schoenfeld Headers® - Demolition Derby Exhaust Headers
      (0 reviews)
      # mpn4564003611
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $148.46
    • Schoenfeld Headers® - Dirt Late Model Exhaust Headers
      (0 reviews)
      # 231290731
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, 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....
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $291.09 - $707.57
    • Schoenfeld Headers® - Exhaust Header
      (0 reviews)
      # 513233496
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $198.41 - $293.96
    • Schoenfeld Headers® - SBC Chassis Steel Exhaust Headers
      (0 reviews)
      # 231290899
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $182.89 - $218.25
    • Schoenfeld Headers® - Steel Painted 180 Crossover Exhaust Headers
      (0 reviews)
      # mpn4564002952
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, Steel Painted 180 Crossover Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Coating: Painted. This...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $296.15
    • Schoenfeld Headers® - Steel Painted Sprint Car Exhaust Headers
      (0 reviews)
      # 231291069
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $250.87 - $702.19
    • Schoenfeld Headers® - Stock Clip Steel Painted Exhaust Headers
      (0 reviews)
      # 231290999
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $210.77 - $301.56
    • Schoenfeld Headers® - Tri-Y Modified Exhaust Headers
      (0 reviews)
      # 87348765
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, 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....
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $663.01 - $689.43
    • Schoenfeld Headers® - Zoomie Exhaust Headers
      (0 reviews)
      # mpn4564003631
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $137.04
    • Walker® - Stainless Steel Bare 2-Bolt Exhaust Flange
      (0 reviews)
      # 35484574
      Pontiac LeMans 1980, Stainless Steel 2-Bolt Exhaust Flange by Walker®. Material: Stainless Steel. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do...
      Makes installation quick and easyOptimal OE-style fit and quality
      $5.96
    • Dynatech® - MuscleMAXX Stainless Steel Natural Header Reducer Cone Kit
      (0 reviews)
      # 231133624
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine / with LS-Based Engines 1980, MuscleMAXX Stainless Steel Header Reducer Cone Kit by Dynatech®. Material: Stainless Steel. Dynatech® reducer cone kits for MuscleMaxx...
      Made of High Quality MaterialsBuilt to Last
      $139.99
    • Moroso® - Aluminum Header Flange Kit
      (0 reviews)
      # mpn358582413
      Pontiac Grand LeMans / LeMans 4.4L / 5.0L 1980, 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...
      High quality at an affordable priceExpertly made from premium materials
      $120.28
    • Schoenfeld Headers® - Aluminum Inner Header Flange
      (0 reviews)
      # mpn359115880
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, Aluminum Inner Header Flange by Schoenfeld Headers®. Primary Tubing Diameter: 1.25". Material: Aluminum. This top-notch product by Schoenfeld Headers is made to give...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $61.79
    • Apex Auto® - Exhaust Manifold Gasket Set
      (0 reviews)
      # 1092452833
      Pontiac Grand LeMans / LeMans 1980, 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...
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $3.27 - $3.45
    • DNJ Engine Components® - Exhaust Manifold Gasket Set
      (0 reviews)
      # mpn1151262244
      Pontiac Grand LeMans / LeMans 5.0L 1980, 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...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $4.24
    • Fel-Pro® - Exhaust Manifold Gasket Set
      (0 reviews)
      # 231290836
      Pontiac Grand LeMans / LeMans 1980, 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...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $6.13 - $27.84
    • BBK® - Premium Header Gasket Set
      (0 reviews)
      # 99897441
      Pontiac LeMans 5.0L 1980, 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 aren't perfectly flat. They can...
      Provides a long lasting, leak-proof sealFlexible graphite will conform to surface irregularities and won't stick to headers or cylinder head
      $29.99 - $39.99
    • Big End Performance® - Exhaust Header Copper Gasket
      (0 reviews)
      # 231290655
      Pontiac Grand LeMans / LeMans 5.0L with Small Block Chevy Engine 1980, Exhaust Header Copper Gasket by Big End Performance®.
      Designed to boost your vehicle's performanceMade from high-quality materials
      $35.05 - $35.78
    • Brodix® - Spread Port Exhaust Header Gasket
      (0 reviews)
      # mpn584600114
      Pontiac Grand LeMans / LeMans 5.0L with Small Block Chevy Engine 1980, 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...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $16.04
    • Dynatech® - Aluminum Adapter Plate
      (0 reviews)
      # mpn358945752
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, 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
    • Dynatech® - Fiber Exhaust Header Gasket
      (0 reviews)
      # mpn358945745
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, Fiber Exhaust Header Gasket by Dynatech®. Material: Fiber. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike....
      Made of High Quality MaterialsNo Leaks
      $15.99
    • Dynatech® - Spread Port Exhaust Header Gasket Kit
      (0 reviews)
      # mpn358945740
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, Spread Port Exhaust Header Gasket Kit by Dynatech®. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically...
      Made of High Quality MaterialsBuilt to Last
      $15.99
    • Dynatech® - Standard Port Exhaust Header Gasket Kit
      (0 reviews)
      # mpn358945741
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, Standard Port Exhaust Header Gasket Kit by Dynatech®. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically...
      Made of High Quality MaterialsSold in Pairs
      $15.99
    • Hooker® - Super Competition™ Exhaust Header Gasket
      (0 reviews)
      # mpn4564003265
      Pontiac Grand LeMans / LeMans 5.0L 1980, 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
    • Howe Racing Enterprises® - Header Gasket
      (0 reviews)
      # mpn358587986
      Pontiac Grand LeMans / LeMans 5.0L 1980, 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....
      High quality at an affordable priceExpertly made from premium materials
      $12.14
    • Patriot Exhaust® - Header Flange Kit
      (0 reviews)
      # 231133770
      Pontiac Grand LeMans / LeMans 5.0L with Small Block Chevy Engine 1980, Header Flange Kit by Patriot Exhaust®. Patriot precision machined header flange kits are available for many popular engine families. Header flange kits come complete...
      Precision machined flangeBuilt of High quality materials
      $42.93 - $57.08
    • Percy's High Performance® - Graph-Flex Header Flange Gaskets
      (0 reviews)
      # 652424834
      Pontiac Grand LeMans / LeMans 5.0L 1980, Graph-Flex Header Flange Gaskets by Percy's High Performance®. Exhaust wraps help to retain heat in your exhaust system, which increases Horsepower while reducing radiant heat damage, especially...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $24.68
    • Percy's High Performance® - Graph-Flex™ Exhaust Header Gaskets
      (0 reviews)
      # 652701877
      Pontiac Grand LeMans / LeMans 5.0L 1980, Graph-Flex™ Exhaust Header Gaskets by Percy's High Performance®. These durable header flange gaskets are composed of a graphite composition material on a malleable stainless steel core....
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $22.18 - $24.68
    • Percy's High Performance® - HTR Collector Gaskets
      (0 reviews)
      # 652286865
      Pontiac Grand LeMans / LeMans 5.0L 1980, 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
      $17.36 - $19.32
    • Percy's High Performance® - Seal-4-Good™ Aluminum Header Flange Gaskets
      (0 reviews)
      # 652298810
      Pontiac Grand LeMans / LeMans 5.0L 1980, Seal-4-Good™ Aluminum Header Flange Gaskets by Percy's High Performance®. Material: Aluminum. Exhaust wraps help to retain heat in your exhaust system, which increases Horsepower while...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $36.14
    • Percy's High Performance® - Seal-4-Good™ Exhaust Header Gaskets
      (0 reviews)
      # 378661877
      Pontiac Grand LeMans / LeMans 5.0L 1980, Seal-4-Good™ Exhaust Header Gaskets by Percy's High Performance®. Don’t put up with that ominous, unmistakable “tick, tick, tick” sound of an exhaust manifold leak. If it isn’t leaking...
      Multi-layered for excellent conformability and sealSeals even imperfect flanges
      $34.22 - $36.14
    • Percy's High Performance® - Seal-4-Good™ Round Header Flange Gaskets
      (0 reviews)
      # mpn4483467622
      Pontiac Grand LeMans / LeMans 5.0L 1980, 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $36.14
    • Percy's High Performance® - XX Carbon™ Exhaust Header Gaskets
      (0 reviews)
      # 378661888
      Pontiac Grand LeMans / LeMans 5.0L 1980, 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $19.72 - $22.41
    • Percy's High Performance® - XX Carbon™ Header Flange Gaskets
      (0 reviews)
      # 652554872
      Pontiac Grand LeMans / LeMans 5.0L 1980, XX Carbon™ Header Flange Gaskets by Percy's High Performance®. Exhaust wraps help to retain heat in your exhaust system, which increases Horsepower while reducing radiant heat damage,...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $22.41
    • ProForm® - Soft Conforming Aluminum Header Gasket Set
      (0 reviews)
      # mpn358493021
      Pontiac Grand LeMans / LeMans 5.0L 1980, 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...
      Designed to upgrade your ride's performanceProduced by highly specialized machines to last
      $26.62
    • Remflex® - Exhaust Header Gaskets
      (0 reviews)
      # 841794828
      Pontiac Grand LeMans / LeMans 5.0L 1980, Exhaust Header Gaskets by Remflex®. Stahl 7-Bolt Pattern. Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications. Whether you have an old...
      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
      $30.06 - $31.09
    • Schoenfeld Headers® - Exhaust Header Gasket
      (0 reviews)
      # 87348708
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $12.08 - $17.00
    • Spectre Performance® - Compressed Ceramic Fiber Exhaust Header Gaskets
      (0 reviews)
      # 118585349
      Pontiac Grand LeMans / LeMans 5.0L 1980, 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...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      $19.81
    • Dorman® - Metal Exhaust Manifold Bolt and Spring Kit
      (0 reviews)
      # 231133361
      Pontiac Grand LeMans / LeMans 1980, Metal Exhaust Manifold Bolt and Spring Kit by Dorman®. Position: Front. Material: Metal. Exhaust manifold fastener kits provide a time-saving solution for repairing the manifold. Each kit is designed...
      New hardware helps fix exhaust leaksKits include hardware to securely attach the manifold to the exhaust system
      $3.78 - $4.15
    • ARP® - Header Bolt Kit
      (0 reviews)
      # 95751083
      Pontiac Grand LeMans / LeMans 5.0L with Small Block Engine 1980, 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...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $20.79 - $105.13
    • Milodon® - Header Bolts
      (0 reviews)
      # mpn358950626
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1980, 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...
      Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology
      $8.74




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