1974 Pontiac LeMans Exhaust Headers & Manifolds
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- ATP®Cast Iron Natural Exhaust ManifoldPontiac LeMans 4.1L 1974, Natural Cast Iron Exhaust Manifold by ATP®. Color: Natural. Header Coating: Uncoated. ATP Graywerks Exhaust Manifolds are a high quality OE replacement alternative. Each manifold is developed off of the...Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage$276.48
- Davico®Exhaust Manifold with Integrated Catalytic ConverterPontiac LeMans 1974, Exhaust Manifold with Integrated Catalytic Converter by Davico®. This product by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock cat fails to perform its job,...Helps your vehicle emit harmless gasesDirect OEM replacement$308.75 - $470.33
- ARP®Header Bolt KitPontiac LeMans A / B / R Engine VIN Character 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...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$21.63 - $119.06
- Patriot Exhaust®Steel Long Tube Exhaust HeadersPontiac LeMans 1974, Steel Long Tube Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Style: Long Tube. Full length and fenderwell headers provide the ultimate performance for...Full length headers are typically used for higher RPM horsepower, but can also increase the mid range torque in applications where there is room to fit a long tube designDurable 18-gauge tubing$352.64 - $564.02
- Stage 8®Header Locking Bolt KitPontiac LeMans 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...Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system$68.22 - $75.82
- Fel-Pro®Exhaust Manifold Gasket SetPontiac LeMans 1974, Exhaust Manifold Gasket Set by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets...Ensures reliable sealing performanceMade using advanced technologies and molded rubber chemistry$14.80 - $68.56
- BBK®Premium Header Gasket SetPontiac LeMans 1974, 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$44.99
- Mahle®Exhaust Manifold Gasket SetPontiac LeMans 1974, Exhaust Manifold Gasket Set by Mahle®. 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 needs...High quality at an affordable priceExpertly made from premium materials$13.34 - $23.24
- Remflex®Exhaust Header GasketsPontiac LeMans 1974, Exhaust Header Gaskets by Remflex®. Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications. Whether you have an old pick-up that needs a manifold gasket or a...Designed to crush 50%This allows them to fill gaps in the flange surface up to 1/16"$38.39 - $39.43
- Patriot Exhaust®Percy's Seal-4-Good™ Exhaust Header GasketsPontiac LeMans 1974, Percy's Seal-4-Good™ Exhaust Header Gaskets 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...Special "dead soft" aluminum conforms to flange to make an excellent sealSolid metal gasket will not blow out$44.95
- Patriot Exhaust®Percy's Seal-4-Good™ Aluminum Header Flange GasketsPontiac LeMans 5.7L / 6.6L 1974, Percy's Seal-4-Good™ Aluminum Header Flange Gaskets by Patriot Exhaust®. Hanger made from Steel. Great for bringing back the custom car look some popular in the 50's and 60's.Will cover your exhaust needs and even moreBuilt to last$44.95
- SCE Gaskets®Embossed Copper Exhaust Header GasketsPontiac LeMans 1974, Embossed Copper Exhaust Header Gaskets by SCE Gaskets®. SCE Gaskets invented embossed copper exhaust gaskets and they are the most effective way to insure leak-free, re-usable performance on aftermarket headers or...Design for high performance street and mild competition applicationsMade from road-tough materials to survive the test of time$42.37
- Dorman®Brass Exhaust Manifold NutsBrass Exhaust Manifold Nuts by Dorman®. Dorman's Exhaust Nuts are now available separately for exhaust manifold repairs. These direct replacement nuts are ideal for securing exhaust components and used in conjunction with a mating bolt...Direct replacement for a proper fit every timeHigh-quality materials provides years of trouble-free service$4.76
- Nickson®Exhaust Manifold InsulatorExhaust Manifold Insulator by Nickson®. Nickson was the first to introduce exhaust products to the aftermarket. This represented a substantial upgrade in the quality of products especially since they took both the Ford and GM OE designs...Expertly crafted from premium materialsQuality design and workmanship$6.02
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