GMC C3500 Exhaust Manifold and Headers

Exhaust manifold fastener kits provide a time-saving solution for repairing the manifold. Each kit is designed for direct replacement of rusted or damaged exhaust bolts and springs.

Product Features:

• Ideal replacement – the manifold bolt and spring match the fit and function of the original equipment hardware, including bolt diameter, thread pitch and head type
• Complete installation – this kit includes hardware required for securely attaching the manifold to the exhaust system
• Trustworthy construction – the kit’s bolt and spring are made of hardened steel for durable, long-lasting service life
• Quality tested – kit components have undergone extensive testing to ensure proper function and long service life

Vibe Lock Header Bolt Kit

This exhaust manifold bolt and spring kit provides a time-saving solution. Designed for direct replacement of rusted or damaged exhaust bolts and springs, it prevents exhaust leaks while allowing movement between the exhaust pipe and muffler.

Product Features:

• Ideal replacement – the manifold bolt and spring match the fit and function of the original equipment hardware, including bolt diameter, thread pitch and head type
• Complete installation – this kit includes hardware required for securely attaching the manifold to the exhaust system
• Trustworthy construction – the kit’s bolt and spring are made of hardened steel for durable, long-lasting service life
• Quality tested – kit components have undergone extensive testing to ensure proper function and long service life

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 300 material is not affected by corrosion or extreme heat, making it ideal for the application.

Product Features:

• Material Is Not Affected By Corrosion Or Extreme Heat
• The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe
• Substantially Stronger Than Grade 8 Hardware
• Nominally Rated At 170,000 PSI Tensile Strength
• Set of 12
• 3/8” Wide Header Flange
• 1.181? Underhead Length

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

• Designed and manufactured to meet the needs of the exhaust system repair environment.
• Verified, tested and certified proprietary Organic coating resists corrosion.
• Tightly controlled coefficient of friction ensures reliable installation.
• Application specific kit contents
• Self-locking nuts (where applicable).

Our Exhaust Manifold Hardware Kit comes with the necessary installation components to assist you in replacing your manifold. Save time and energy by having the right hardware on hand when you need it.

Product Features:

• Direct replacement – this exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles
• Ideal solution – this kit is a reliable replacement for the original hardware that is missing or damaged, or has failed
• Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
• Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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 300 material is not affected by corrosion or extreme heat, making it ideal for the application.

Product Features:

• Material Is Not Affected By Corrosion Or Extreme Heat
• The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe
• Substantially Stronger Than Grade 8 Hardware
• Nominally Rated At 170,000 Psi Tensile Strength
• 3/8″-16 Thread Size
• 1″ Underhead Length

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 300 material is not affected by corrosion or extreme heat, making it ideal for the application.

Product Features:

• Material Is Not Affected By Corrosion Or Extreme Heat
• The Compact 12 Point Nut Lets You Easily Slip A Socket Close To The Pipe
• Substantially Stronger Than Grade 8 Hardware
• Nominally Rated At 170,000 PSI Tensile Strength
• Set of 16
• 0.75″ Overall Length

Vibe-Lock Bolt

Headlock Bolts eliminate the need for lock washers, Period. That’s because each Headlock Bolt features 24 equally-spaced, stainless steel teeth serrations that bite into and hold onto the attaching surface-eliminating the need for lock-washers.

Product Features:

• 16 per Package
• Includes a ball-head/hex-key socket-installation tool that makes it easy to get them started
• 410 stainless steel
• Minimum 180,000 PSI tensile strength
• 24 equally spaced clockwise teeth

Exhaust manifold fastener kits provide a time-saving solution for repairing the manifold. Each kit is designed for direct replacement of rusted or damaged exhaust bolts and springs.

Product Features:

• Ideal replacement – the manifold bolt and spring match the fit and function of the original equipment hardware, including bolt diameter, thread pitch and head type
• Complete installation – this kit includes hardware required for securely attaching the manifold to the exhaust system
• Trustworthy construction – the kit’s bolt and spring are made of hardened steel for durable, long-lasting service life
• Quality tested – kit components have undergone extensive testing to ensure proper function and long service life

Vibe-Lock Bolt

Certain original equipment exhaust manifolds warp and crack due to lower-grade iron construction. This Dorman OE FIX replacement is made of high-grade ductile iron that better handles heat and stress for greater durability.

Product Features:

• Upgraded materials – this replacement exhaust manifold is constructed of ductile iron to prevent future warping and cracking
• Complete kit – includes new manifold, manifold gasket, 2 flange gaskets, 3 studs, 3 nuts and 3 springs
• Direct fit – reverse engineered from original equipment for seamless installation
• Quality engineering – designed and tested in the United States

This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair.

Product Features:

• Ideal replacement – this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles
• Reliable construction – durable materials resist warping, cracking and leaking for long-lasting performance
• Complete repair – includes all necessary gaskets and downpipe hardware
• Trustworthy design – built by industry leader in aftermarket manifolds

JBA shorty headers are one of the best performance upgrades available for any application. Hot Rodmagazine rated headers as one of the top 10 power parts installed on a vehicle. JBA shorty headers aresignificantly less restrictive than the stock manifol

Product Features:

• JBA Performance Exhaust 1832S 1 1/2″ Header Shorty Stainless Steel 96-99 GM Truck 5.0L and 5.7L
• Mandrel bent stainless steel tube

This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair.

Product Features:

• Ideal replacement – this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles
• Reliable construction – durable materials resist warping, cracking and leaking for long-lasting performance
• Complete repair – includes all necessary gaskets and downpipe hardware
• Trustworthy design – built by industry leader in aftermarket manifolds

JBA shorty headers are one of the best performance upgrades available for any application. Hot Rodmagazine rated headers as one of the top 10 power parts installed on a vehicle. JBA shorty headers aresignificantly less restrictive than the stock manifol

Product Features:

• JBA Performance Exhaust 1822SJS 1 3/4″ Header Shorty Stainless Steel 96-00 GM Truck 7.4L Silver Ceramic
• Mandrel bent stainless steel tube

This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair.

Product Features:

• Ideal replacement – this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles
• Reliable construction – durable materials resist warping, cracking and leaking for long-lasting performance
• Complete repair – includes all necessary gaskets and downpipe hardware
• Trustworthy design – built by industry leader in aftermarket manifolds

JBA shorty headers are one of the best performance upgrades available for any application. Hot Rodmagazine rated headers as one of the top 10 power parts installed on a vehicle. JBA shorty headers aresignificantly less restrictive than the stock manifol

Product Features:

• JBA Performance Exhaust 1822S 1 3/4″ Header Shorty Stainless Steel 96-00 GM Truck 7.4L
• Mandrel bent stainless steel tube

Flowtech Headers are the perfect combination of quality and value. These Big Block Chevy Upright headers available in 2-1/4″ tube diameters are ideal for even big cubic inch Big Block Chevy engines.

Product Features:

• CNC Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging effect and improves engine breathing
• Heavy duty 16-gauge 409SS tubing for increased strength and durability
• 2-1/4″ tubing diameter for increased exhaust flow increasing performance and improved throttle response
• Extended 4″ collector for maximum strength and exhaust flow
• Extra thick 7/16″ header flange for a leak-free seal and maximum strength
• Welded-in collector merge spears to control exhaust gas re-entry into primary tubes
• Center of exhaust port to end of collector length is 33-1/2″

This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair.

Product Features:

• Ideal replacement – this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles
• Reliable construction – durable materials resist warping, cracking and leaking for long-lasting performance
• Complete repair – includes all necessary gaskets and downpipe hardware
• Trustworthy design – built by industry leader in aftermarket manifolds

Hooker Competition headers offer the best value in the high performance header market. Designed for the value-conscious buyer, Hooker Competition headers offer premium features at a very competitive price. Made of durable 16 gauge mild steel tubing, the Hooker Competition header design utilizes a long transition collector to reduce back pressure and increase exhaust flow. A perfect sealing surface is assured with the 5/16″ machined flanges, with welded O-ring seals. Experience has proven that this flange size is ideal to maintain header integrity and be pliable enough to seal each exhaust port. Tubing is mandrel-bent to maintain metal strength and provide consistent tube diameter at radii to maximize performance. Hooker Competition headers have a standard finish that features a heat-cured, high-heat-resistant paint. Optionally, the famous Hooker Ceramic Thermal Barrier Coating is available.

Product Features:

• Tuned-length primary tubes for better performance
• Mandrel-bent tubing for smooth exhaust flow
• Light weight & sturdy 16 gauge tubing
• Long transition collector for decreased back pressure
• 5/16″ machined flanges for a perfect seal
• Industry’s best welds for durability
• Designed for easy, trouble-free fit
• All necessary hardware included for a complete installation
• Works with factory power steering, power brakes and air conditioning

Flowtech Headers are the perfect combination of quality and value. These Small Block Chevy Upright headers available in 1-5/8″ and 1-3/4″ tube diameters are ideal for even big cubic inch Small Block Chevy engines. They feature a merged collector coupled with a collector spear that is welded inside the collector. These components help to improve the flow and performance of the header.

Product Features:

• CNC Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging effect and improves engine breathing
• Heavy duty 16-gauge 409SS tubing for increased strength and durability
• 1-5/8″ and 1-3/4″ tubing diameters available for increased exhaust flow increasing performance and improved throttle response
• 3″ collector for maximum strength and exhaust flow
• Extra thick header flange for a leak-free seal and maximum strength
• Welded-in collector merge spears to control exhaust gas re-entry into primary tubes

Universal SUPER COMPETITION headers are great for custom car, truck, or hot rod where a specific fit tuned SUPER COMPETITION header is not available. They work great for those tight-fit installations where frame rails are close to the engine block. These headers can not be used with factory side engine mounts. The collector exits parallel with the oil pan rail, maximum ground clearance is allowed. These headers come complete with gaskets, header bolts and collector reducers. These headers come available in chrome, high heat resistant black paint or Hookers Metallic Ceramic Thermal Barrier Coating.

Product Features:

• All necessary hardware included for a complete installation
• Designed for optimal performance
• Industry’s best welds for durability
• Machined flanges for a perfect seal
• Easy installation – can be used with stock motor mounts
• Tight-tuck design for narrow frame rails
• Light weight & sturdy 18 gauge tubing
• Mandrel-bent tubing for smooth exhaust flow
• Tuned-length primary tubes for maximum exhaust scavenging and velocity

JBA shorty headers are one of the best performance upgrades available for any application. Hot Rodmagazine rated headers as one of the top 10 power parts installed on a vehicle. JBA shorty headers aresignificantly less restrictive than the stock manifol

Product Features:

• JBA Performance Exhaust 1823S 1 3/4″ Header Shorty Stainless Steel 96-00 GM Truck 7.4L
• Mandrel bent stainless steel tube