1973 Chevrolet Chevelle Exhaust Manifold and Headers

ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless steel kit with 12-point nuts. The stainless material is not affected by corrosion or extreme heat, making it ideal for the application. What’s more, the compact 12-point nut lets you easily slip a socket close to the pipe. Each ARP accessory stud or bolt kit includes the specific number of parts for your appliaction, plus premium-quality washers and hex or 12-point nuts, as required. Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading. Studs and bolts come either Black Oxide chrome moly or Stainless. Both are nominally rated at 180,000 psi tensile strength; substantially stronger than Grade 8 hardware. Specially drilled NASCAR models are available for those who wish to safety wire their bolts to prevent loosening.

Product Features:

• 3/8″-16 Thread Size(s)
• Steel
• Black Oxide
• Small Block Chevy
• 12-Point Head
• Set of 12
• 1.670″ Overall 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
• 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 12
• 0.75″ Overall 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
• 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 12
• 0.75″ Overall Length

Vibe-Lock Bolt

Headlock&trade: Bolts eliminate the need for lock washers, Period. That’s because each Headlock&trade: 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:

• 12 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

Vibe-Lock Bolt

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
• 0.75″ Underhead Length
• Set of 12

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

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

Headlock&trade: Bolts eliminate the need for lock washers, Period. That’s because each Headlock&trade: 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

Vibe Lock Header Bolt Kit

LS1 full length engine swap header fits 66-72 Chevelle, El Camino, Monte Carlo and Sprint applications. Hooker has a complete line of engine swap headers, front frame mounts and transmission mounts for popular engine swaps. Available for Chevy, Chrysler and Ford small block and big block engines. Hooker swap headers and mounts are designed to provide an exact fit when used together. Hooker swap headers add the extra horsepower and torque the serious enthusiast demands. Hooker Headers are the best single improvement you can make.

Product Features:

• High Performance
• Affordable
• Durable 16 Gauge Material
• Welds Easier
• Lasts Longer
• Heat Cured
• High Heat Resistant

Clippster style headers are perfect for grafting modern uni-body front clipsuspensions to street rods, muscle cars and trucks. Clippster headers uselonger primaries than Tight Tucks, yet shorter than full length headers.Collectors exit toward the rearMid length or “clippster” headers provide improved ground clearance for popular muscle cars and street rods.

Hooker has a complete line of engine swap headers, front frame mounts and transmission mounts for popular engine swaps. Available for Chevy, Chrysler and Ford small block and big block engines. Hooker swap headers and mounts are designed to provide an exact fit when used together. Hooker swap headers add the extra horsepower and torque the serious enthusiast demands. Hooker Headers are the best single improvement you can make.

Product Features:

• Long Tube Lengths
• Long Transition Collectors
• Monstrous Low-Mid Range Torque
• Keep Top End Horsepower
• Provides Finest Fit
• Most Durable Design Available

Hooker has a complete line of engine swap headers, front frame mounts and transmission mounts for popular engine swaps. Available for Chevy, Chrysler and Ford small block and big block engines. Hooker swap headers and mounts are designed to provide an exact fit when used together. Hooker swap headers add the extra horsepower and torque the serious enthusiast demands. Hooker Headers are the best single improvement you can make.

Product Features:

• Long Tube Lengths
• Long Transition Collectors
• Monstrous Low-Mid Range Torque
• Keep Top End Horsepower
• Provides Finest Fit
• Most Durable Design Available

Clippster style headers are perfect for grafting modern uni-body front clipsuspensions to street rods, muscle cars and trucks. Clippster headers uselonger primaries than Tight Tucks, yet shorter than full length headers.Collectors exit toward the rearMid length or “clippster” headers provide improved ground clearance for popular muscle cars and street rods.

Product Features:

• Fuel Economy From The Engine
• Leak Test For Max Performance
• Mandrel-Formed Power Plenum
• Leakproof O-Ringed Port Seals
• Include All Mounting Hardware

Clippster style headers are perfect for grafting modern uni-body front clipsuspensions to street rods, muscle cars and trucks. Clippster headers uselonger primaries than Tight Tucks, yet shorter than full length headers.Collectors exit toward the rear

Product Features:

• Patriot Exhaust H8013-1 1 7/8″ Clippster Header Chevrolet Camaro Big Block Chevrolet 67-81 Coated
• Mid length or “clippster” headers provide improved ground clearance for popular muscle cars and street rods.

Product Features:

• Fuel Economy From The Engine
• Leak Test For Max Performance
• Ceramic Headers
• Rust And Corrosion Resistance
• Mandrel-Formed Power Plenum
• Leakproof O-Ringed Port Seals
• Include All Mounting Hardware

Don’t give up looking for headers for your vehicle. Patriot offers headersfor many applications at prices you can afford. Built with surfacemachined thick steel flanges for a great seal andmandrel bent mild steel tubing. Patriot headers areavailable r

Product Features:

• Patriot Exhaust H8026 2″ Header Chevrolet Chevelle Big Block Chevrolet 68-74 Raw
• Patriot offers headers for many applications at prices you can afford.

Product Features:

• Fuel Economy From The Engine
• Leak Test For Max Performance
• Mandrel-Formed Power Plenum
• Leakproof O-Ringed Port Seals
• Include All Mounting Hardware

Clippster style headers are perfect for grafting modern uni-body front clipsuspensions to street rods, muscle cars and trucks. Clippster headers uselonger primaries than Tight Tucks, yet shorter than full length headers.Collectors exit toward the rear

Product Features:

• Patriot Exhaust H8056-1 1 5/8″ 4-Tube Clippster Header Chevrolet 67-81 Camaro 64-77 Chevelle/Malibu 64-77 El Camino 70-77 Monte Carlo 71-94 Passenger Car/Wagon 265-400 Chevrolet Engine Metallic Ceramic Finish
• Mid length or “clippster” headers provide improved ground clearance for popular muscle cars and street rods.

Hooker has a complete line of engine swap headers, front frame mounts and transmission mounts for popular engine swaps. Available for Chevy, Chrysler and Ford small block and big block engines. Hooker swap headers and mounts are designed to provide an exact fit when used together. Hooker swap headers add the extra horsepower and torque the serious enthusiast demands. Hooker Headers are the best single improvement you can make.

Product Features:

• Long Tube Lengths
• Long Transition Collectors
• Monstrous Low-Mid Range Torque
• Keep Top End Horsepower
• Provides Finest Fit
• Most Durable Design Available

Product Features:

• Fuel Economy From The Engine
• Leak Test For Max Performance
• Mandrel-Formed Power Plenum
• Leakproof O-Ringed Port Seals
• Include All Mounting Hardware

Clippster style headers are perfect for grafting modern uni-body front clipsuspensions to street rods, muscle cars and trucks. Clippster headers uselonger primaries than Tight Tucks, yet shorter than full length headers.Collectors exit toward the rear

Product Features:

• Patriot Exhaust H8012 1 3/4″ Clippster Header Chevrolet Camaro Big Block Chevrolet 67-81 Raw
• Mid length or “clippster” headers provide improved ground clearance for popular muscle cars and street rods.

Flowmaster’s Scavenger Series Elite long tube headers are designed to replace the restrictive factory cast iron manifolds. These high quality headers are manufactured from stainless steel and are ceramic coated for maximum durability. They feature 1-5/8 in. primary tubes, 3/8 in. thick flanges and incorporate Flowmaster’s popular 3 in. ball flange collector connections ensuring a leak free installation. Scavenger Series Elite long tube headers deliver maximum performance and are suited to the enthusiast who wants the best. Like all Flowmaster products the benefits include improved throttle response, power and engine efficiency. Designed for an easy fit these headers include gaskets and necessary hardware for easy installation. Fits D port cylinder heads including ZZ4 crate engines. Does not fit 1967 to 1969 Camaro’s with air conditioning. Will fit most angle plug heads including factory Chevrolet bow tie heads. Requires removal or modification of locking steering columns if equipped. Installation requires new left side air conditioning bracket. For 1979 and later vehicles with short compressors the stock bracket can be used. This product is legal only for off highway use except in California or states that have adopted California emission standards, racing use or for use on pre emission controlled motor vehicles and motor vehicle engines and pre 1966 domestic vehicles certified to California standards, pre 1968 domestic vehicles certified to federal standards and all pre 1968 foreign vehicles, per the application guide.

Product Features:

• Stainless steel construction
• Ball & socket collector connections
• Dyno tuned for maximum performance
• High temperature ceramic coated
• 0.375 thick laser cut flanges