1974 Plymouth Duster Parts - Manifold Hardware

This header collector set takes the place of messy three-bolt, flange-type connections and allows for a leak-free and gasket-free ball-flange type connection. Made in USA Emission Note: 50- State Legal This part is legal...

Titanium exhaust wrap from DEI. Withstands 1800 of direct, and 2500 of intermittent heat. Extremely pliable for an easy install with no wetting necessary. Very durable with high resistance to abrasions, oil and chemicals, and...

These ARP premium exhaust header hardware kits feature compact 12-point nuts to let you easily slip a socket close to the pipe. Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading....

These ARP premium exhaust header hardware kits feature compact 12-point nuts to let you easily slip a socket close to the pipe. Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading....

These ARP premium exhaust header hardware kits feature compact 12-point nuts to let you easily slip a socket close to the pipe. Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading....

Mopar big block exhaust manifold sleeve studs for all 383, 400 and 440 engines. {specs}

Reproduction header collector gaskets for models equipped with a small block LA engine. Manufactured to factory specifications featuring the correct 3" inner diameter, and 3 pre-drilled mounting holes.

Reproduction Small Block exhaust manifold conical washer for Mopar models. Thick conical washer used under every bolt and nut that secures exhaust manifold to the heads. Sold individually 10-12 washers required per engine.

The original Exhaust Insulating Wrap™ was developed over 25 years ago by Thermo-Tec®. Wrapping headers maintains hotter exhaust gases that exit the system faster through decreased density. Increased exhaust...

Bolt set is mated to our new Victor Jr. cylinder heads designed for high output 650+ hp Chrysler 426-572 HEMI® engines. Features hex-head and stock replacement hardware.

3-bolt flange header reducers from Hedman Hedders. These reducers have two flat mating surfaces with a gasket for a leak-free joint. Necessary gaskets and hardware included.

Titanium exhaust wrap from DEI. Withstands 1800 of direct, and 2500 of intermittent heat. Extremely pliable for an easy install with no wetting necessary. Very durable with high resistance to abrasions, oil and chemicals, and...

This header collector set takes the place of messy three-bolt, flange-type connections and allows for a leak-free and gasket-free ball-flange type connection. Made in USA Emission Note: 50- State Legal This part is legal...

Many headers for late model engines are equipped with an oxygen sensor bung in each header. When retrofitting a carburetor on late model engines, an oxygen sensor is not necessary. This plug seals the oxygen sensor bung on...

3" ball and socket style header reducers from Hedman Hedders. 2-1/4" Exhaust System, Mild Steel. Necessary hardware included. {specs}

These ARP premium exhaust header hardware kits feature compact 12-point nuts to let you easily slip a socket close to the pipe. Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading....

Correct 3/8-24 UNF x 2.84" hex head sleeve nut for Mopar big block exhaust manifolds. Sold each. Fits: 1968-70 340 Hp exhaust manifold 1962-65 Street wedge exhaust manifold; for use on 361, 383, and 426 big block b-b...

Reproduction exhaust manifold sleeve nuts for Mopar models. Order as needed.

The new quick-wrap, high-velocity Exhaust Jackets™ are an innovative way to insulate and block radiant heat. The jackets cover the header tubes vertically allowing for a consistent fit. The fit allows the exhaust...

The Header Manifold Blanket™ provides excellent heat-retention for exhaust headers and manifolds. This flexible heat shield simply clips into place on the upper portion of the header. The fabric side of the material...

This new quick-wrap, high-velocity Exhaust Jacket™ is an innovative way to insulate and block radiant heat. The jacket covers the header tubes vertically allowing for a consistent fit. The fit allows the exhaust...

The original Exhaust Insulating Wrap™ was developed over 25 years ago by Thermo-Tec®. Wrapping headers maintains hotter exhaust gases that exit the system faster through decreased density. Increased exhaust...

PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...

PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...

The original Exhaust Insulating Wrap™ was developed over 25 years ago by Thermo-Tec®. Wrapping headers maintains hotter exhaust gases that exit the system faster through decreased density. Increased exhaust...

Insultherm Header Wrap is an extremely high temperature resistant wrap used to insulate hot gases in automotive exhausts. Vermiculite Coated, Heavy Weight Braided Fiberglass High Temperature Resistant Easy to Install ...

Insultherm Header Wrap is an extremely high temperature resistant wrap used to insulate hot gases in automotive exhausts. Vermiculite Coated, Heavy Weight Braided Fiberglass High Temperature Resistant Easy to Install ...

Insultherm Header Wrap is an extremely high temperature resistant wrap used to insulate hot gases in automotive exhausts. Vermiculite Coated, Heavy Weight Braided Fiberglass High Temperature Resistant Easy to Install ...

Insultherm Header Wrap is an extremely high temperature resistant wrap used to insulate hot gases in automotive exhausts. Vermiculite Coated, Heavy Weight Braided Fiberglass High Temperature Resistant Easy to Install ...

Insultherm Header Wrap is an extremely high temperature resistant wrap used to insulate hot gases in automotive exhausts. Vermiculite Coated, Heavy Weight Braided Fiberglass High Temperature Resistant Easy to Install ...

These flanges may be needed on custom exhaust builds to connect the exhaust manifold to the head pipe. Made from thick 3/8" steel material that is much less likely to warp than common 1/4" exhaust flanges. 2 required. No...

Insultherm Header Wrap is an extremely high temperature resistant wrap used to insulate hot gases in automotive exhausts. Vermiculite Coated, Heavy Weight Braided Fiberglass High Temperature Resistant Easy to Install ...

A tool developed specifically to tighten the stainless steel locking ties often used on exhaust applications. Fits on the end of any 1/4? drive extension and work on ties up to 1/2? wide.

This is a universal connector that can be used in various locations for the exhaust system. Measures 2-1/2" inner diameter, and includes mounting bolts. Each set is sold in pairs, enough to do a vehicle with dual exhaust.

PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...

PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...

PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...

Insultherm Header Wrap is an extremely high temperature resistant wrap used to insulate hot gases in automotive exhausts. Vermiculite Coated, Heavy Weight Braided Fiberglass High Temperature Resistant Easy to Install ...

Insultherm Header Wrap is an extremely high temperature resistant wrap used to insulate hot gases in automotive exhausts. Vermiculite Coated, Heavy Weight Braided Fiberglass High Temperature Resistant Easy to Install ...

This 3 piece flange gasket set fits between the heat tubes on Mopar models equipped with Hemi engine. Made of asbestos.

The original Exhaust Insulating Wrap™ was developed over 25 years ago by Thermo-Tec®. Wrapping headers maintains hotter exhaust gases that exit the system faster through decreased density. Increased exhaust...

Working in a tight space? This small head bolt set is designed to replace regular hex head bolts for easier access and fewer skinned knuckles. Sold as a set of 12

The original Exhaust Insulating Wrap™ was developed over 25 years ago by Thermo-Tec®. Wrapping headers maintains hotter exhaust gases that exit the system faster through decreased density. Increased exhaust...

Working in a tight space? This small head bolt set is designed to replace regular hex head bolts for easier access and fewer skinned knuckles. Sold as a set of 12

OER® Hi-Temp Exhaust Coat is a fast drying coating designed to withstand temperatures of up to 1200° F on a continuous basis. After curing, it forms a porcelain-like bond. Its special formula resists blistering,...

OER® Hi-Temp Exhaust Coat is a fast drying coating designed to withstand temperatures of up to 1200° F on a continuous basis. After curing, it forms a porcelain-like bond. Its special formula resists blistering,...

OER® Hi-Temp Exhaust Coat is a fast drying coating designed to withstand temperatures of up to 1200° F on a continuous basis. After curing, it forms a porcelain-like bond. Its special formula resists blistering,...

OER® Hi-Temp Exhaust Coat is a fast drying coating designed to withstand temperatures of up to 1200° F on a continuous basis. After curing, it forms a porcelain-like bond. Its special formula resists blistering,...

OER® Hi-Temp Exhaust Coat is a fast drying coating designed to withstand temperatures of up to 1200° F on a continuous basis. After curing, it forms a porcelain-like bond. Its special formula resists blistering,...

The Muffler/Catalytic Converter Heat Shield™ is made up of woven silica with a flexible mylar finish. The highly-reflective heat shield can be installed between the catalytic converter, muffler, or any other...

The original Exhaust Insulating Wrap™ was developed over 25 years ago by Thermo-Tec®. Wrapping headers maintains hotter exhaust gases that exit the system faster through decreased density. Increased exhaust...

The original Exhaust Insulating Wrap™ was developed over 25 years ago by Thermo-Tec®. Wrapping headers maintains hotter exhaust gases that exit the system faster through decreased density. Increased exhaust...

These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers bite into and grab the bottom of the bolt head and the top surface of the header. After...

These flanges may be needed on custom exhaust builds to connect the exhaust manifold to the head pipe. Made from thick 3/8" steel material that is much less likely to warp than common 1/4" exhaust flanges. 2 required. ...

Weld-in oxygen sensor fitting for all fuel injection systems. Fits TBI, TPI, CMFI, LT1, LSX, 5.0L and most other oxygen sensors. Important: This part requires welding for installation. Professional installation is...

Working in a tight space? This small head bolt set is designed to replace regular hex head bolts for easier access and fewer skinned knuckles. Sold as a set of 12

OER® Hi-Temp Exhaust Coat is a fast drying coating designed to withstand temperatures of up to 1200° F on a continuous basis. After curing, it forms a porcelain-like bond. Its special formula resists blistering,...

To finish off a clean and well-protected Exhaust Insulating Wrap application it is recommended to use the Hi-Heat Coating. The coating will protect the wrap from abrasion and harmful liquid spills. Extra resins and binders...

The original Exhaust Insulating Wrap™ was developed over 25 years ago by Thermo-Tec®. Wrapping headers maintains hotter exhaust gases that exit the system faster through decreased density. Increased exhaust...