and Performance Parts and Accessories

Pontiac Firebird Parts - Manifold Hardware
Classic Industries offers a wide selection of Manifold Hardware for your Pontiac Firebird. Classic Industries offers Pontiac Firebird Bolts, Pontiac Firebird Exhaust Flanges, Pontiac Firebird Extension Pipes, Pontiac Firebird Header & Exhaust Manifold Paint, Pontiac Firebird Header & Exhaust Manifold Wraps & Blankets, and Pontiac Firebird Heat Risers.
- Bolts
- Exhaust Flanges
- Extension Pipes
- Header & Exhaust Manifold Pa...
- Header & Exhaust Manifold Wr...
- Heat Risers
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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,...
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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,...
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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.
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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...
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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...
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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...
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PROFORM Grade 8 (12.9 steel) exhaust collector bolts and nuts are designed to keep bolts from getting loose. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently...
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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...
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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,...
- Add to Cart
- Add to Wishlist
-
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...
- Add to Cart
- Add to Wishlist
-
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,...
- Add to Cart
- Add to Wishlist
-
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,...
- Add to Cart
- Add to Wishlist
-
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...
- Add to Cart
- Add to Wishlist
-
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...
- Add to Cart
- Add to Wishlist
-
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...
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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...
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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 system...
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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...
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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...
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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...
- Add to Cart
- Add to Wishlist
-
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...
- Add to Cart
- Add to Wishlist
-
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...
- Add to Cart
- Add to Wishlist
-
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...
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- Add to Wishlist
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Generation II Copper Header Wrap improves heat resistance up to 30% more than current technology by utilizing a new proprietary coating developed by Thermo-Tec's improved Thermal Conduction Technology (TCT™). ...
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Generation II Copper Header Wrap improves heat resistance up to 20% more than current technology by utilizing a new proprietary coating developed by Thermo-Tec's improved Thermal Conduction Technology (TCT™). ...
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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...
- Add to Cart
- Add to Wishlist
-
Thermo-Shield™ protects hoses and wires from radiant heat. Unprotected rubber hoses and plastic or rubber insulated wiring can dry out, melt or crack over time. Thermo-Shield™ is used in applications where it is...
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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...
- Add to Cart
- Add to Wishlist
-
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...
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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...
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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...
- Add to Cart
- Add to Wishlist
-
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,...
- Add to Cart
- Add to Wishlist
-
Upper clamp for heat riser set connects the exhaust manifold heat shroud to the air cleaner. Note: Ram Air IV engines require two sets. All other models only require one.
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ARP® manufactures this premium grade hex head bolt set to facilitate installation of exhaust headers in 8740 chrome moly steel. Made in USA You have a choice of two premium quality materials and finishes. ...
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Lower clamp for heat riser set connects the exhaust manifold heat shroud to the air cleaner. Note: Ram Air IV engines require two sets. All other models only require one.
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Billet EGR smog block off plate kit for 1998-00 models equipped with an LS1. Kit includes One EGR block off plate for the RH exhaust manifold Two smog block off plates for both LH and RH exhaust manifolds Gas kets Mounting...
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Correct replacement muffler support bracket insulators designed to replace the missing, broken or dry rottted originals. Applications: 1975-76 Impala/Full Size w/350, 400, 454 1978-79 Firebird w/6.6 V8
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Exhaust manifold bolts for 1967-69 Firebird 400-428 ci Ram Air and HO vehicles with long branch exhaust manifolds. These bolts match the factory style and specifications, featuring the correct head markings and black oxide ...
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Reproduction 3-hole iron exhaust manifold flange for 1967 Ram Air/H.O. (both sides), 1968-1974 Ram Air IV/Ram Air III, 1971-1972 455 H.O. and 1973-1974 SD-455 models (RH side). Connects the exhaust manifold to the head pipe...
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ARP® manufactures this premium grade 12 point head bolt set to facilitate installation of exhaust headers in 8740 chrome moly steel. Made in USA You have a choice of two premium quality materials and finishes. ...
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Exhaust manifold bolts for 1968-81 389-400 ci Ram Air and HO vehicles with D-port heads. These bolts match the factory style and specifications, featuring the correct head markings and black oxide coating. Each set includes...
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ARP® manufactures this premium grade 12 point head bolt set to facilitate installation of exhaust headers in stainless steel. Made in USA You have a choice of two premium quality materials and finishes. ...
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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 Resists...
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Dress up your full size Chevrolet with these one-of-a kind dress-up bolt sets. The Chevrolet Bow Tie, SS or flames logo is stamped directly onto the head of the bolts. They are available in decorative chrome plated or...
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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...
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Dress up your full size Chevrolet with these one-of-a kind dress-up bolt sets. The Chevrolet Bow Tie, SS or flames logo is stamped directly onto the head of the bolts. They are available in decorative chrome plated or...
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ARP® manufactures this premium grade 12 point head bolt set to facilitate installation of exhaust headers in stainless steel. Made in USA You have a choice of two premium quality materials and finishes. ...
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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 ...
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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 Resists...
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1998-2002 Camaro/Firebird LS1 Smog/Air Pump Tube Block-Off Plate for exhaust manifold/header. CNC Billet Aluminum plate with counter bored holes. Comes with gasket and stainless steel bolts. Note: Sold individual ly. 2...
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Dress up your classic with this one-of-a kind dress-up bolt set. The SS logo is stamped directly onto the head of the bolts. What better way to make a statement than with these unique bolts.
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ARP® manufactures this premium grade hex head bolt set to facilitate installation of exhaust headers in 8740 chrome moly steel. Made in USA You have a choice of two premium quality materials and finishes. ...
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Reproduction 2-hole iron exhaust manifold flange for 1970-1974 Ram Air III/Ram Air IV, 1971-1972 455 H.O. and 1973-1974 SD-455 models. Fits LH manifold. Connects the exhaust manifold to the head pipe on Ram Air and H.O....
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ARP® manufactures this premium grade hex head bolt set to facilitate installation of exhaust headers in stainless steel. Made in USA You have a choice of two premium quality materials and finishes. ...
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These Y-pipe assemblies are exclusively for use with Hedman Hedders, and will not fit other, "similar" style headers. This application is for gasket-style collectors which can be matched to your specific Hedman header part...
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1998-2002 Camaro/Firebird LS1 Smog/Air Pump Tube Block-Off Plate for exhaust manifold/header. CNC Billet Aluminum plate with counter bored holes. Comes with gasket and stainless steel bolts. Note: Sold individual ly. 2...
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Reproduction of the exhaust manifold heat shield for 1968-69 Firebird models with non ram air standard exhaust manifolds. Includes factory style silver cad plating.
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Includes all original style hex head bolts for small block headers. Set of 12 bolts.
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Air Heat Stove Mounting Stud: This is the factory stud used to mount the air heat stove to the exhaust manifold. Fits 1970 307, 1971 307, 350 and all 1976-1981 models.
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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 Resists...
- Add to Cart
- Add to Wishlist
- Bolts
- Exhaust Flanges
- Extension Pipes
- Header & Exhaust Manifold Pa...
- Header & Exhaust Manifold Wr...
- Heat Risers
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