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All Makes All Models OER - Manifold Hardware

Original Equipment Reproduction® was established in the early 1980's when the OEM factories started discontinuing many of the parts that future enthusiasts would need when restoring their muscle cars. Decades of experience in manufacturing and reproducing quality replications of the original parts have made OER the premier company when it comes to quality, finish, fitment, and dependability. Whether you're a serious restorer, or just someone who wants a replacement part for your classic vehicle, OER is the source for the finest quality parts on the market.


  1. Exhaust
  2. Manifold Hardware

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  • Bolts (5)
  • Exhaust Flanges (3)
  • Extension Pipes (2)
  • Header & Exhaust Manifold Pa... (6)
  • Header & Exhaust Manifold Wr... (1)
  • Heat Risers (7)

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Our friendly customer support staff is standing by and ready to help you. Whether its a product, order, or technical, we have you covered. Submit a request online or contact us.

OER Hi-Temp Exhaust Coating; Cast Iron Gray; 16 Oz Aerosol Can (Net Wt. 12 Oz.)

Product#: K0090

OER Hi-Temp Exhaust Coating; Cast Iron Gray; 16 Oz Aerosol Can (Net Wt. 12 Oz.)

Product#: K0090

OER Hi-Temp Exhaust Coating; Cast Iron Gray; 16 Oz Aerosol Can (Net Wt. 12 Oz.)

MSRP: $19.99 ea
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OER® Hi-Temp Exhaust Coating; Silver; 16 Oz Aerosol Can (Net Wt. 12 Oz.)

Product#: K89555

OER® Hi-Temp Exhaust Coating; Silver; 16 Oz Aerosol Can (Net Wt. 12 Oz.)

Product#: K89555

OER® Hi-Temp Exhaust Coating; Silver; 16 Oz Aerosol Can (Net Wt. 12 Oz.)

MSRP: $17.99 ea
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OER Hi-Temp Exhaust Coating; Black; 16 Oz Aerosol Can (Net Wt. 12 Oz.)

Product#: K89556

OER Hi-Temp Exhaust Coating; Black; 16 Oz Aerosol Can (Net Wt. 12 Oz.)

Product#: K89556

OER Hi-Temp Exhaust Coating; Black; 16 Oz Aerosol Can (Net Wt. 12 Oz.)

MSRP: $19.99 ea
LEARN MORE

OER® Cast Iron Gray Hi-Temp Exhaust Coating Case of 6- 12 Oz Aerosol Can

Product#: *K89559

OER® Cast Iron Gray Hi-Temp Exhaust Coating Case of 6- 12 Oz Aerosol Can

Product#: *K89559

OER® Cast Iron Gray Hi-Temp Exhaust Coating Case of 6- 12 Oz Aerosol Can

MSRP: $107.99 cs
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OER® Silver Hi-Temp Exhaust Coating Case of 6- 12 Oz Aerosol Cans

Product#: *K89557

OER® Silver Hi-Temp Exhaust Coating Case of 6- 12 Oz Aerosol Cans

Product#: *K89557

OER® Silver Hi-Temp Exhaust Coating Case of 6- 12 Oz Aerosol Cans

MSRP: $97.99 cs
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OER® Black Hi-Temp Exhaust Coating Case of 6- 12 Oz Aerosol Cans

Product#: *K89558

OER® Black Hi-Temp Exhaust Coating Case of 6- 12 Oz Aerosol Cans

Product#: *K89558

OER® Black Hi-Temp Exhaust Coating Case of 6- 12 Oz Aerosol Cans

MSRP: $107.99 cs
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1957-79 V8 Small Block Exhaust Manifold Heat Riser, Without Valve

Product#: 3750067

1957-79 V8 Small Block Exhaust Manifold Heat Riser, Without Valve

Product#: 3750067

1957-79 V8 Small Block Exhaust Manifold Heat Riser, Without Valve

MSRP: $54.99 ea
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1964-78 Chevrolet, GMC; Exhaust Manifold Heat Riser Valve; Small Block; Car & Truck

Product#: 3887023

1964-78 Chevrolet, GMC; Exhaust Manifold Heat Riser Valve; Small Block; Car & Truck

Product#: 3887023

1964-78 Chevrolet, GMC; Exhaust Manifold Heat Riser Valve; Small Block; Car & Truck

MSRP: $89.99 ea
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1958-74 Chevrolet V8 Big Block; Exhaust Manifold Heat Riser With 2-1/2" Headpipe Without Valve

Product#: 3845304

1958-74 Chevrolet V8 Big Block; Exhaust Manifold Heat Riser With 2-1/2" Headpipe Without Valve

Product#: 3845304

1958-74 Chevrolet V8 Big Block; Exhaust Manifold Heat Riser With 2-1/2" Headpipe Without Valve

MSRP: $49.99 ea
LEARN MORE

1968-78 Chevrolet Big Block; Exhaust Manifold Bolt Set; 16 Pieces

Product#: 14312

1968-78 Chevrolet Big Block; Exhaust Manifold Bolt Set; 16 Pieces

Product#: 14312

1968-78 Chevrolet Big Block; Exhaust Manifold Bolt Set; 16 Pieces

MSRP: $22.99 set
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1968-78 Chevrolet Big Block; Exhaust Manifold Bolt; 3/8"-16 x 1-1/4" Long Thread; 1-1/2" Overall Length; Slash/Circle Head Marking; Each

Product#: 3736035

1968-78 Chevrolet Big Block; Exhaust Manifold Bolt; 3/8"-16 x 1-1/4" Long Thread; 1-1/2" Overall Length; Slash/Circle Head Marking; Each

Product#: 3736035

1968-78 Chevrolet Big Block; Exhaust Manifold Bolt; 3/8"-16 x 1-1/4" Long Thread; 1-1/2" Overall Length; Slash/Circle Head Marking; Each

MSRP: $2.79 set
LEARN MORE

1967-72 Chevrolet; Exhaust Pipe Extension; Small Block; 2" O.D.; Various Models

Product#: 3890382

1967-72 Chevrolet; Exhaust Pipe Extension; Small Block; 2" O.D.; Various Models

Product#: 3890382

1967-72 Chevrolet; Exhaust Pipe Extension; Small Block; 2" O.D.; Various Models

MSRP: $16.99 ea
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1969-77 Camaro, Firebird, Impala, Caprice, Nova; Exhaust Manifold Upper Heat Stove; RH Side; Various Models

Product#: 338471

1969-77 Camaro, Firebird, Impala, Caprice, Nova; Exhaust Manifold Upper Heat Stove; RH Side; Various Models

Product#: 338471

1969-77 Camaro, Firebird, Impala, Caprice, Nova; Exhaust Manifold Upper Heat Stove; RH Side; Various Models

MSRP: $11.99 ea
LEARN MORE

1967-72 Chevrolet; Exhaust Pipe Extension; Big Block; 396ci, 427ci, 454ci; 2-1/2" O.D.; Various Models

Product#: 3890689

1967-72 Chevrolet; Exhaust Pipe Extension; Big Block; 396ci, 427ci, 454ci; 2-1/2" O.D.; Various Models

Product#: 3890689

1967-72 Chevrolet; Exhaust Pipe Extension; Big Block; 396ci, 427ci, 454ci; 2-1/2" O.D.; Various Models

MSRP: $16.99 ea
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1969-81 Buick, Chevrolet, Pontiac, Oldsmobile; Exhaust Manifold Lower Heat Stove; Various Models

Product#: 338473

1969-81 Buick, Chevrolet, Pontiac, Oldsmobile; Exhaust Manifold Lower Heat Stove; Various Models

Product#: 338473

1969-81 Buick, Chevrolet, Pontiac, Oldsmobile; Exhaust Manifold Lower Heat Stove; Various Models

MSRP: $19.99 ea
LEARN MORE

1969-74 Chevrolet; Air Heat Riser Tube; From Air Cleaner to Exhaust Stove

Product#: 6272719

1969-74 Chevrolet; Air Heat Riser Tube; From Air Cleaner to Exhaust Stove

Product#: 6272719

1969-74 Chevrolet; Air Heat Riser Tube; From Air Cleaner to Exhaust Stove

MSRP: $59.99 ea
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1968-81 Firebird, Trans Am; Exhaust Manifold Bolt Set; 389, 400, 455 Ram Air; 13 Piece Set

Product#: A8700125

1968-81 Firebird, Trans Am; Exhaust Manifold Bolt Set; 389, 400, 455 Ram Air; 13 Piece Set

Product#: A8700125

1968-81 Firebird, Trans Am; Exhaust Manifold Bolt Set; 389, 400, 455 Ram Air; 13 Piece Set

MSRP: $49.99 set
LEARN MORE

1970-74 Firebird, Trans Am; Exhaust Manifold Bolt Set; 400, 455, Ram Air II, IV, HO; 14 Piece Set

Product#: A8700126

1970-74 Firebird, Trans Am; Exhaust Manifold Bolt Set; 400, 455, Ram Air II, IV, HO; 14 Piece Set

Product#: A8700126

1970-74 Firebird, Trans Am; Exhaust Manifold Bolt Set; 400, 455, Ram Air II, IV, HO; 14 Piece Set

MSRP: $47.99 set
LEARN MORE

3-Bolt Exhaust Manifold Flange

Product#: EMF1003

3-Bolt Exhaust Manifold Flange

Product#: EMF1003

3-Bolt Exhaust Manifold Flange

MSRP: $22.99 ea
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1970-74 Ram Air/H.O. 2-Bolt Exhaust Manifold Flange

Product#: EMF1002

1970-74 Ram Air/H.O. 2-Bolt Exhaust Manifold Flange

Product#: EMF1002

1970-74 Ram Air/H.O. 2-Bolt Exhaust Manifold Flange

MSRP: $22.99 ea
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1967-69 Firebird; Exhaust Manifold Bolt Set; 400-428, w/Ram Air & HO; Long Branch; 16 Piece Set

Product#: A8700124

1967-69 Firebird; Exhaust Manifold Bolt Set; 400-428, w/Ram Air & HO; Long Branch; 16 Piece Set

Product#: A8700124

1967-69 Firebird; Exhaust Manifold Bolt Set; 400-428, w/Ram Air & HO; Long Branch; 16 Piece Set

MSRP: $49.99 set
LEARN MORE

1969 Long Branch Exhaust Manifold Flange Ram Air

Product#: EMF1012

1969 Long Branch Exhaust Manifold Flange Ram Air

Product#: EMF1012

1969 Long Branch Exhaust Manifold Flange Ram Air

MSRP: $18.99 ea
LEARN MORE

1968-69 Buick Skylark, GS 400; Adapter; Heat Riser Stove Pipe; Big Block

Product#: 1382260

1968-69 Buick Skylark, GS 400; Adapter; Heat Riser Stove Pipe; Big Block

Product#: 1382260

1968-69 Buick Skylark, GS 400; Adapter; Heat Riser Stove Pipe; Big Block

MSRP: $38.99 ea
LEARN MORE

1968-69 Pontiac Firebird; Exhaust Manifold Heat Shield

Product#: F12373

1968-69 Pontiac Firebird; Exhaust Manifold Heat Shield

Product#: F12373

1968-69 Pontiac Firebird; Exhaust Manifold Heat Shield

MSRP: $79.99 ea
LEARN MORE

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