This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.
Purchasing this product requires you to sign our Vehicle Compliance Waiver here.
CORVETTE SB EO HEDDER N/A.I.R.- BLACK MAXX
Features
- Emissions Notes: EO# D167-33 (click here for covered vehicles in document on ARB.CA.GOV website)
- Collector Style: Ball and Socket Style (Gasketless)
- Collector Size: 3 in.
- Automatic Transmission - Floor: Yes
- Automatic Transmission - Column: Yes
- Air Conditioning: Yes
- Reducers Included: Yes
- Header Style: Long Tube
- Gasket Or Seal Included: Yes
- Collector Attachment: 3 in.
- Flange Thickness: 0.25 in.
- Bolts/Studs Included: Yes
- Header Construction: Standard-Duty
- E.O. #: Yes
- Title: HEDMAN HEDDERS CORVETTE SB EO HEDDER N/A.I.R.- BLACK MAXX
- California Proposition 65: WARNING: Cancer & Reproductive Harm. For more info visit www.P65Warnings.ca.gov
- Contents: Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions
- Notes: 63-82 Corvette 283-400
- Y-Pipe Included: No
- with EGR: No
- with A.I.R. System: No
- Package Contents: Set of Headers, mounting hardware and gaskets
- Installation Hardware Included: Yes
- Replacement Gasket: 27500
- Cylinder Head: Stock Profile Heads
- Quantity: Sold as a pair.
- Motor Mounts Included: No
- Crossover Pipe Included: No
- Catalytic Converter(s) Included: No
- Collector Bolts Included: Yes
- Weld-Up: No
- Tuned: No
- Primary Tube Gauge: 18g
- Primary Tube Diameter (in): 1.625 in.
- Mounting Hardware Included: Yes
- Header Material: Mild Steel
- Header Finish: BLACK MAXX Satin Black Ceramic-Metallic
- Cylinder Head Port Shape: Round
- Variations: 68307, 67308
- Tube Style: Long Tube
- Tube Size: 1-5/8 in.
- Tube Material Thickness: 18g
- Tube Length: Long Tubes
- Tube Diameter: 1-5/8 in.
- Tube Design: LONG TUBES
- Reducer Outlet Size: 2-1/2 in.
- Power Steering: Yes
- Port Shape: Round
- Material: Mild Steel
- Manual Transmission - Floor: Yes
- Manual Transmission - Column: No
- Key Feature: 50 State (No A.I.R.)
- Header Port Shape: Round
- Replacement Head Flange Gasket: 27500
- Flange Style: Standard
- Finish Type: BLACK MAXX- Black Ceramic-Metallic Coating
- Finish: BLACK MAXX Satin Black Ceramic-Metallic
- Exhaust System Dia: 2-1/2 in.
Notes:
Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
Power Steering: Yes
Auto Transmission - Column: Yes
Auto Transmission - Floor: Yes
Manual Transmission - Column: No
Manual Transmission - Floor: Yes
Footnotes: (1) Without smog injection or injection heads.
Footnotes: (100) Will not fit steering damper inside front crossmember.
Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).
Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.
Emissions Notes: 1964-1974 VEHICLES without A.I.R.- Legal for use on 1964 through 1974 vehicles without A.I.R. system. Considered an O.E.M. replacement part, and do not require an E.O. when existing emission controls are not removed. 1975-LATER VEHICLES NOT covered by any existing EO. Part number is in the EO Approval process for these years . Call for up-to-date status.
Engine Family: SB Chevy 283-400 (Gen 1)
|
Make
Vehicle
|
Model |
Submodel |
Year |
Engine |
Notes |
1974-1979
Chevrolet
Corvette
|
Corvette |
|
1974-1979 |
8 Cylinder 5.7 Liter |
- Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
- Power Steering: Yes
- Auto Transmission - Column: Yes
- Auto Transmission - Floor: Yes
- Manual Transmission - Column: No
- Manual Transmission - Floor: Yes
- Footnotes: (1) Without smog injection or injection heads.
- Footnotes: (100) Will not fit steering damper inside front crossmember.
- Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).
- Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.
- Emissions Notes: NOT LEGAL FOR STREET USE! Not currently applicable or intended for street or highway use. Call for up-to-date status.
- Engine Family: SB Chevy 283-400 (Gen 1)
- Y-Pipe Included:No
- with EGR:No
- with A.I.R. System:No
- Package Contents:Set of Headers, mounting hardware and gaskets
- Installation Hardware Included:Yes
- Replacement Gasket:27500
- Cylinder Head:Stock Profile Heads
- Quantity:Sold as a pair.
- Motor Mounts Included:No
- Crossover Pipe Included:No
- Catalytic Converter(s) Included:No
- Collector Bolts Included:Yes
- Catalog Code:HED
- Weld-Up:No
- Tuned:No
- Primary Tube Gauge:18g
- Primary Tube Diameter (in):1.625 in.
- Mounting Hardware Included:Yes
- Header Material:Mild Steel
- Header Finish:BLACK MAXX Satin Black Ceramic-Metallic
- Cylinder Head Port Shape:Round
- Variations:68307, 67308
- Tube Size:1-5/8 in.
- Tube Material Thickness:18g
- Tube Length:Long Tubes
- Tube Diameter:1-5/8 in.
- Tube Design:LONG TUBES
- Reducer Outlet Size:2-1/2 in.
- Power Steering:Yes
- Port Shape:Round
- Material:Mild Steel
- Manual Transmission - Floor:Yes
- Manual Transmission - Column:No
- Key Feature:50 State (No A.I.R.)
- Header Port Shape:Round
- Replacement Head Flange Gasket:27500
- Flange Style:Standard
- Finish Type:BLACK MAXX- Black Ceramic-Metallic Coating
- Finish:BLACK MAXX Satin Black Ceramic-Metallic
- Exhaust System Dia:2-1/2 in.
- Emissions Notes:EO# D167-33 (click here for covered vehicles in document on ARB.CA.GOV website)
- Collector Style:Ball and Socket Style (Gasketless)
- Collector Size:3 in.
- Automatic Transmission - Floor:Yes
- Automatic Transmission - Column:Yes
- Air Conditioning:Yes
- Reducers Included:Yes
- Header Style:Long Tube
- Gasket Or Seal Included:Yes
- Collector Attachment:3 in.
- Flange Thickness:0.25 in.
- Bolts/Studs Included:Yes
- Header Construction:Standard-Duty
- E.O. #:Yes
- Title:HEDMAN HEDDERS CORVETTE SB EO HEDDER N/A.I.R.- BLACK MAXX
- California Proposition 65:WARNING: Cancer
- &
- amp; Reproductive Harm. For more info visit www.P65Warnings.ca.gov
- Collector Diameter:3 in.
- Contents:Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions
- Notes :63-82 Corvette 283-400
- Tube Style:Long Tubes
|
1973
Chevrolet
Corvette
|
Corvette |
|
1973 |
8 Cylinder 5.7 Liter |
- Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
- Power Steering: Yes
- Auto Transmission - Column: Yes
- Auto Transmission - Floor: Yes
- Manual Transmission - Column: No
- Manual Transmission - Floor: Yes
- Footnotes: (1) Without smog injection or injection heads.
- Footnotes: (100) Will not fit steering damper inside front crossmember.
- Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).
- Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.
- Emissions Notes: 1964-1974 VEHICLES without A.I.R.- Legal for use on 1964 through 1974 vehicles without A.I.R. system. Considered an O.E.M. replacement part, and do not require an E.O. when existing emission controls are not removed. 1975-LATER VEHICLES NOT covered by any existing EO. Part number is in the EO Approval process for these years . Call for up-to-date status.
- Engine Family: SB Chevy 283-400 (Gen 1)
- Y-Pipe Included:No
- with EGR:No
- with A.I.R. System:No
- Package Contents:Set of Headers, mounting hardware and gaskets
- Installation Hardware Included:Yes
- Replacement Gasket:27500
- Cylinder Head:Stock Profile Heads
- Quantity:Sold as a pair.
- Motor Mounts Included:No
- Crossover Pipe Included:No
- Catalytic Converter(s) Included:No
- Collector Bolts Included:Yes
- Catalog Code:HED
- Weld-Up:No
- Tuned:No
- Primary Tube Gauge:18g
- Primary Tube Diameter (in):1.625 in.
- Mounting Hardware Included:Yes
- Header Material:Mild Steel
- Header Finish:BLACK MAXX Satin Black Ceramic-Metallic
- Cylinder Head Port Shape:Round
- Variations:68307, 67308
- Tube Size:1-5/8 in.
- Tube Material Thickness:18g
- Tube Length:Long Tubes
- Tube Diameter:1-5/8 in.
- Tube Design:LONG TUBES
- Reducer Outlet Size:2-1/2 in.
- Power Steering:Yes
- Port Shape:Round
- Material:Mild Steel
- Manual Transmission - Floor:Yes
- Manual Transmission - Column:No
- Key Feature:50 State (No A.I.R.)
- Header Port Shape:Round
- Replacement Head Flange Gasket:27500
- Flange Style:Standard
- Finish Type:BLACK MAXX- Black Ceramic-Metallic Coating
- Finish:BLACK MAXX Satin Black Ceramic-Metallic
- Exhaust System Dia:2-1/2 in.
- Emissions Notes:EO# D167-33 (click here for covered vehicles in document on ARB.CA.GOV website)
- Collector Style:Ball and Socket Style (Gasketless)
- Collector Size:3 in.
- Automatic Transmission - Floor:Yes
- Automatic Transmission - Column:Yes
- Air Conditioning:Yes
- Reducers Included:Yes
- Header Style:Long Tube
- Gasket Or Seal Included:Yes
- Collector Attachment:3 in.
- Flange Thickness:0.25 in.
- Bolts/Studs Included:Yes
- Header Construction:Standard-Duty
- E.O. #:Yes
- Title:HEDMAN HEDDERS CORVETTE SB EO HEDDER N/A.I.R.- BLACK MAXX
- California Proposition 65:WARNING: Cancer
- &
- amp; Reproductive Harm. For more info visit www.P65Warnings.ca.gov
- Collector Diameter:3 in.
- Contents:Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions
- Notes :63-82 Corvette 283-400
- Tube Style:Long Tubes
|
1969-1972
Chevrolet
Corvette
Base
|
Corvette |
Base |
1969-1972 |
8 Cylinder 5.7 Liter |
- Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
- Power Steering: Yes
- Auto Transmission - Column: Yes
- Auto Transmission - Floor: Yes
- Manual Transmission - Column: No
- Manual Transmission - Floor: Yes
- Footnotes: (1) Without smog injection or injection heads.
- Footnotes: (100) Will not fit steering damper inside front crossmember.
- Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).
- Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.
- Emissions Notes: 1964-1974 VEHICLES without A.I.R.- Legal for use on 1964 through 1974 vehicles without A.I.R. system. Considered an O.E.M. replacement part, and do not require an E.O. when existing emission controls are not removed. 1975-LATER VEHICLES NOT covered by any existing EO. Part number is in the EO Approval process for these years . Call for up-to-date status.
- Engine Family: SB Chevy 283-400 (Gen 1)
- Y-Pipe Included:No
- with EGR:No
- with A.I.R. System:No
- Package Contents:Set of Headers, mounting hardware and gaskets
- Installation Hardware Included:Yes
- Replacement Gasket:27500
- Cylinder Head:Stock Profile Heads
- Quantity:Sold as a pair.
- Motor Mounts Included:No
- Crossover Pipe Included:No
- Catalytic Converter(s) Included:No
- Collector Bolts Included:Yes
- Catalog Code:HED
- Weld-Up:No
- Tuned:No
- Primary Tube Gauge:18g
- Primary Tube Diameter (in):1.625 in.
- Mounting Hardware Included:Yes
- Header Material:Mild Steel
- Header Finish:BLACK MAXX Satin Black Ceramic-Metallic
- Cylinder Head Port Shape:Round
- Variations:68307, 67308
- Tube Size:1-5/8 in.
- Tube Material Thickness:18g
- Tube Length:Long Tubes
- Tube Diameter:1-5/8 in.
- Tube Design:LONG TUBES
- Reducer Outlet Size:2-1/2 in.
- Power Steering:Yes
- Port Shape:Round
- Material:Mild Steel
- Manual Transmission - Floor:Yes
- Manual Transmission - Column:No
- Key Feature:50 State (No A.I.R.)
- Header Port Shape:Round
- Replacement Head Flange Gasket:27500
- Flange Style:Standard
- Finish Type:BLACK MAXX- Black Ceramic-Metallic Coating
- Finish:BLACK MAXX Satin Black Ceramic-Metallic
- Exhaust System Dia:2-1/2 in.
- Emissions Notes:EO# D167-33 (click here for covered vehicles in document on ARB.CA.GOV website)
- Collector Style:Ball and Socket Style (Gasketless)
- Collector Size:3 in.
- Automatic Transmission - Floor:Yes
- Automatic Transmission - Column:Yes
- Air Conditioning:Yes
- Reducers Included:Yes
- Header Style:Long Tube
- Gasket Or Seal Included:Yes
- Collector Attachment:3 in.
- Flange Thickness:0.25 in.
- Bolts/Studs Included:Yes
- Header Construction:Standard-Duty
- E.O. #:Yes
- Title:HEDMAN HEDDERS CORVETTE SB EO HEDDER N/A.I.R.- BLACK MAXX
- California Proposition 65:WARNING: Cancer
- &
- amp; Reproductive Harm. For more info visit www.P65Warnings.ca.gov
- Collector Diameter:3 in.
- Contents:Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions
- Notes :63-82 Corvette 283-400
- Tube Style:Long Tubes
|
1963-1968
Chevrolet
Corvette
Base
|
Corvette |
Base |
1963-1968 |
8 Cylinder 5.3 Liter |
- Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
- Power Steering: Yes
- Auto Transmission - Column: Yes
- Auto Transmission - Floor: Yes
- Manual Transmission - Column: No
- Manual Transmission - Floor: Yes
- Footnotes: (1) Without smog injection or injection heads.
- Footnotes: (100) Will not fit steering damper inside front crossmember.
- Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).
- Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.
- Emissions Notes: 1964-1974 VEHICLES without A.I.R.- Legal for use on 1964 through 1974 vehicles without A.I.R. system. Considered an O.E.M. replacement part, and do not require an E.O. when existing emission controls are not removed. 1975-LATER VEHICLES NOT covered by any existing EO. Part number is in the EO Approval process for these years . Call for up-to-date status.
- Engine Family: SB Chevy 283-400 (Gen 1)
- Y-Pipe Included:No
- with EGR:No
- with A.I.R. System:No
- Package Contents:Set of Headers, mounting hardware and gaskets
- Installation Hardware Included:Yes
- Replacement Gasket:27500
- Cylinder Head:Stock Profile Heads
- Quantity:Sold as a pair.
- Motor Mounts Included:No
- Crossover Pipe Included:No
- Catalytic Converter(s) Included:No
- Collector Bolts Included:Yes
- Catalog Code:HED
- Weld-Up:No
- Tuned:No
- Primary Tube Gauge:18g
- Primary Tube Diameter (in):1.625 in.
- Mounting Hardware Included:Yes
- Header Material:Mild Steel
- Header Finish:BLACK MAXX Satin Black Ceramic-Metallic
- Cylinder Head Port Shape:Round
- Variations:68307, 67308
- Tube Size:1-5/8 in.
- Tube Material Thickness:18g
- Tube Length:Long Tubes
- Tube Diameter:1-5/8 in.
- Tube Design:LONG TUBES
- Reducer Outlet Size:2-1/2 in.
- Power Steering:Yes
- Port Shape:Round
- Material:Mild Steel
- Manual Transmission - Floor:Yes
- Manual Transmission - Column:No
- Key Feature:50 State (No A.I.R.)
- Header Port Shape:Round
- Replacement Head Flange Gasket:27500
- Flange Style:Standard
- Finish Type:BLACK MAXX- Black Ceramic-Metallic Coating
- Finish:BLACK MAXX Satin Black Ceramic-Metallic
- Exhaust System Dia:2-1/2 in.
- Emissions Notes:EO# D167-33 (click here for covered vehicles in document on ARB.CA.GOV website)
- Collector Style:Ball and Socket Style (Gasketless)
- Collector Size:3 in.
- Automatic Transmission - Floor:Yes
- Automatic Transmission - Column:Yes
- Air Conditioning:Yes
- Reducers Included:Yes
- Header Style:Long Tube
- Gasket Or Seal Included:Yes
- Collector Attachment:3 in.
- Flange Thickness:0.25 in.
- Bolts/Studs Included:Yes
- Header Construction:Standard-Duty
- E.O. #:Yes
- Title:HEDMAN HEDDERS CORVETTE SB EO HEDDER N/A.I.R.- BLACK MAXX
- California Proposition 65:WARNING: Cancer
- &
- amp; Reproductive Harm. For more info visit www.P65Warnings.ca.gov
- Collector Diameter:3 in.
- Contents:Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions
- Notes :63-82 Corvette 283-400
- Tube Style:Long Tubes
|
Who Is Hedman Hedders?
Hedman Hedders is an exhaust system manufacturer that began as a one-man shop in 1954. Bob Hedman, the founder of Hedman Hedders, sold his sought-after exhaust tubes to fellow racers participating in the salt flats of the Mojave Desert. But what he did not realize is that, what started out as a side hustle to earn a few dollars to support his racing hobby, turned into one of the premier header manufacturers in the world.
Choice Of Champions
Hedman Hedders are popular both in the racing and street marketplaces. Initially, his product was only intended for drag racers, but as word spread quickly, Hedman Hedders became the brand of choice among racing’s elite engine builder and racers in different racing disciplines. It is used by some of the biggest names such as Warren Johnson, Don Garlits, Shirley Muldowney, the BIGFOOT Racing Team, and the IROC series.
The company constantly reshapes itself to create products that would continuously adapt to the fast-changing automotive trends. It is also designed to meet environmental requirements and uses the most advanced and latest technology to ensure that its products perform at their optimum.
Purchase Hedman Hedders At Vivid Racing
If you are in the market for high-performance headers for your vehicle, then look no further, as Hedman Hedders is the right brand for you. They manufacture custom-made headers that fit most car makes and models and are guaranteed to give you the best performance gain for your dollar. Tested both on the street and the track, Hedman Hedders is a brand that you can trust.
To know more about Hedman and what they can offer, visit Vivid Racing and check out their list of products that fit your specific requirement.
Installation Instructions
Click to view the Installation Instructions here
WARNING: Cancer and Reproductive Harm
