Engine Performance & Vehicle Customizing Products From Hedman

62300-1963-82 Corvette 283-400 304 Stainless Steel

Photo of Hedman Hedders for 1963-82 Corvette 283-400 304 Stainless Steel

What happens when you use standard headers on aftermarket cylinder heads?

STAINLESS STEEL Hedders; 1-5/8 in. Tube Dia; FULL LENGTH Design-UNCOATED

STAINLESS STEEL Headers; 1-5/8 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design- UNCOATED

Part#62300

$1,082.25

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Product Specifications

(PLEASE REVIEW THE FOLLOWING PRODUCT SPECIFICATIONS & FOOTNOTES THOROUGHLY)

Tube Diameter 1-5/8 in.
Tube Style Long Tube
Collector Style Ball and Socket Style (Gasketless)
Air Conditioning Yes
Automatic Transmission - Column Yes
Automatic Transmission - Floor Yes
Manual Transmission - Column No
Manual Transmission - Floor Yes
Collector Attachment 3 in.
Collector Size 3 in.
Reducer Outlet Size 2-1/2 in.
Exhaust System Dia 2-1/2 in.
Contents headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware
E.O. # No
Emissions Notes NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.
Finish Uncoated
Finish Type Uncoated Stainless Steel
Flange Style Standard
Flange Thickness 0.375 in.
Header Style Long Tube
Notes 63-82 Corvette 283-400
Power Steering Yes
Product Info Manufactured using 304 Stainless steel. Sturdy 3/8 in. Flanges and 16 gauge tubing
Material T304 Stainless Steel
Tube Design LONG TUBES
Tube Length Long Tubes
Tube Material Thickness 16g
Tube Size 1-5/8 in.
Variations 68306, 68308, 62306
with A.I.R. System No
with EGR No
Weld-Up No
Tuned No
Bolts/Studs Included Yes
Catalytic Converter(s) Included No
Crossover Pipe Included No
Gasket Or Seal Included Yes
Installation Hardware Included Yes
Motor Mounts (Included) No
Mounting Hardware Included Yes
Reducers Included Yes
Transmission Mount/Crossmember (Included) No
Y-Pipe Included No
Quantity Sold as a pair.
Primary Tube Gauge 16g
Primary Tube Diameter (in) 1.625"
Package Contents Set of Headers, mounting hardware and gaskets
Header Material T304 Stainless Steel
Header Finish Raw
Cylinder Head Port Shape Oval
Cylinder Head Fits Factory GM Aluminum or Cast Iron, Angle Plug and Straight Plug Heads.
Header Construction T304 Stainless
Replacement Gasket 27520
Replacement Head Flange Gasket 27520
California Proposition 65 WARNING: Cancer & Reproductive Harm. For more info visit www.P65Warnings.ca.gov

Vehicle Applications

Chevrolet

Corvette

Year

C.I.D.

Liter

Cylinders

Drive Type

1963

327

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98).
Emissions Notes	1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.

1964

327

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98).
Emissions Notes	1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.

1965

327

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98).
Emissions Notes	1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.

1966

327

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98).
Emissions Notes	1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.

1967

327

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98).
Emissions Notes	1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.

1968

327

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98).
Emissions Notes	1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.

1969

350

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98).
Emissions Notes	1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.

1970

350

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98).
Emissions Notes	1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.

1971

350

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98).
Emissions Notes	1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.

1972

350

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98).
Emissions Notes	1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.

1973

350

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98).
Emissions Notes	1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.

1974

350

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98).
Emissions Notes	1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.

1975

350

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98). (6) Modification to stock exhaust required to retain catalytic converter.
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1976

350

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98). (6) Modification to stock exhaust required to retain catalytic converter.
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1977

350

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98). (6) Modification to stock exhaust required to retain catalytic converter.
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1978

350

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98). (6) Modification to stock exhaust required to retain catalytic converter.
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1979

350

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98). (6) Modification to stock exhaust required to retain catalytic converter.
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1980

305

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98). (6) Modification to stock exhaust required to retain catalytic converter.
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1980

350

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98). (6) Modification to stock exhaust required to retain catalytic converter.
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1981

350

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98). (6) Modification to stock exhaust required to retain catalytic converter.
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.

1982

350

Vehicle Specific Information
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. (100) Will not fit steering damper inside front crossmember. (103) Will fit with angle plug heads (Chevy aluminum only, L98). (6) Modification to stock exhaust required to retain catalytic converter.
Emissions Notes	RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.