Hedman 68216 Chevy Corvette 396-502 CID (Without A.I.R.) HTC Ceramic Coated Long Tube Street Headers

Installation Kit Included

Hedman - Made in the USA


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Financing Option

1 in stock

Hedman 68216 HTC
Street Headers

Ceramic Coated
Long Tube Style


Chevrolet Corvette 396 - 502 CID (Without A.I.R.)
1963 - 1982

Click here for full vehicle applications


Tube diameter 1-3/4 in.
Tube style Long Tubes
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 diameter 3 in.
Collector size 3 in.
Reducer outlet size 2-1/2 in.
Exhaust system diameter 2-1/2 in.
Contents Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions
E.O. # No
Emission notes Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only.
Finish HTC Polished Silver Ceramic-Metallic
Finish type HTC SILVER (polished) Ceramic-metallic Coating
Flange style Standard
Flange thickness 0.3125 in.
Header port shape Round
Header style Long Tube
Notes 63-82 Corvette 396-502
Key feature Without A.I.R.
Port shape Round
Power steering Yes
Material Mild Steel
Tube design Standard
Tube lenght Long Tubes
Tube material thickness 16g
Tube size 1-3/4 in.
Variation 68210
With A.I.R system No
With EGR No
Weld-up No
Tuned No
Bolts/studs included Yes
Catalytic converters included No
Collector bolts included Yes
Crossover pipe included No
Gasket or seal included Yes
Header fasteners included Yes
Installation hardware included Yes
Motor mounts included No
Mounting hardware included Yes
Reducers included Yes
Y-Pipe included No
Quantity Sold as a pair.
Primary tube gauge 16g
Primary tube diameter 1.75 in.
Package contents Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware
Header material Mild Steel
Header finish HTC Polished Silver Ceramic-Metallic
Cylinder port head shape Round
Cylinder head Stock Profile Heads
Header construction MILD STEEL- Standard-Duty
Replacement gasket 27530
Replacement head flange gasket 27530


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