Hedman 68390 Exhaust Headers 1967-81 Camaro, 1964-77 Chevelle, Malibu, El Camino & Street Rod with 283-400 SBC.

Installation Kit Included

Hedman - Made in the USA


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1 in stock

Hedman 68390
Exhaust Headers

NOTE: The paint applied to these headers is a temporary coating only and is designed to burn off during use. High temperature paint or other high temperature coatings are recommended.


1967-1981 Camaro
1964-1973 Chevelle
1964-1977 El Camino
1964-1977 Malibu


1924-1946 Street Rod


Tube Diameter 1-1/2 in.
Tube Style Super Shorty
Collector Style 3-Bolt Gasket Style Flange
Air Conditioning Yes
Automatic Transmission - Column Yes
Automatic Transmission - Floor Yes
Manual Transmission - Column No
Manual Transmission - Floor Yes
Collector Attachment 2-1/2 in.
Collector Diameter 2-1/2 in.
Collector Size 2-1/2 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
Emissions Notes Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only.
Engine Chevy SB 283-400
Finish Uncoated
Finish Type UNCOATED Mild Steel! Shipped with Temporary Paint.
Flange Style Standard
Flange Thickness 0.3125 in.
Header Port Shape Oval Port
Header Style Block Huggers- Street Rod
Notes 64-77 A-body, El Camino; 67-81 Camaro SBC
Port Shape Oval
Power Steering Yes
Product Details This is a SUPER SHORTY Design hedder.
Material Mild Steel
Transmission Notes Modification to shifter linkage may be required.
Tube Design Standard
Tube Length Super Short Tubes
Tube Material Thickness 16g
Tube Size 1-1/2 in.
Variations 68396
With A.I.R. System No
With EGR No
Weld-Up No
Tuned No
Bolts/Studs Included Yes
Catalytic Converter(s) 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 1.50 in.
Package Contents Headers, reducers (exhaust adapters), gaskets, mounting hardware
Header Material Mild Steel
Header Finish Uncoated
Cylinder Head Port Shape Oval
Cylinder Head Stock Profile Heads
Header Construction MILD STEEL- Standard-Duty
Replacement Gasket 27500
Replacement Head Flange Gasket 27500


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