Hedman 68600 Small Block Chevy 283-400 CID Mid-Length Tube Street Headers For Various GM Vehicles

Hedman 68600
Street Headers
Mid-Length Tube Type

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.

Application:

Small Block Chevy 283-400 CID (Gen 1)
Various Cars 1964-1993
Automatic Transmission Only

Buick
1978 - 1987 Regal

Chevrolet
1971 - 1975 Bel Air
1971 - 1972 Biscayne
1967 - 1981 Camaro
1971 - 1993 Caprice
1964 - 1973 Chevelle
1968 Chevy II
1964 - 1987 El Camino
1971 - 1985 Impala
1973 - 1976 Laguna
1964 - 1983 Malibu
1970 - 1987 Monte Carlo
1969 - 1979 Nova
1971 - 1972 Townsman

Oldsmobile
1964 - 1971 442
1978 - 1981 Cutlass
1964 - 1975 Vista Cruiser

Pontiac
1978 - 1987 Grand Prix
1964 - 1981 LeMans
1964 - 1970 Tempest
1971 - 1977 Ventura

Click here for full vehicle applications

Specifications

Tube Diameter	1-5/8 in.
Tube Style	Mid-Length
Collector Style	BALL and SOCKET Style (Gasketless)
Automatic Transmission - Column	Yes
Automatic Transmission - Floor	Yes
Manual Transmission - Column	No
Manual Transmission - Floor	No
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.
Content	headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware
E.O. #	No
Emission Notes	Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only.
Engine	Chevy SB 283-400 (Gen 1) 1958-86
Finish	Uncoated
Flange Style	Standard
Flange Thickness	0.3125 in.
Header Port Shape	Round
Header Style	Mid-Length Tube
IMPORTANT!	Automatic Transmission ONLY!
Notes	67-81 F; 64-83 A, 82-88 G; 68-79 X; 71-94 B; 84-04 Astro 283-400
Port Shape	Round
Power Steering	Yes
Material	Mild Steel
Tube Design	Standard
Tube Length	Mid-Length Tubes
Tube Material Thickness	16g
Tube Size	1-5/8 in.
Variations	68606, 68603, 68608 & 63608. 62600, 62606 & 62603 304 Stainless Steel.
With A.I.R System	No
With EGR	No
Weld-up	No
Tuned	No
Bolts/Studs Included	Yes
Catalytic Converter 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 Guage	16g
Primary Tube Diameter	1.625 in.
Package Contents	Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware
Header Material	Mild Steel
Cylinder Port Head Shape	Round
Cylinder Port Head	Stock Profile Heads
Replacement Gasket	27500
Replacement Head Flange Gasket	27500