Hedman 68600 Small Block Chevy 283-400 CID Mid-Length Tube Street Headers For Various GM Vehicles
Installation Kit Included
£325.95
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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 |
