Every Dougs header includes mounting hardware, collector reducers or connector pipes, premium gaskets, and detailed installation instructions. The premium gaskets are extra thick and rated up to 1,100°F, pressures to 3,700 PSI (255 bar), and have an exact port match with Dougs headers. All headers are metallic ceramic thermal barrier-coated unless otherwise noted.
- Header Style:
- Shorty
- Header Material:
- Steel
- Header Finish:
- Silver ceramic coated
- Weld-Up:
- No
- Primary Tube Outside Diameter (in.):
- 1.750 in.
- Flange Style:
- Standard
- Flange Thickness (in.):
- 0.375 in.
- Collector Attachment:
- 3-bolt flange
- Collector Diameter (in.):
- 3.000 in.
- Collector Reducers Included:
- Yes
- Collector Reducer Exit Diameter:
- 2.500 in.
- Tuned:
- No
- Primary Tube Length (in.):
- N/A
- Cylinder Head Port Shape:
- Stock
- Primary Tube Gauge:
- 16-gauge
- Gaskets Included:
- Yes
- Hardware Included:
- Yes
- Crossover Pipe Included:
- No
- Crossover Pipe Style:
- N/A
- Crossover Pipe Diameter:
- N/A
- Spark Plug Position:
- N/A
- Catalytic Converter(s) Included:
- No
- Oxygen Sensor Bung:
- No
- Quantity:
- Sold as a pair.
- Make:
- Chevrolet
- Model:
- Camaro (1967-1969)
- Model:
- Capice (1966-1974)
- Model:
- Chevelle (1968-1973)
- Model:
- Chevy II (1968)
- Model:
- El Camino (1968-1977)
- Model:
- Malibu (1968-1977)
- Model:
- Monte Carlo (1970-1977)
- Model:
- Nova (1969-1974)
- Make:
- GMC
- Model:
- Sprint (1971-1974)
- Make:
- Pontiac
- Model:
- Firebird (1967-1969)
- Engine Family:
- Chevy big block Mark IV
- Engine Sizes:
- 6.5L/396-7.4L/454
- Years:
- 1966-1990
