Headers fit small block Chevy engines in older Bullitt, GRT, Howe, NASCAR LMS, Shaw, and most IMCA Modifieds. Headers with an E suffix have equal length primary tubes. Available for standard exhaust port small block Chevy only
- Header Style:
- Circle Track 4-1 one-piece
- Header Material:
- Steel
- Header Finish:
- Temporary non-high temperature paint
- Weld-Up:
- No
- Primary Tube Outside Diameter (in.):
- 1.625 in.
- Flange Style:
- Standard
- Flange Thickness (in.):
- 0.250 in.
- Collector Attachment:
- Slip fit
- Collector Diameter (in.):
- 3.000 in.
- Collector Reducers Included:
- No
- Collector Reducer Exit Diameter:
- N/A
- Tuned:
- Yes
- Primary Tube Length (in.):
- 27 in.
- Cylinder Head Port Shape:
- Square
- Primary Tube Gauge:
- N/A
- Gaskets Included:
- Yes
- Hardware Included:
- Yes
- Crossover Pipe Included:
- No
- Crossover Pipe Style:
- N/A
- Crossover Pipe Diameter:
- N/A
- Spark Plug Position:
- Angle/Straight
- Catalytic Converter(s) Included:
- No
- Oxygen Sensor Bung:
- No
- Quantity:
- Sold as a pair.
- Notes:
- Fits angle plug or straight plug heads. Number 1 spark plug needs to be at least 1 in. behind ball joint. Fits older Bullitt, GRT, Howe NASCAR® LMS, Shaw and most IMCA Modified chassis models.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen I
- Engine Sizes:
- 4.3L/262-6.6L/402
- Years:
- 1955-2002
- Transmission:
- Automatic/Manual
- CARB EO Number(s):
- No
- Emissions:
- No
