Doug's Part Number D381-C
Header Style: Side mount
Header Material: Steel
Header Finish: Chrome
Primary Tube Diameter (in): 2 1/8 in. (53mm)
Collector Attachment: Slip fit
Collector Diameter: 4.000 in. (100mm)
Cylinder Head Port Shape: Round
Primary Tube Gauge: 16-gauge
Flange Style: Standard
Flange Thickness (in): 3/8 in. (10mm)
Bolts and Studs Included: Yes
Gaskets Included: Yes
Quantity: Sold as a pair.
Notes: (69) Big block frame stands and motor mounts must be used to insure proper engine location and header fit.