For Chevy Small Block SBC Boom Tube Zoomie Exhaust Header Rectangular Port Black

DESCRIPTION --Finish: Black --Material: Steel --Header Tube Type: Zoomie --Flange Style: Rectangular Port --Primary Tube Diameter: 1.75" --Flange Thickness: 0.31" --Drivers Side Dimension A: 9.60" --Drivers Side Dimension B: 13.30" --Drivers Side Dimension C: 21.75" --Passenger Side Dimension A: 10.50" --Passenger Side Dimension B: 13.85" --Passenger Side Dimension C: 21.88" --Includes Hardware & Gaskets --Fitment: For Small Block Chevy 327 350 --Package: Including All Items In The Pictures. Note: Professional Installation Is Highly Recommended (No Instruction Included).