Brake Parts
Cooling Parts
Drivetrain & Transmission Parts
Electrical Parts
Engines Parts
Exhaust Parts
Foot Controls & Pegs
Frame & Body
Fuel Parts
Handlebars & Controls
Ignition System Parts
Mounts & Hardware
Performance Chips & Programmers
Racing Exterior & Body Parts
Starting & Charging Parts
Suspension Parts
Windshield & Fairings
Repair Manuals
Brake Parts
Cooling Parts
Drivetrain & Transmission Parts
Electrical Parts
Engines Parts
Exhaust Parts
Foot Controls & Pegs
Frame & Body
Fuel Parts
Handlebars & Controls
Ignition System Parts
Mounts & Hardware
Performance Chips & Programmers
Racing Exterior & Body Parts
Starting & Charging Parts
Suspension Parts
Windshield & Fairings
Repair Manuals
Small Block Ford big tube wide rectangular shaped port header adapter exhaust flanges. These flanges come as a pair and are designed for 2" horizontal centerline bolt pattern SBF heads, machine work included. Includes (8) countersunk holes for bolting 3/8" diameter flat head bolts to head and (8) 3/8"-16 tapped holes to locate SBF flanges with larger port sizes for 1-7/8" or 2" diameter primaries. SBF header flanges not included, laser-cut from heavy-duty 3/8" thick carbon steel for superior resistance to warping from high heat, recommended header flanges are HFSBFTFHP188 or HFSBFTFHP200, or any other 3/8" thick Small Block Ford header flange with 2-3/4" width diagonal header bolt pattern.
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)).
CLOSE ✕
Subscribe to our newsletter to receive exclusive offers, product recommendations, expert tips and more.