Twisted Choppers Shovelhead Mild Steel Exhaust Port Flanges, Single Bolt

Weld these flanges directly into your custom Shovelhead exhaust header and get a clean, tight seal at the port. Twisted Choppers Shovelhead Exhaust Port Flanges are laser-cut mild steel, ready to weld, and sized to accept 1-3/4-inch OD exhaust tubing. Choose between single bolt and three bolt standard configurations to match your cylinder head.Key FeaturesAvailable in Single Bolt and 3 Bolt STD configurations.Laser-cut mild steel - ready to weld to custom exhaust.Center hole sized for 1-3/4-inch OD tubing.Sold as a pair.Made in the USA.Technical SpecificationsMaterial: 1/4-inch thick laser-cut mild steel.Center Hole: 1.765-inch (accepts 1-3/4-inch OD tubing).Configurations: Single Bolt, 3 Bolt STD.Sold As: Pair.Compatible Engines: Harley-Davidson Shovelhead.Fitment NotesFits Harley-Davidson Shovelhead engines (1966-1984).Single Bolt configuration matches heads with single exhaust port bolt.3 Bolt STD configuration matches heads with three exhaust port bolts in standard layout.Sold as a pair - one flange per cylinder.See the Fitment tab for complete model breakdown.

• Mild Steel exhaust port flanges for 1966-1984 Harley-Davidson Shovelhead engines - available in Single Bolt and 3 Bolt STD configurations to match your cylinder head
• Fits Harley-Davidson Shovelhead engines from 1966-1984 - choose Single Bolt or 3 Bolt STD based on your cylinder head bolt pattern
• 1/4-inch thick laser-cut mild steel construction - center hole sized at 1.765 inches to accept 1-3/4-inch OD exhaust tubing
• Ready to weld into your custom exhaust header with no additional machining - sold as a pair for both cylinders
• Official Twisted Choppers fabrication component made in the USA - complete your custom Shovelhead exhaust build