Twisted Choppers Shovelhead Stainless Steel Exhaust Port Flanges

Twisted Choppers Shovelhead Stainless Steel Exhaust Port Flanges

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 stainless 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 Features

• Available in Single Bolt and 3 Bolt STD configurations
• Laser-cut stainless 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 Specifications

• Material: 1/4-inch thick laser-cut stainless 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 Notes

• Fits 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