Twisted Choppers Shovelhead Mild 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 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 Features
- Available 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 Specifications
- Material: 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 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
john c. –
excellent service, fastest by far to Australia, great mob.
Brian Crosby –
Thanks for the great parts
john g. –
As described , packaged well & no damage.