These Shovelhead exhaust flanges are made of 5mm steel. They're specialy made for STD heads of your Shovelhead. With these Shovelhead flanges for the Shovelhead exhaust you can weld your own exhaust.

• The inside diameter of the hole is 1 3/4'' (44.5 mm)
• 1 Set contains 2 flanges
• 5 mm thick steel