STAINLESS STEEL HEX FLANGE NUT 4-pack. Cold-forged A2-70 (304) grade stainless steel with serrated base. 0.661 (16.7mm) flange diameter.Compatible with Harley Davidson and Buell motorcyles exhaust header studs, part no. W e also have Inexpensive stud and nut kits, please see item number. From our other items for sale. BUELL: XB9 / XB12 / X1 Lightning / S1 / M2. DUE TO THE PANDEMIC, THERE IS DELAYS ON THE POST IN FIRST CLASS UNLESS ITS A SIGNED FOR OR REGISTERED POST. FREE AND TAKE YOUR CHANCES. The item "4x Stainless Steel Harley Davidson, Buell, sportster, Exhaust flange nuts" is in sale since Monday, May 11, 2020. This item is in the category "Vehicle Parts & Accessories\Motorcycle Parts\Other Motorcycle Parts". The seller is "fmtrickbits" and is located in CHESTER. This item can be shipped to United Kingdom.