Check the listing for details. HARLEY-DAVIDSON ARP 12 POINT 12PT POLISHED STAINLESS EXHAUST FLANGE STUD KIT. Condition: New. Listed at 47.50 USD. Polished ARP Grade 8 Stainless 12 Point Harley Exhaust Flange Stud Kit Here are the parts you need to replace those old rusted exhaust studs and nuts on your Harley Davidson engine. This kit fits all Harleys with the 2- 5/16 studs per pipe. These studs have a 5/16-18 thread on one end and a 5/16-24 thread on the other. They have a unique ball lead to prevent cross threading. The nuts have a 3/8 wrench 12 point head. ARP grade 8 stainless bolts, studs, and nuts are virtually impervious to rust and corrosion. Rated at 170,000 psi makes these STRONGER than Harley grade 8 fasteners. These are maintenance free fasteners and come with a polished finish. This kit does not fit V-Rods. We have a separate kit for the V-Rods on our website or contact us for Pricing. Please use Ebay's shipping calculator to find or check your actual shipping cost. Kits going to Canada, Alaska, Hawaii, and Puerto Rico will be shipped via USPS Priority. You can pay us securely with any major credit card through PayPal.