Our Yamaha R6 Swingarm Extensions are the highest quality billet aluminum Bolt On Yamaha R6 Swingarm Extensionsavailable at any price. Large 3/8" stainless steel fasteners are included - eliminating rusting and bending. These Yamaha R6 Swingarm Extensions stretch your motorcycle swingarm from 6 1/2 to 9 1/2 inches and requires a longer chain and brake line (both sold separately). "Proudly Made" in our Hendersonville, Tennessee - U.S.A. facility.