FTD Customs Kawasaki ZX-10R Swing arm Extensions are the highest quality billet aluminum Bolt On ZX-10R Swingarm Extensions available at any price. These swing arm extensions fit ZX-10R Motorcycles. Large 3/8 stainless steel fasteners are included eliminating rusting and bending. These Kawasaki Ninja ZX-10R Swingarm Extensions stretch you motorcycle swing arm from 4 to 9 inches and requires a longer chain and brake line (both sold separately). Proudly Made in Hendersonville, Tennessee U.S.A.