Our Kawasaki ZX-7R Swingarm Extensions are the highest quality billet aluminum Bolt On Kawasaki ZX7R wingarm Extensions available at any price. Large 3/8 stainless steel fasteners are included eliminating rusting and bending.These Kawasaki ZX 7R Swingarm Extensions stretch you motorcycle swingarm from 4 to 9 inches and requires a longer chain and brake line (both sold separately).Proudly Made in our Hendersonville, Tennessee U.S.A. facility.