BlackPath - Kawasaki Swingarm Extension Ninja ZX-6R (Black) T6 Billet COMPATIBILITY: 1998 - 2002 Kawasaki Ninja ZX-6R DETAILS: Lengthens the wheelbase of your bike to help keep that front wheel planted during hard launches while giving it a stretched, low-slung look CONTENTS: (2x) 6061-T6 Billet Aluminum Adjustable Swingarm Extensions, (1x) Extended Black Chain, (1x) Braided Stainless Brake Line Extension, Hardware and Installation Instructions T6 Billet Aluminum has a tensile strength of 290 Mpa (42,000 psi) which makes it perfect to use as replacement parts. Because of it's strength and being lightweight, you do not have to worry about adding extra pounds or weaknesses to your bike. Lifetime Warranty and backed by our 100% Satisfaction Guarantee