Kawasaki GPZ500 S EX500D1-D12 1999 DID VX3 HD X-Ring Chain & Sprocket Kit
D.I.D's VX Series boasts a much longer chain life than the VO Series due to the patented X-Ring technology. The 520VX3 has a 32% longer chain life than the 520VO and the 525 and 530VX3 has a 41% longer chain life!