Info: MacDaddy Racing Clutch Ball (CERAMIC) to replace stock part# 93503-16003-00 for Yamaha Blaster. Simply put, this is a quality ceramic replacement for the stock Blaster clutch ball. This ball reduces friction between the push rod and adjuster to prevent welding your push rod and ball together. Whether you need a replacement for your stock clutch ball or you're looking to build an engine from the bottom up, this ball will surely suit your needs. Without a doubt, MacDaddy Racing has the highest quality parts for serious riders and builders who are looking to make more power and go faster. Compatibility: These parts will fit Yamaha Blaster years: 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006