Info: MacDaddy Racing Cool Head O-ring Kit for Yamaha Banshee to replace old o-rings that can become damaged over time. O-rings are included for the head, domes, etc. These will work for most brands of cool heads but NOT for the "Modquad" head. Whether you're looking to replace old, worn-out o-rings, or you're building a Banshee from the ground up; these 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 save more weight. Compatibility: These parts will fit any year Yamaha Banshee: 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006