Seller notes

Brand new never installed Boyesen Rad Valve fits all 1993 1994 1995 1996 1997 1998 1999 2000 2001 93 94 95 96 97 98 99 00 01 YZ 80's. This is the best bolt on modification you can install to make the bike more ridable. This system will lower the rpm the bike comes on the pipe so its easier to ride thanks to the dual stage reeds and the intake is designed to flow more so it makes more power everywhere! Also comes with new replacement carburator to reed valve rubber manifold so you can get rid of ...

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