KX250 Aluminium rear chain guide block assembly 1988 - 1993

This is a complete replacement rear chain guide. It is a direct replacement for Kawasaki part numbers-

12053-1235

12053-1236

12053-1234

12053-1270

2 x 221AA0645

This fits 

KX125 from 1988 thru 1993

KX250 from 1988 thru  1993

KX500 from 1988 thru 2004