Kits contain 2 slider bushings, 2 leg bushings along with copper washer, o-rings and fork seal snap rings.Dyno tested 500,000 strokes with less wear than OEM.This item fits the following vehicle applications:compatible with Suzuki RM125 1990compatible with Suzuki RM250 1989-1990compatible with Suzuki RMX250 1990compatible with Yamaha YZ125 1989-1990