Yamaha Yx600 Radian Intake Carb Manifold Boots 1990 1989 1988 1987 1986 The listing is for FOUR carb holders and gasket will fit : 2x 33M-13586-01-00 LH carb holder 2x 33M-13596-01-00 RH carb holder 4 x 3KM-13556-00-00 intake manifold gasket YX600S/SC~A/AC Radian 86-90