OS ENGINE 10D,10F,20A,20B,20E,21B,20K O RING (L) 46066319 O.S. O-Ring Large FS90IIS INCLUDES -Two o-rings. SPECIFICATIONS: -Outside diameter: 6mm -Inside diameter: 2mm

OS ENGINE 10D,10F,20A,20B,20E,21B,20K O RING (L) 46066319This is the large mixture control valve o-ring for the O.S. 2S and 2SB carbs. This is also the bottom pushrod o-ring for the FS-90 four stroke engine. INCLUDES -Two o-rings. SPECIFICATIONS: -Outside diameter: 6mm -Inside diameter: 2mm