B&S #499996 Ring Set 10-11Hp Vert & Horiz Small Engine - Single Cylinder 2-6HP Gear reduction ratio: 4

Gear reduction ratio: 4

Height Inside Diameter Outside Diameter 1 59⁄64" (49mm) 11⁄16" (17mm) 5 7⁄8" (149mm)

OEM Part No: D-3885

also use 15-15153

Fits Masport models 12

B&S #499996 Ring Set 10-11Hp Vert & Horiz Small Engine - Single Cylinder 2-6HP Gear reduction ratio: 4OEM Part No: 499996, 391780, 394665 Fits Briggs & Stratton 220000, 251000, 252000, 253000 series. 10 & 11 hp horiz. and 11 hp vertical. For our 18 40 2246 piston assembly. Oil Ring Thickness 5mm. For 2. 5mm Oil Ring use Ring set #13 696403. Fits models 220416, 220431, 220432, 220435, 220437, 220702, 220705, 220706, 220707, 221431, 221432, 221433, 221435, 221436, 221437, 221452, 221457, 222412, 222413, 222416, 222417, 222496, 251702, 251705, 251707,