REAR DRIVE SPROCKET FOR McCULLOCH MACHINE SAWS + ROLLER CAGE AND PUMP CAGE FOR MODELS: MAC110, 130, 140 M.MAC 25, 30, 365, PM, 480, TITAN35, 40 P. MAC 310, 320, 330, 340, 364, 384, 494, 510, 3200, TITAN7, 500, 3516, 835AV DIMENSIONS: (A) BORE: 10 MM (B) OUTER DIAMETER: 73 MM (C) INTERNAL DIAMETER: 69 MM INCH WIDTH: 3/8" N TEETH: 7 CODE: 656052 ORIGINAL CODE: 240266 McCULLOCH VR