MS 661 R C-M Guide Bar

026, 028, 030, 031, 034, 038, 039, 041, 044, 046, 056, 066, MS 500i, MS 661 Magnum, MS260, MS260 C, MS261, MS261 C, MS270, MS270 C, MS290, MS310, MS311, MS341, MS360, MS360 C, MS361, MS361 C, MS362, MS362 C, MS390, MS440, MS441, MS441 C, MS460, MS650, Oregon Guide Bars