1968-70 YAMAHA AS2C YAS1C 2ND OVERSIZED 0.50 MM RING SET NOS OEM # 183-11601-21

NOS Yamaha AS2 YAS1 .50 2nd O/S Piston Rings PART# 183-11601-21

NOS OEM YAMAHA PISTON RINGS .50 O/S YAS2C YAS1 183-11601-21

NOS Yamaha 1969-71 DT1 .50 Oversize Piston Ring for 1 Piston = 1 Ring

NOS Yamaha YDS3 YDS5 .50 Oversize Piston Ring Set for 1 Piston 156-11601-20

NOS Yamaha 1968-69 YG5 .50 Oversize Piston Ring Set for 1 Piston = 2 Rings

NOS Yamaha OEM 1st O/S Piston Ring Set 1968 YAS1C 1969 AS2C 183-11601-21

NOS Yamaha 1968 YAS1 .50 Oversize Piston Ring Set for 1 Piston 183-11601-20