NEW YAMAHA OEM NOS PISTON RINGS / 278-11610-21 .50 OVER / R5 R5B R5C

1970-72 YAMAHA R5,R5B,R5C,RINGS 2ND OVERSIZED 0.50 NOS OEM P/N 278-11610-21

278-11610-21 NOS Yamaha Piston Rings 2nd OS 0.50 mm 1970 R5 1971 R5B W3742

NOS OEM NEW ORIGINAL Yamaha 1970-72 R5 Piston Rings .50 278-11610-21

Yamaha R5 piston rings new 278 11610 21

NOS 1970-72 YAMAHA R5 350 2ND OVER .50 PISTON RINGS 278-11610-21-00

OEM Yamaha Piston Rings 278-11610-21

Yamaha R5 piston rings new 278 11610 21