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

NOS OEM Yamaha Piston Ring Set 0.50 1970-1972 350 R5 Street 278-11610-21

Yamaha OEM New piston rings 278-11610-21 #3313

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

1970-1972 Yamaha R5 Piston Rings .50 MM ,2nd,278-11610-21

NOS Yamaha R5 Piston Ring Set 2nd Oversize (0.50) 278-11610-21-00

NOSYamaha 1970 1971 1972 R5 2ND O/S 0.50mm Piston Ring Set PN:278-11610-21

NOS Yamaha 1970-72 R5 Piston Rings 1.00 278-11610-41