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 R5 piston rings new 278 11610 21

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

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

NOS Yamaha 1970-72 R5 .50 Oversize Piston Rings for 1 Piston= 4 Rings

OEM Yamaha Piston Rings 278-11610-21

YAMAHA R5 R5B R5C 1970-72 PISTON RING SETS 2ND OS. OEM 278-11610-21-00