NOS Yamaha OEM R5 R5B R5C Piston Ring Set, 2nd OVER 278-11610-21-00 FAST SHIP

New OEM Yamaha 278-11610-21-00 Piston Ring Kit NOS

NOS Yamaha 70’s R5 350 Piston Rings Set .50Over 278-11610-21-00 #390

NOS OEM YAMAHA PISTON RINGS RING SET 2ND OVER .50 R5 70-71 72 278-11610-21

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

YAMAHA R5 NOS OEM PISTON RING SET 2ND OVERSIZE 0.50 MM 278-11610-21-00

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

Yamaha NOS R5, R5B, R5C, Piston Ring Set, 2nd O/S, # 278-11610-21-00. d23a