NEW Genuine Yamaha YDS1 NOS STANDARD SIZE Piston only 150-11631-00-96

NEW OEM YAMAHA 1968 YCS1 180 PISTON RINGS 1ST OVERSIZE .25 164-11601-10-00

NEW YAMAHA OEM NOS PISTON RINGS 437-11610-10 .25 OVER DT100 1974-75

GENUINE Honda NOS 13101-036-000 PISTON KIT

NOS OEM Piston Rings, Ring Set, +.25, 1st Over - Yamaha 1972 DT2, 1973 DT3

NOS OEM Piston & Rings +.25, 1st Over, 1967 1968 Yamaha YCS1 YCS1C 237-11635-00

Hastings .070 Over Piston Rings for 1985 Sportster!

Yamaha NOS First Oversize YJ1 YJ2 Piston Rings 113-11610-11 1st OS .25