Oversized Piston Kit for Honda CB550K / CB550 | Common Motor Collective
Amazon.com : Lil Red Barn Two Sets of .010" Oversize Piston Rings Fits Kohler KT17,KT19, M18, M20, MV16, MV18, MV20 Engines,Replaces Kohler # 52-108-10-S Two Day Shipping to All 50 States! :
11-0192 - 3-1/2 Evolution Piston Ring Set .010 Oversize – Retrocycle, LLC