This is a aftermarket kit featuring 2 new pistons, oem style w/dual rings, pins, circlips as shown. This set exceeds the MFGs specs , Designed to replace the oem in all respects.
Smoother running due to better balance, stonger and better heat transfer. We run em in our trikes and use them in our shop for the past 10+ years
This is set is for 60 mm std bore 340 kawasaki twin.
