This is a aftermarket top overhaul kit featuring 2 new pistons, moly coated for low friction, rings, pins, circlips , full major overhaul gasket w/ crank seals kit as shown. This set exceeds the MFGs specs , Designed to replace the oem elkos in all respects.
Smoother running due to better balance, stonger and better heat transfer. These are hard anodized crowned (keeps the heat up top)and is 40% stronger and feature moly coated skirts to reduce friction and heat.
We run em in our trikes and use them in our shop for the past 10+ years
This is set is for 76.50 mm O/S bore 582 rotax. any head color
International orders will require that u pay via the paypal option and and additional express mail shipping charge of $88.00 that we will invoice you for separately after your purchase.