This is a top overhaul kit featuring 2 new aftermarket pistons for the 447 ultralight aircraft engine, moly coated & hard crowned for low friction w/dual 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.
These are becomming hard to get, get while they last.
Smoother running due to better balance, stonger and better heat transfer. These are hard anodized crowned and feature moly coated skirts for reduced 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 67.75 mm 1st oversize bore 447 rotax.
International orders will be billed an additional $78. for express mail shipping via pay pal.