SIP Cosa race clutch. Features L rated 8 springs, upgradable to 16, banded basket, and reinforced circlip on the basket. This is the 22 tooth version for use with 65,67,68 tooth Piaggio primary. This clutch should be good for tuned engines up to 25 HP. This fits with the standard clutch cover. This works with Stella and 2005 PX150 sold here in the US and gives you a slight gearing increase. It acts as a downgear to a 200cc motor which is good for sidecar bikes.
