On the StealthStarter Kickdrive there's no built-in solenoid as on other Harley starter motors. In order for the high starting currents no to pass via the handlebar push-button, there's this here relay.
After extended market-research of the right part for our aims — which were not always completely non-destructive — we stayed with the one that we propose on this page. From a technical point of view this part is a true solenoid, the contact surface corresponding to an AGW 4 wire (~21 mm²). Since we equip the Cannonball StealthStarter with a slightlly smaller 16 mm² cable, you are absolutely on the safe side with this relay.

The Clutch Drive StealthStarters have an 8mm offset, compared to standard primary versions without the electric start. Hence the engine sprocket must be of the offset type as well.
But of course, these StealthStarter replacement sprockets fit anywhere where an 8 mm offset (5/16”) is required and a compensating sprocket is not needed. Available with taper or splines.