The speedy-sleeve is a thin band of stainless steel that is a press fit over the balancer snout. It covers the groove left by thousands of miles of the front seal rubbing on the balancer hub, the one that chews up a new seal and causes oil leaks. The other option is to buy a new balancer.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!