For Sale is a set of NEW OLD STOCK genuine McCulloch crankshaft seals.
This fits:
McCulloch Pro Mac 10-10, 55, 555, and Pro Mac 10-10S
McCulloch Pro Mac 610/650/605/3.7/3.4/Timber Bear/ Eager Beaver 3.7/ 5700/ 3420
This has been on the shelf for at least 20 years so it has some evidence of age, but will function as it should.
This may fit many more McCulloch saws so please ask about your application.
Check out my store for more parts your McCulloch saw.