Originally Posted by
Jmuck69
Hideeho
I run these as well. The AE shims for the b4 (
http://www.amainhobbies.com/product_...lstud-Washer-8 ) &, from guestamits from the picture, the JC do not fit close to the threaded part of the ball stud allowing some play & more broken ball studs. The bulkhead shims fit very close & are wider than the base of the ball stud allowing a much more secure fit.
Plus they're blue