Read this thread. I just got done (I hope) dealing with this problem.
http://www.sccoa.com/forums/showthread.php?118747-BHJ-Broken-crank-pulley-bolts
thanks for the response. wish i knew i had to use shorter bolts for the (bhj) guess i will be taking it back to the shop that put it in. how long can i continue to drive it with only 3 bolts in the pulley?