The painkiller bridge, while very dissimilar from it all told, is the most EMG 81-like BK. Its the ballance of the EQ (the PK has more mids-mids though, but similar high-mids), ultra-tight, but not overblown bass and extreme attack in the high and high mids.
The PK is louder, more organic, much less comressed, more dynamic and full sounding though.