5.7L (2 BBL.) GM 350 V-8 1996 [0F601000 THRU 0K001526] - Cat.# 90-81659696 1997 [0K001527 THRU 0K999999] - Cat.# 90-81659697 1998-2001 [0L010037 THRU 0M599999] - Cat.# 90-81659698