wazzabie 1/2 ton status Premium Joined Apr 17, 2001 Posts 2,922 Reaction score 447 Location Washington State Dec 1, 2010 #1 The original 350 on a 78 K5 did it come with a one or two piece seal from the factory?
D DragonsBane Registered Member Joined Dec 28, 2005 Posts 47 Reaction score 0 Location Clifton, AZ Dec 1, 2010 #2 two piece
Hogback Fabrication 1 ton status Vendor GMOTM Winner Joined May 26, 2003 Posts 10,818 Reaction score 1,421 Location New Castle, CO Dec 3, 2010 #3 Two piece for sure
4X4HIGH 1 ton status GMOTM Winner Joined Dec 14, 2001 Posts 22,423 Reaction score 662 Location Fremont, CA. Dec 4, 2010 #4 2 piece rear seals were used from 1955-1985, 1986 and later are 1 piece rear seal.