N ntroffroad Newbie Joined Nov 9, 2005 Posts 4 Reaction score 0 Location northridge, CA Nov 9, 2005 #1 Does anyone know what the spring perch width is in the rear of a 72 K5 vs. a 78 K5? Thanks in advance.
Does anyone know what the spring perch width is in the rear of a 72 K5 vs. a 78 K5? Thanks in advance.
4X4HIGH 1 ton status GMOTM Winner Joined Dec 14, 2001 Posts 22,423 Reaction score 662 Location Fremont, CA. Nov 9, 2005 #2 They should both be the same at 2.5"
Stephen 1/2 ton status Moderator Vendor Joined Sep 15, 2000 Posts 4,669 Reaction score 1,602 Location Carbondale Colorado Nov 10, 2005 #3 If you mean the pad spacing on the axle, the early truck is 40.5 and the later model is 42.5.