I have a 60+61 K10s, all have hydraulic clutchs. I just looked up the part numbers in my Chevrolet parts books and it does state a Different " Support Assembly, Front part number 3771503" for 4x4 only V8 trucks and 3770820 for six cylinder. Problem is it does show what it looks like
Last edited by GMC Collector; 01/10/2011 6:40 PM.
