parking brake cable woes 72 k-10

[ncgamedog]

Im having a heck of a time finding parking brake cables for my project. Its a 72 frame and axles, dana 44 and 12 bolt rear. They are the original axles and the frame is a confirmed 72 frame by the serial numbers. Its a LWB truck. I found a NAPA part number UP92416 and got those. Everything looked and installed right except for the cable housing is abt 3-4 inches short of being able to hook into the factory brackets on the frame. The cable I have measures 29" for the housing. I need the housing to be abt 35-38" long. LMC doesn't list anything and none of the FLAPS do. NAPA list a cable for a 69 that seems to have the right dimensions, but they can only locate 1 nation wide! Can someone help????
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Its also stock height, no lift