Mark,

Send a PM to KCMongo. He sells a replacement/reproduction set of those strips and split pins. His set/parts look very nice.
https://www.stovebolt.com/ubbthreads/ubbthreads.php/users/335.html

Does anyone know if those strips/pins were used on all 47-55 years' Suburbans (GMC & Chevrolet).

Has anyone found a listing of those parts in a Master Parts Book.