There is one kit for the '66 Chevy C20 long bed, fleetside, however the species (southern yellow pine or red oak) offers a few options, as well as the type (steel or stainless steel) & fininsh (bare, unpolished or polished) of the wear strips & mounting hardware.
Mar-K (Oklahoma City, OK) is an excellent source for the kit, however since you are in CA, it may be more economical, to purchase the kit from The Truck and Car Shop, Brothers or another CA vendor, in order to save on shipping.
If you have any questions, we have installed many wood bed kits and are well-versed at the process. We use Classic Parts, formerly Chevy Duty, since they are in the Kansas City metro, so we can pick up the kit, to save the shipping costs.
