Cal Custom vintage aluminum valve covers for small block Chevrolets with a straight bolt pattern, original part casting number 40-2000 and most likely date to the 60's-70's, these are in very good condition with no cracks, repairs or modifications, the finish is very good with some oxidation but not corrosion that leaves pits behind, overall these are nice straight valve covers that you can detail to your desired level of luster but these could be installed as-is and would look great, flat rate shipping to the lower 48 states only others please inquire, thanks for looking and please check out the other items in our eBay store.