This is the correct hubcap for a 3600 series truck not mine (they are expensive not repopped)
http://www.ebay.com/itm/NOS-1954-Che...BYK21t&vxp=mtr. Will not mount to newer bump type wheels, you'll will need clips. Whitdog76 posted a link to the clip installation to modern wheel page. IMO, blackwalls look better on 3/4 ton trucks. Just add silver ring to outer edge of a gloss black wheel to simulate the old school lock ring.