Making SBP Indy Aluminum Slot Caps

8B012C5E-5327-4AF2-9F38-7778D8F88CBC.jpeg C6727E7D-CA90-4F4A-B6E3-D369A48CA2E4.jpeg When I bought a custom ‘69 Barracuda in 2004 with 14x7 Indy aluminum slot mags it still had 2 of the caps. Both are old and look to be modified by the factory to fit 4” lugs.