273 Crank pulley 4 grooves

Still looking for the 1965 273 4 groove crank pulley, and idler for waterpump to crank. Thank you
I have a 4 grove pulley I think it’s off of a 360 not sure here’s some pictures

720D19A5-5902-406E-896B-2720B0549AE8.jpeg

64BF7760-0F92-422E-B601-93FE66445BE5.jpeg

A4FA41DA-9AC2-466B-90A3-8D9AE22FCB84.jpeg