I had my 1974 duster drag car advertised here and Moparts, sold it on Facebook
Had my mega block advertised here and Moparts, sold it on Facebook
Had my 505 balanced big block assembly here and Moparts, sold it on Facebook.
B1 valve covers, comp roller lifters, and probably 30 other things sold on Facebook.
My last three head and manifold porting jobs came from Facebook.