Swap meet scores . . . washed, blown, blasted, blown, solvent washed, blown, soapy washed, hot water rinsed, blown . . . it makes nice parts again. It's a good system. S&S B body will get the adjustable air bleed modification in the side (lower left of the cast-in-letter B) I think the oil pump body might be NOS?
Original S&S backing plates are getting scarce. $10 manifold was a no-brainer.