Some info that may be helpful for Sweet Hearts.
If only a few posts needed ask Pinball Resource for used. They clean up.
Pinball resource has some NOS hardware like screws etc. used on the playfield
Pinball resource has signature part for the ends of the lock down bar. Old ones are rough after all this time.
Pinball resource has new coin doors and all the metal buttons, plugs for them. Also new flipper buttons.
Side rails are not reproduced that I have been able to find. Pinball resource has the nails.
Pinball resource has plastic lane guides, pop caps, beehive shooter in white or red.
bgresto.com will make a backglass for Sweet Hearts. It is Gorgeous. http://bgresto.com/?p=1002
www.preservationpinball.com does cabinet/ head painting and restoration. Goes by Paintpins on pinside.
Have tried multiple times over months to contact pinball rescue about plastics. They do not respond.
Was my first game out of the neighbors trash in about 1977.