Power Sweet Slant Six 1971

just found this on summit and was curious if anyone has bought one or have any thoughts about it
Power Sweet Slant Six 1971 Plymouth Duster Induction, Ignition, and Exhaust Combos
Engine Power Sweet Slant Six 1971 Plymouth Duster Induction, Ignition, and Exhaust Combos SUM-CSUMEPSSS004