1969 Camaro 12 bolt posi rear end & 375HP Parts

[dlv4540]

I'm looking for a correct dated camaro 12 bolt posi rear end for a SS multileaf spring set up for a 1969 camaro built October 3rd week of 1968. I am looking for a 3.55, 3.73 or 4.11 code within the timeframe to be correct for the build of my car. Will consider one rebuilt or needing redone. I am also looking for the correct 4 speed flywheel,fan clutch along with the deep groove waterpump and crank pulley's. 330-770-2517