Standard brakes on a Cuda (second digit of VIN S) are 11" non-power drums.... Same for a Challenger R/T (second digit of VIN S)
Standard dash on a Cuda (second digit of VIN S) was the one eye monster Standard dash on a Challenger R/T (second digit of VIN S) was the Rally Dash..
Rear sway bar was part of the special handling package & wasn't available till mid 70...