Need help choosing a cam 1969 340

My son just bought a new cam for my Demon motor. It was 3 speed with AC. we got the factory grind cam from Engine Tech. The intake IN. lift 420 . The EX lift 444 . Dur. is 204 215 @50 .. Cam price PN BS1089R. $57.73 lifters $32.80, It is a replacement cam for 68-73 340 auto. Less then $100.00 our cost