difference between a 383 hp and a 383

[crazyboutwagons]

so can someone tell me the differnce between a 68 383hp motor that was original to a 68 plymouth wagon and a non hp 383

 

[Moparjohn]

383 HP has hp exhaust manifolds, bigger cam, windage tray, and 4bbl/ dual exhaust. MPJ

 

[crazyboutwagons]

thanks for info