318 replacement cams....
Safe Bet,
Mopar #P4452759
.430" /.450" Lift ~ 260*/268* Duration ~ 44* Overlap ~ 110* Centerline
* Duration @ .050" = 221*/228*
Smooth Idle and Low-Speed Torque
You can still use the 318 Valve Springs, as long as you keep it under 4800 RPM's.