Will work in a 400 as well.

Mopar Purlple Shaft part number P4452783

Purple Shaft Cam & Lifter Kit
Adv. Duration: .268°/284°
Dr. @ .050'': 228°/241°
Lift: .450''/.458''
Centerline: 115°
Basic RPM: Idle-5800 RPM
Bolt Pattern: 1-Bolt