440 Camshaft recommendations for up to 6-6,500 rpm?

BullyDodge said

According to Jegs:
Advertised Duration: 268°/284°

• Centerline: 115°

• Lift: .450"/.458"

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Yeah, that's the cam I was thinkin with the RPM range he quoted. That's the Road Runner cam.....but he said he has .550 lift.