Chrysler BB B/RB 383-440Advertised Duration: 315/315Duration @ .050": 283/283Valve Lift w/1.50 Rockers: .645/.645Lobe Separation Angle: 106Intake Centerline: 102Valve Lash: .022/.0224600-8200. 11:1+ upper mid-range & top end power, 440+ CID.
Chrysler BB B/RB 383-440Advertised Duration: 315/315Duration @ .050": 283/283Valve Lift w/1.50 Rockers: .675/.675Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: .022/.0224600-8000. 11:1+ upper mid-range & top end power, 440+ CID.