Chrysler BB B/RB 383-440Advertised Duration: 269/269Duration @ .050": 237/237Valve Lift w/1.50 Rockers: .555/.555Lobe Separation Angle: 110Intake Centerline: 106Valve Lash: .022/.0222400-6000. Fair idle, street/strip, strong useable low end torque, 10.5:1, 3500+ stall suggested.
Chrysler BB B/RB 383-440Advertised Duration: 277/277Duration @ .050": 245/245Valve Lift w/1.50 Rockers: .585/.585Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: .022/.0222800-6200. Hot street/strip, excellent mid-range torque, needs 3500+ stall, good exhaust, 800+ cfm.
Chrysler BB B/RB 383-440Advertised Duration: 277/285Duration @ .050": 245/253Valve Lift w/1.50 Rockers: .600/.600Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: .022/.0222800-6300. Lopey idle, hot street/strip, serious mid-range performance, 3200+ stall, 10.0:1 CR.
Chrysler BB B/RB 383-440Advertised Duration: 285/291Duration @ .050": 253/259Valve Lift w/1.50 Rockers: .600/.585Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: .022/.0223000-6400. Rough idle, hot street/bracket, strong mid-range horsepower.
Chrysler BB B/RB 383-440Advertised Duration: 289/299Duration @ .050": 257/267Valve Lift w/1.50 Rockers: .600/.600Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: .022/.0223000-6700. Good bracket cam, good mid-range torque, needs 3500+ stall & good intake.
Chrysler BB B/RB 383-440Advertised Duration: 291/295Duration @ .050": 259/263Valve Lift w/1.50 Rockers: .640/.640Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: .022/.0223200-6800. Rough idle, pro street/bracket, strong mid-range, 11.0:1+ CR, 3500+ stall & good intake.
Chrysler BB B/RB 383-440Advertised Duration: 295/301Duration @ .050": 263/269Valve Lift w/1.50 Rockers: .675/.650Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: .022/.0223600-7000. Rough idle, bracket/super street, light to mid weight car, 4500+ stall, 11.5:1 CR.
Chrysler BB B/RB 383-440Advertised Duration: 295/307Duration @ .050": 263/275Valve Lift w/1.50 Rockers: .640/.630Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: .022/.0223600-7200. Strong mid & upper end torque & horsepower, needs 12.5:1 CR-up.
Chrysler BB B/RB 383-440Advertised Duration: 303/307Duration @ .050": 271/275Valve Lift w/1.50 Rockers: .625/.630Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: .022/.0223800-7400. Good mid to upper end power, needs 12.0:1+ CR, 4500+ stall.
Chrysler BB B/RB 383-440Advertised Duration: 307/307Duration @ .050": 275/275Valve Lift w/1.50 Rockers: .630/.630Lobe Separation Angle: 106Intake Centerline: 102Valve Lash: .022/.0224000-7600. 440 CID, bracket special, strong mid-range, 12.0:1+ CR, 4500+ stall.
Chrysler BB B/RB 383-440Advertised Duration: 307/307Duration @ .050": 275/275Valve Lift w/1.50 Rockers: .630/.630Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: .022/.0224000-7600. Super gas/super street in 383ci, strong mid-range, 12.5:1+ CR, 4500+ stall.
Chrysler BB B/RB 383-440Advertised Duration: 313/315Duration @ .050": 281/283Valve Lift w/1.50 Rockers: .675/.645Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: .022/.0224200-7800. Super gas/super comp, needs 4500+ stall, 12.5:1+ CR, good intake.