Chrysler BB B/RB 383-440Cam Series: American MuscleAdvertised Duration: 260/268Duration @ .050": 206/208Valve Lift w/1.50 Rockers: .434/.434Lobe Separation Angle: 113Intake Centerline: 110Valve Lash: Hyd./Hyd.1400-5000. Near duplicate of the Chrysler 365HP/440 cam (#2532190).
Chrysler BB B/RB 383-440 1959-1980 Cam Series: Street Force
Advertised Duration: 269/277Duration @ .050": 215/223Valve Lift w/1.50 Rockers: .445/.465
Lobe Separation Angle: 112Intake Centerline: 1081400-5200. Street Force 2, Good idle & throttle response. Needs 4 barrel & good exhaust.
Chrysler BB B/RB 383-440Advertised Duration: 263/263Duration @ .050": 209/209Valve Lift w/1.50 Rockers: .420/.420Lobe Separation Angle: 111Intake Centerline: 107Valve Lash: Hyd./Hyd.800-4800. Smooth idle, strong low end, high vacuum, good fuel economy.
Chrysler BB B/RB 383-440Advertised Duration: 267/267Duration @ .050": 213/213Valve Lift w/1.50 Rockers: .450/.450Lobe Separation Angle: 111Intake Centerline: 107Valve Lash: Hyd./Hyd.1000-5000. Super low & mid-range performance, good idle.
Chrysler BB B/RB 383-440Advertised Duration: 267/267Duration @ .050": 220/220Valve Lift w/1.50 Rockers: .506/.506Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: Hyd./Hyd.1600-5400. Good low & mid range horsepower, needs 4 barrel & headers.
Chrysler BB B/RB 383-440Advertised Duration: 271/281Duration @ .050": 224/234Valve Lift w/1.50 Rockers: .518/.543Lobe Separation Angle: 112Intake Centerline: 108Valve Lash: Hyd./Hyd.1800-5400. Fair idle, hot street & mild bracket racing, strong mid-range.
Chrysler BB B/RB 383-440Advertised Duration: 277/283
Duration @ .050": 230/236
Valve Lift w/1.50 Rockers: .531/.547
Lobe Separation Angle: 110
Intake Centerline: 106
2400-6200. Lopey idle, strong mid range. Good throttle response. 2400+ stall.
Chrysler BB B/RB 383-440Advertised Duration: 289/289Duration @ .050": 235/235Valve Lift w/1.50 Rockers: .488/.488Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: Hyd./Hyd.2600-6400. Runs strong 3500 & up , 9.5+ comp., auto ok with gears.
Chrysler BB B/RB 383-440Advertised Duration: 285/289Duration @ .050": 238/242Valve Lift w/1.50 Rockers: .555/.562Lobe Separation Angle: 108Intake Centerline: 104Valve Lash: Hyd./Hyd.2800-6600. Lopey idle, hot street/bracket, good mid-range power band.
Chrysler BB B/RB 383-440 1959-1980
Advertised Duration: 297/305
Duration @ .050": 243/251
Valve Lift w/1.50 Rockers: .519/.540
Lobe Separation Angle: 109
Intake Centerline: 105
3000-6800. Hot pro street/brackets. Strong mid-range, needs 11.0-1 CR-up.
Advertised Duration: 295/301
Duration @ .050": 248/254
Valve Lift w/1.50 Rockers: .578/.590
Lobe Separation Angle: 108
Intake Centerline: 104
3400-7200. Rough idle, hot street/bracket, strong mid & top end performance.