Chevrolet Gen III/IV LS-Series 3-Bolt
Cam Series: American Muscle
Advertised Duration: 274/285
Duration @ .050": 226/236
Valve Lift w/1.70 Rockers: .525/.525
Lobe Separation Angle: 113
Intake Centerline: 109
Valve Lash: Hyd./Hyd.
1900-7300. Same as #197715-10 with wider separation for easier tune-ability & smoother power band.

Chevrolet Gen III/IV LS-Series 3-Bolt
Advertised Duration: 250/256
Duration @ .050": 204/210
Valve Lift w/1.70 Rockers: .525/.525
Lobe Separation Angle: 114
Intake Centerline: 110
Valve Lash: Hyd./Hyd.
800-5000. Good increase over stock in mid to upper end, may need programmer for best results.

Chevrolet Gen III/IV LS-Series 3-Bolt
Advertised Duration: 259/265
Duration @ .050": 207/213
Valve Lift w/1.70 Rockers: .556/.566
Lobe Separation Angle: 114
Intake Centerline: 110
Valve Lash: Hyd./Hyd.
1000-5800. Big torque in 4.8L, 5.3L, or 5.7L hi lift version 192705-14.

Chevrolet Gen III/IV LS-Series 3-Bolt
Advertised Duration: 255/261
Duration @ .050": 208/214
Valve Lift w/1.70 Rockers: .525/.525
Lobe Separation Angle: 114
Intake Centerline: 110
Valve Lash: Hyd./Hyd.
1000-5600. Big torque in 4.8L, 5.3L, or 5.7L, needs good intake and exhaust.

Chevrolet Gen III/IV LS-Series 3-Bolt
Advertised Duration: 260/264
Duration @ .050": 210/214
Valve Lift w/1.70 Rockers: .595/.598
Lobe Separation Angle: 114
Intake Centerline: 110
Valve Lash: Hyd./Hyd.
1000-5800. High lift short duration design, great throttle response.

Chevrolet Gen III/IV LS-Series 3-Bolt
Advertised Duration: 261/267
Duration @ .050": 214/220
Valve Lift w/1.70 Rockers: .525/.525
Lobe Separation Angle: 112
Intake Centerline: 108
Valve Lash: Hyd./Hyd.
1400-6000. Great for street rod transplant with 5-3-5.7L, good all around performance.

Chevrolet Gen III/IV LS-Series 3-Bolt
Advertised Duration: 269/278
Duration @ .050": 216/224
Valve Lift w/1.70 Rockers: .551/.551
Lobe Separation Angle: 114
Intake Centerline: 110
Valve Lash: Hyd./Hyd.
1200-6200. Aggressive street/strip, upper torque & horsepower.

Chevrolet Gen III/IV LS-Series 3-Bolt
Advertised Duration: 272/278
Duration @ .050": 216/224
Valve Lift w/1.70 Rockers: .553/.553
Lobe Separation Angle: 117
Intake Centerline: 113
Valve Lash: Hyd./Hyd.
1400-6400. Street/strip, great mid to upper end power, 9.5:1+ CR, best with minor tune.

Chevrolet Gen III/IV LS-Series 3-Bolt
Advertised Duration: 270/270
Duration @ .050": 218/218
Valve Lift w/1.70 Rockers: .604/.604
Lobe Separation Angle: 113
Intake Centerline: 109
Valve Lash: Hyd./Hyd.
1500-6500. Good drivability with great mid-range power, also good in turbocharged applications.