Chevrolet Small Block 262-400 Cam Series: Street Force Advertised Duration: 259/269 Duration @ .050": 205/215 Valve Lift w/1.50 Rockers: .420/.455 Lobe Separation Angle: 112 Intake Centerline: 108 Valve Lash: Hyd./Hyd. 1000-5000. Street Force 1, good idle, mild street performance, strong low end torque.
Chevrolet Small Block 262-400 Cam Series: Street Force Advertised Duration: 259/269 Duration @ .050": 205/215 Valve Lift w/1.50 Rockers: .420/.455 Lobe Separation Angle: 112 Intake Centerline: 108 Valve Lash: Hyd./Hyd. 1000-5000. Small Base Circle, Street Force 1, good idle, mild street performance, strong low end torque.
Chevrolet Small Block 262-400 Cam Series: Street Force Advertised Duration: 269/279 Duration @ .050": 215/225 Valve Lift w/1.50 Rockers: .455/.465 Lobe Separation Angle: 112 Intake Centerline: 108 Valve Lash: Hyd./Hyd. 1200-5500. Small Base Circle, Street Force 2, Good idle & throttle response, needs 4 barrel & good exhaust.
Chevrolet Small Block 262-400 Cam Series: Street Force Advertised Duration: 289/294 Duration @ .050": 235/241 Valve Lift w/1.50 Rockers: .488/.503 Lobe Separation Angle: 112 Intake Centerline: 108 Valve Lash: Hyd./Hyd. 2200-6400. Small Base Circle, Street Force 4, Lopey idle, good mid-range power. Needs 3200+ stall.