Chevrolet Small Block 262-400 Advertised Duration: 299/299 Duration @ .050": 245/245 Valve Lift w/1.50 Rockers: .510/.510 Lobe Separation Angle: 109 Intake Centerline: 105 Valve Lash: Hyd./Hyd. 3400-6700. Small Base Circle, Hot street/brackets, needs 10:0:1+ CR, good heads & exhaust, 3500+ stall. |