Chevrolet Small Block 262-400 Advertised Duration: 299/307 Duration @ .050": 267/275 Valve Lift w/1.50 Rockers: .645/.645 Lobe Separation Angle: 106 Intake Centerline: 102 Valve Lash: .022/.022 4400-8200. Small Base Circle, Competition use, good mid & upper horsepower, medium to high bank oval track.
Chevrolet Small Block 262-400 Advertised Duration: 299/307 Duration @ .050": 267/275 Valve Lift w/1.50 Rockers: .645/.645 Lobe Separation Angle: 108 Intake Centerline: 104 Valve Lash: .022/.022 4400-8200. Small Base Circle, Competition use, good mid & upper horsepower, medium to high bank oval track.