Chrysler SB LA 273, 340, 360 1964-2003, 318 1967-1991 Advertised Duration: 272/278 Duration @ .050": 219/225 Valve Lift w/1.50 Rockers: .525/.525 Lobe Separation Angle: 110 Intake Centerline: 106 Valve Lash: Hyd./Hyd. 1600-5600. Good idle, performance street, good low to mid-range torque. 9.0:1+ CR, 2200+ stall. |