HYDRAULIC: High performance street, strong mid-range, modified applications, choppy idle.Lifter TYpe: Hydraulic LifterEngine Family: Cadillac 425, 472, 500 c.i. 8 CYL. 1963-1979SpecificationsRPM Range: 1500 to 5500Valve Timing: 0.006Lobe Separation: 110°Intake Centerline: 106°Vehicle Fitments: Year Make...