Product Line: Hydraulic Flat Tappet. Assembly Specifications Max Lift.580 Coil Bind.740 Intake Install: 130lbs @ 1.8 Exhaust Install: 130lbs @ 1.8 Closed Sear Pressure: 125lbs Open Seat Pressure: 320lbs The Speedmaster Ford Cleveland cast irone heads are a perfect upgrade for both 2 and 4 barrel engines.
