Cylinder Head Material: Aluminum. Part Type: Cylinder Head. Cylinder Head Style: Assembled. Cylinder Head Finish: Natural. Assembly Specifications Max Lift.550 Coil Bind.740 Intake Install: 130lbs @ 1.8 Exhaust Install: 130lbs @ 1.8 Closed Sear Pressure: 110lbs Open Seat Pressure: 300lbs.
