Valve, Intake/Exhaust

Valve Lifter Hydraulic Roller
Valve Rocker Arm Ratio 1.50:1
Valve Lash Non-Adjustable
Valve Face Angle (Intake) 45 degrees
Valve Face Angle (Exhaust) 45 degrees
Valve Seat Angle (Intake) 46 degrees
Valve Seat Angle (Exhaust) 46 degrees
Valve Runout (Intake) 0.5000 mm (0.0020 inch)
Valve Runout (Exhaust) 0.5000 mm (0.0020 inch)
Seat Width (Intake) 0.8900 - 1.5300 mm (0.0351 - 0.0603 inch)
Seat Width (Exhaust) 1.5700 - 2.3600 mm (0.0618 - 0.0930 inch)
Valve Protrusion (Intake) (This is a negative value, as the valve is recessed at the head) -0.8600 to -1.2200 mm (-0.0340 to -0.0480 inch)
Valve Protrusion (Exhaust) (This is a negative value, as the valve is recessed in the head) -0.8600 to -1.2200 mm (-0.0340 to -0.0480 inch)
Stem Clearance (Intake) 0.0260 - 0.0690 mm (0.0010 - 0.0027 inch)
Stem Clearance (Exhaust) 0.0260 - 0.0690 mm (0.0010 - 0.0027 inch)
Valve Spring Pressure (Closed) (Intake) 356 Nm @ 46 (80 lb. @ 1.80 inch)
Valve Spring Pressure (Closed) (Exhaust) 356 Nm @ 46 (80 lb. @ 1.80 inch)
Valve Spring Pressure (Open) (Intake) 1025 Nm @ 35.3 (230 lb. 1.40 inch)
Valve Spring Pressure (Open) (Exhaust) 1025 Nm @ 35.3 (230 lb. 1.40 inch)
Valve Spring Installed Height (Intake) 46 mm (1.8000 inch)
Valve Spring Installed Height (Exhaust) 46 mm (1.8000 inch)