K 3500 Truck 4WD V8-5.7L VIN R (1998)
Valve: Specifications
Valve Face Angle .............................................................................................................................................................................................. 45 degrees
Valve Head Edge Margin ......................................................................................................................................................... 0.79 mm (0.031 inch) Min
Valve Lash ................................................................................... Rotate The Valve Rocker Arm Nut Clockwise 360 degrees (1 Turn) From Zero Lash
Valve Stem Clearance
Exhaust - Production ................................................................................................................................... 0.025 - 0.069 mm (0.0010 - 0.0027 inch)
Intake - Production ...................................................................................................................................... 0.025 - 0.069 mm (0.0010 - 0.0027 inch)
Exhaust - Service ......................................................................................................................................... 0.025 - 0.094 mm (0.0010 - 0.0037 inch)
Intake - Service ........................................................................................................................................... 0.025 - 0.094 mm (0.0010 - 0.0037 inch)
Valve Stem Diameter ........................................................................................................................................ 8.661 - 8.679 mm (0.3410 - 0.3416 inch)
