Table 1-2. Repair and Replacement Standards -(Cont) Components Intake  valveS Valve lift (at valve) w/0.015 inch lash Valve lift (at cam) Seat angle Valve seat contact Valve lash (cold) Valve lash (engine temperatures Head  diameter Overall  length Stem diameter width coolant at normal operating Valve must be recessed in head Exhaust valve seat inserts: Seat angle Seat contact width Seat run-out Insert  press  fit Insert outer diameter not installed Bore in cylinder head for insert Depth of counterbore in cylinder head for insert (from bottom deck of head) Oversize  insert Intake  valve  seat: Seat angle Seat  width Seat  run-out Insert  press  fit Insert outer diameter not installed Manufacturer’s dimensions  and tolerances  in inches Minimum 1.834 0.3715 0.054 0.001 1.667 1.665 0.4735 0.005 0.001 1.811 Maximum 0.462 0.318 30° 3/32 0.018 0.015 1.844 6.016 0.3720 30° 3/32 0.002 0.003 1.668 1.666 0.4755 over standard 30° 3/32 0.002 0.003 1.812 Maximum allowable wear  and clearance ----- ----- 1/64 ----- ---- 0.010 0.010 0.001 ----- 1/64 ----- ----- ----- ----- 0.002 1/64 ----- ----- ----- 1-40