Saturn Workshop Service and Repair Manuals

Valve Seat: Specifications

Angle (Intake and Exhaust)

Standard (New) .........................................................................................................................................................................................  44.55-45.5°
Service Limit (Maximum) ..............................................................................................................................................................................  44.5-45°

Width 

Intake

Standard (New) ..............................................................................................................................................  1.0-1.3 mm (0.0394-0.0512 inches)
Service Limit (Maximum) ..................................................................................................................................................  1.6 mm (0.063 inches)

Exhaust

Standard (New) ..............................................................................................................................................  1.3-1.6 mm (0.0512-0.0630 inches)
Service Limit (Maximum) ..................................................................................................................................................  1.9 mm (0.075 inches)

Outside Diameter

Intake

Standard (New) ....................................................................................................................................  41.573-41.599 mm (1.6377-1.638 inches)

Exhaust 

Standard (New) ......................................................................................................................................  35.073-35.099 mm (1.381-1.382 inches)

Bore (Cylinder Head)

Intake

Standard (New) ......................................................................................................................................  41.487-41.513 mm (1.633-1.634 inches)

Exhaust

Standard (New) ......................................................................................................................................  34.987-35.013 mm (1.377-1.378 inches)