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) ..........................................................................................................................................  0.79-1.23 mm (0.0394-0.0512 inches)
Service Limit (Maximum) ..............................................................................................................................................  1.66 mm (0.0653 inches)

Exhaust

Standard (New) ..........................................................................................................................................  1.05-1.49 mm (0.0512-0.0630 inches)
Service Limit (Maximum) ..............................................................................................................................................  1.92 mm (0.0756 inches)

Outside Diameter

Intake

Standard (New) ......................................................................................................................................  33.49-33.51 mm (1.3185-1.3193 inches)

Exhaust 

Standard (New) ..........................................................................................................................................  28.49-28.50 mm (1.121-1.122 inches)

Bore (Cylinder Head) 

Intake

Standard (New) ......................................................................................................................................  33.399-33.423 mm (1.315-1.316 inches)

Exhaust

Standard (New) ......................................................................................................................................  28.399-28.423 mm (1.118-1.119 inches)