Valve Seat Insert Replacement Dimensions

VALVE SEAT INSERT AND CYLINDER HEAD BORE DIMENSIONS





Dimension D:
Intake
Normal 49.090 - 49.100 mm (1.9326 - 1.9331 in)
Pre-turning 50.3 mm (1.98 in)
Exhaust
Normal 42.090 - 42.100 mm (1.6571 - 1.6575 in)
Pre-turning 43.3 mm (1.70 in)

Dimension D1:
Intake 42.0 mm (1.65 in)
Exhaust 35.0 mm (1.38 in)

Dimension D2:
Intake
Normal 49.000 - 49.016 mm (1.9291 - 1.9298 in)
Repair Stage 50.0 mm (1.97 in)
Exhaust
Normal 42.000 - 42.016 mm (1.6535 - 1.6542 in)
Repair Stage 43.0 mm (1.69 in)

Dimension H:
Intake 7.910 - 8.000 mm (0.3114 - 0.3150 in)
Exhaust 7.910 - 8.000 mm (0.3114 - 0.3150 in)

Dimension t:
New Value 8.0 mm (0.32 in)