Sentra SE-R Spec V L4-2.5L (QR25DE) (2002)
Valve Seat: Specifications
Cylinder head seat recess diameter Intake
Standard
36.500 - 36.516 mm
Service
37.000 - 37.016 mm
Exhaust Standard
31.500 - 31.516 mm
Service
32.000 - 32.016 mm
Valve seat interference fit
Intake
0.081 - 0.113 mm
Exhaust
0.084 - 0.116 mm
Valve seat outer diameter (d)
Intake
Standard
36.597 - 36.613 mm
Service
37.097 - 37.113 mm
Exhaust Standard
31.600 - 31.616 mm
Service
32.100 - 32.116 mm