Altima GXE L4-2.4L (KA24DE) (1999)
Valve Seat: Specifications
Cylinder Head Seat Recess Diameter (D)
Intake
Standard
37.500 - 37.516 mm
Service
38.000 - 38.016 mm
Exahust Standard
32.200 - 32.216 mm
Service
32.700 - 32.716 mm
Valve Seat Interference Fit
Intake
0.064 - 0.096 mm
Exhaust
0.064 - 0.096 mm
Valve Seat Outer Diameter
Intake
Standard
37.580 - 37.596 mm
Service
38.080 - 38.096 mm
Exhaust Standard
32.280 - 32.296 mm
Service
32.780 - 32.796 mm
Depth (H)
Intake
6.1 - 6.3 mm
Exhaust
6.1 - 6.3 mm
Height (h1)
Intake
Standard
5.8 - 6.0 mm
5.9 - 6.0 mm
Service
5.3 - 5.5 mm
Exhaust Standard
5.9 - 6.0 mm
Service
5.32 - 5.42 mm
Height (h2)
Intake
0.24 - 0.64 mm
0.34 - 0.64 mm
Exhaust
0.43 - 0.73 mm