Service Specifications

Surface Warpage:
Cylinder Head Gasket Surface 0.10 mm (0.0039 inch)
Exhaust Manifold Mount Surface 0.10 mm (0.0039 inch)
Intake Manifold Mount Surface 0.10 mm (0.0039 inch)
Valve Guide Bore:
Standard Guide 10.985-11.006 mm (0.4325-0.4333 inch)
Oversize Guide 11.035-11.056 mm (0.4344-0.4353 inch)
Lifter:
Bore Diameter 31.00-31.016 mm (1.2205-1.2211 inch)
Oil Clearance:
Standard Value 0.024-0.050 mm (0.0009-0.0020 inch)
Maximum Value 0.07 mm (0.0028 inch)
Valve Seat:
Seat Angle 45°
Upper Relief Angle 15°
Lower Relief Angle 60°
Seat Width:
Intake 1.0-1.4 mm (0.0390-0.0550 inch)
Exhaust 1.2-1.6 mm (0.0470-0.0630 inch)





Bolt re-usability
Standard outside diameter 10.8-11.0 mm (0.425-0.433 inch)
Minimum outside diameter 10.7 mm (0.421 inch)