Cylinder Head Dimensions
Cylinder HeadLifter Bore Diameter (Intake and Exhaust)
Standard (New) 21.422-21.448 mm (0.8434-0.8444 inches)
Service Limit (Maximum) 21.45 mm (0.8445 inches)
Camshaft Bore Diameter
Standard (New) 44.475-44.500 mm (1.7510-1.7520 inches)
Service Limit (Maximum) 44.513 mm (1.753 inches)
Head Gasket Deck-to-Camshaft Cover Surface
Standard (New) 112.87-113.13 mm (4.444-4.454 inches)
Valve Guide Bore
Standard (New) 11.337-11.363 mm (0.446-0.447 inches)
Service Limit (Maximum) 11.368 mm (0.448 inches)
O.S. Guide Bore
Standard (New) 11.587-11.613 mm (0.456-0.457 inches)
Service Limit (Maximum) 11.613 mm (0.457 inches)