Cylinder Head Dimensions

Cylinder Head
Lifter Bore Diameter (Intake and Exhaust)
Standard (New) 33.000-33.025 mm (1.2992-1.3002 inches)
Service Limit (Maximum) 33.030 mm (1.3000 inches)
Camshaft Bore Diameter
Standard (New) 29.000-29.026 mm (1.141-1.142 inches)
Service Limit (Maximum) 29.05 mm (1.144 inches)
Head Gasket Deck-to-Camshaft Cover Surface
Standard (New) 112.87-113.13 mm (4.444-4.454 inches)
Camshaft Cover-to-Plug Well Surface
Standard (New) 130.90-131.10 mm (5.1535-5.1614 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)