Cylinder Head Gasket Grade
Ti Max (Piston Projection)
Compressed Gasket Thickness
Metric (mm)
English (in)
Grade A
0.223 -0.274
0.0088 -0.0108
0.90-1.00
0.0354-0.0394
Grade B
0.274-0.325
0.0108-0.0128
0.95-1.05
0.0374-0.0413
Grade C
0.325-0.376
0.0128-0.0148
1.00-1.10
0.0394-0.0433
Block Over-Bored 0.010-0.030 in (0.254-0.762 mm)
0.223-0.376
0.0088-0.0148
Block Over-Bored 0.010-0.030 in (0.254-0.762 mm) and Deck Milled 0.008 in (0.203 mm)
0.4257-0.5777
0.0168-0.0228
1.25-1.35
0.0492-0.0532