Cylinder Head Gasket Selection Specifications
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Cylinder Head Gasket Selection Specifications
| Cylinder Head Gasket Grade | Ti max (Piston Projection) | Gasket Thickness | ||
|---|---|---|---|---|
| Metric (mm) | English (in) | Metric (mm) | English (in) | |
| Grade A (No grade hole on the gasket) | Over 0.223 - less than 0.274 | Over 0.0088 - less than 0.0108 | 0.90-1.00 | 0.0354-0.0394 |
| Grade B (One grade hole on the gasket) | Over 0.274 - less than 0.325 | Over 0.0108 - less than 0.0128 | 0.95-1.05 | 0.0374-0.0413 |
| Grace C (Two grade holes on the gasket) | Over 0.325 - less than 0.376 | Over 0.0128 - less than 0.0148 | 1.00-1.10 | 0.0394-0.0433 |