| Materials/Construction | Perforated steel core w/anti-stick coating |
| Mfg. | GM Performance |
| Heavy Duty Supplier | Yes |
| Port Size (in.) | 1.94 |
| Port Shape | Round |
| Prop 65 Label (Yes/No) | No |
| Material | Perforated steel core w/anti-stick coating |
| Engine Displacement | 396, 402, 427, 454, 502, 510, 540, 572 |
| Application Notes | Most Stock aluminum heads |
| Grade Type | Performance |
| Engine Family | Chevrolet V8 Big Block |
| Part Type | Exhaust Header/Manifold Gasket Set |
| Part Terminology | Exhaust Manifold Gasket Set |