| Engine Make/Size | Olds 400-455 |
| Fitment | Vehicle Specific |
| Exh. Duration @ .050 in. (Deg) | 224 |
| Exh. Duration Advertised (Deg) | 298 |
| Exhaust Valve Lift (in) | 0.496 |
| Int. Duration @ .050 in. (Deg) | 214 |
| Int. Duration Advertised (Deg) | 288 |
| Intake Valve Lift (in) | 0.472 |
| Lifter Type | Hydraulic Flat Tappet |
| RPM Range | 0-6750 |
| Usage | Street/Performance |