| Push Rod Diameter | 0.375 |
| Rocker Stud Diameter | 0.437 |
| Rocker Arm Stud Diameter | 0.437 |
| Head Casting Number | 31-6045 |
| 9040 | D-215-94 |
| Deck Thickness | 0.562 |
| Valve Angle | 26 |
| Intake Valve Diameter | 2.190 |
| Material | Aluminum |
| Deck Height | 9.8 |
| CARB Executive Order Number | D-215-94 |
| Guide Plates Included | Yes |
| Combustion Chamber Volume | 100.0 |
| Guide Plate Material | Hardened Steel |
| CNC Ported | No |
| RGL | WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov. |
| Valve Spring Maximum Lift | 0.700 |
| Intake Runner Volume | 290.0 |
| Valve Spring Diameter | 1.500 |
| Valve Stem Diameter | 0.341 |
| Grade Type | Performance |
| Exhaust Valve Diameter | 1.880 |
| Part Terminology | Engine Cylinder Head |
