| Rocker Stud Diameter | 0.4375 |
| Guide Material | Manganese Bronze |
| Exhaust Runner Volume | 110 |
| Assembled | Yes |
| Valve Included | Yes |
| Valve Angle | 26 |
| Deck Thickness | 0.5625 |
| Deck Height | 9.8 |
| Guide Plates Included | Yes |
| Guide Plate Material | Hardened Steel |
| Horsepower | 500-600 |
| Valve Spring Maximum Lift | 0.650 |
| Intake Runner Volume | 315 |
| Valve Spring Diameter | 1.50 |
| Valve Seals Included | Yes |
| Retainer Included | Yes |
| Seat Material | Ductile Iron |
| Camshaft Type | Hydraulic Roller |
| Valve Springs Included | Yes |
| Push Rod Diameter | (Suggested) 0.375 |
| Rocker Arm Stud Diameter | 0.4375 |
| Head Casting Number | N/A |
| Quantity | Sold Individually |
| Mounting Hardware Included | No |
| Intake Valve Diameter | 2.25 |
| Material | Aluminum |
| Exhaust Port Location | Standard |
| Seat Angle | Exhaust 45 deg/Intake 45 |
| EGR Port | No |
| Series | Performer RPM |
| Combustion Chamber Volume | 118 |
| Flange Type | Rectangle Intake |
| Valve Lock Material | 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. |
| Family | Performer RPM |
| Valve Stem Diameter | 0.3438 |
| Construction Type | Complete |
| Grade Type | Performance |
| Exhaust Valve Diameter | 1.89 |
| Part Terminology | Engine Cylinder Head |