SKU: SKU: EDE61595
The Edelbrock #61595 Performer Pontiac Cylinder Head utilize a D-Port exhaust port configuration for use with standard D-port exhaust systems. They are designed for 1962-79 389, 400, 421, 428 and 455 c.i.d. V8 Pontiac engines with a 4.060" or larger bore. They feature optimized oil return passages for increased oil flow. The spark plug has been relocated closer to the exhaust valve for improved performance. This head is cast with extra thick port walls and a compact port size, making them ideal for CNC and hand porting. Complete cylinder head includes guide plates, rocker studs and high quality valvetrain for direct bolt-on application. Heat crossover is machined for 50-state emissions legal performance.
Edelbrock part #61595 Performer Pontiac D-Port Cylinder Heads are designed for 1962-79 389, 400, 421, 428 and 455 c.i.d. V8 Pontiac engines with a 4.060" or larger bore. They feature optimized oil return passages for increased oil flow.
| Camshaft Type | Hydraulic Roller |
| Horsepower | 400-500 HJ |
| 9040 | D-215-94 |
| Guide Material | Manganese Bronze |
| Exhaust Port Location | Standard |
| Family | Performer |
| Intake Valve Diameter | 2.11 IN |
| Rocker Arm Stud Diameter | 0.4375 IN |
| Exhaust Runner Volume | 145 CCM |
| Valve Stem Diameter | 0.3438 IN |
| Push Rod Diameter | (Suggested) 0.3125 IN |
| Deck Thickness | 0.625 IN |
| Seat Material | Ductile Iron |
| Construction Type | Complete |
| Exhaust Valve Diameter | 1.66 IN |
| EGR Port | Yes |
| Series | Performer |
| Quantity | Sold Individually |
| Retainer Included | Yes |
| Valve Spring Diameter | 1.46 IN |
| Valve Spring Maximum Lift | 0.575 IN |
| CNC Ported | Yes |
| Valve Angle | 14 DD |
| Seat Angle | Exhaust 45 deg/Intake 45 DD |
| 8788 | Yes |
| 10024 | Yes |
| 8789 | Yes |
| 10025 | Yes |
| 10252 | Chromoly Steel |
| 10583 | No |
| 10261 | No |
| 10671 | Yes |
| 30 | No |
| 10 | Aluminum |
| 6627 | 204 CCM |
| 6635 | 31-6156 |
| 6634 | Yes |
| 6636 | Chromoly Steel |
| 3390 | Performance |
| 6621 | 10.25 IN |
| 10582 | No |
| 6626 | 72 CCM |
| 306 | Yes |
| 9799 | Yes |
| Valve Lock Material | Steel |
| Guide Plate Material | Hardened Steel |
California Prop 65 Warning: 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.