SKU: SKU: EDE61599
The Edelbrock #61599 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 #61599 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.
| 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 |
| Intake Valve Diameter | 2.11 IN |
| Exhaust Valve Diameter | 1.66 IN |
| EGR Port | Yes |
| Rocker Arm Stud Diameter | 0.4375 IN |
| Exhaust Runner Volume | 145 CCM |
| Quantity | Sold Individually |
| Retainer Included | Yes |
| Construction Type | Complete |
| 9040 | D-215-94 |
| Exhaust Port Location | Standard |
| Camshaft Type | Flat Tappet |
| Valve Spring Maximum Lift | 0.575 IN |
| Guide Material | Manganese Bronze |
| Series | Performer |
| Family | Performer |
| Valve Spring Diameter | 1.46 IN |
| CNC Ported | Yes |
| Valve Stem Diameter | 0.3438 IN |
| Seat Material | Ductile Iron |
| Push Rod Diameter | (Suggested) 0.3125 IN |
| Deck Thickness | 0.625 IN |
| Valve Angle | 14 DD |
| Seat Angle | Exhaust 45 deg/Intake 45 DD |
| Horsepower | 400-500 HJ |
| 8788 | Yes |
| 10024 | Yes |
| 8789 | Yes |
| 10025 | Yes |
| 10252 | Chromoly Steel |
| 10583 | No |
| 10261 | No |
| 10671 | Yes |
| 30 | No |
| 10 | Aluminum |
| 6627 | 204 CCM |
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.