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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 Engine Cylinder Head 61599
Specifications:
| Grade Type | Performance |
| Intake Valve Diameter | 2.11 |
| Exhaust Valve Diameter | 1.66 |
| EGR Port | Yes |
| Material | Aluminum |
| Rocker Arm Stud Diameter | 0.4375 |
| Guide Plates Included | Yes |
| Exhaust Runner Volume | 145 |
| Quantity | Sold Individually |
| Retainer Included | Yes |
| Guide Plate Material | Hardened Steel |
| Construction Type | Complete |
| 9040 | D-215-94 |
| Exhaust Port Location | Standard |
| Camshaft Type | Flat Tappet |
| Valve Spring Maximum Lift | 0.575 |
| Head Casting Number | N/A |
| Guide Material | Manganese Bronze |
| Series | Performer |
| Family | Performer |
| Valve Included | Yes |
| Combustion Chamber Volume | 72 |
| Valve Spring Diameter | 1.46 |
| CNC Ported | Yes |
| Valve Stem Diameter | 0.3438 |
| Seat Material | Ductile Iron |
| Push Rod Diameter | (Suggested) 0.3125 |
| Deck Thickness | 0.625 |
| Valve Angle | 14 |
| Seat Angle | Exhaust 45 deg/Intake 45 |
| 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. |
| Horsepower | 400-500 |
| Intake Runner Volume | 204 |
| Valve Springs Included | Yes |
| Description_ABR | Cyl. Head |
| Description_INV | Edelbrock Pontiac Cylinder Head |
| Description_LAB | RPM CNC Pontiac D-Port Cylinder Head 72cc Hydraulic Flat Tappet Cam |
| Description_ASM | Pontiac:-:326 (5.3L)/350 (5.7L)/389 (6.4L)/400 (6.6L)/421 (6.9L)/428 (7.0L)/455 (7.4) |
| Description_EXT | 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. |
| Description_MKT | 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. |
| Description_TRA | EQUIPPED WITH SPRINGS FOR USE IN HYDRAULIC FLAT TAPPET CAMSHAFT APPLICATIONS |
| Description_TRA | Combustion Chamber: 72cc |
| Description_TRA | 350 c.i.d. engines may require notching the block for valve clearance. |
| Description_TRA | Three head bolt bosses are raised higher than the standard D-port heights and will require head bolt kit #8561 to install these heads. |
| Description_TRA | Deck thickness: 5/8" |
| Description_TRA | Rocker stud diameter: 7/16" |
| Description_TRA | Pushrod diameter: 5/16" (width of slot in guide plate). |
| Description_DEF | Engine Cylinder Head |