Edelbrock Performer D-port Complete 72cc
The Edelbrock #61599 Performer Pontiac Cylinder Heads 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. These heads are 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.
SPECS
Application | Universal |
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Installation Notes |
EQUIPPED WITH SPRINGS FOR USE IN HYDRAULIC FLAT TAPPET CAMSHAFT APPLICATIONS
|
Combustion Chamber Volume | 72.0 cu.in |
Deck Height | 10.250 in |
Deck Thickness | 0.625 in |
Exhaust Valve Diameter | 1.660 in |
Guide Plates Included | Yes |
Intake Runner Volume | 204.0 cu.in |
Intake Valve Diameter | 2.110 in |
Material | Aluminum |
Push Rod Diameter | 0.312 in |
Rocker Stud Diameter | 0.437 in |
Valve Angle | 14 deg |
Valve Spring Diameter | 1.460 in |
Valve Spring Maximum Lift | 0.575 in |
Valve Stem Diameter | 0.341 in |