Edelbrock 61579 - Cylinder Head, Pontiac V8 D-Port, Performer D-Port, 87cc, Flat Tappet

The Edelbrock #61579 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.

• Manufactured with optimized oil return passages
• For improved flow
• Will accept factory pushrod guide plates
• Rocker studs and accessory bosses
• 50 State emissions legal performance
• Optimum spark plug location reduces heat loss
• 5/8 inch thick deck surface
• Machined and assembled in the USA