Edelbrock 61575 - Cylinder Head Pontiac Performer D-Port 87cc Chambers for Hydraulic Roller Cam Complete

Edelbrock 61575 - Cylinder Head Pontiac Performer D-Port 87cc Chambers for Hydraulic Roller Cam Complete

Cylinder Head - Performer - Assembled - 2.110 / 1.660 in Valves - 204 cc Intake - 87 cc Chamber - 1.460 in Springs - Angle Plug - Aluminum - Pontiac V8 - Each

The Edelbrock #61575 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.

• Out-of-the-Box Bolt-On Performance
• Flow 290 cfm On Intake
• CNC-Matched Intake/Exhaust Ports in Std Location
• Thicker Deck Surfaces Than Other Brands