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.
Edelbrock part #61575 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.
{ eo : 1in.; eo_carb_number : D-215-94in.; eo_carb_link : https:/ww3.arb.ca.gov/msprog/aftermkt/devices/eo/d-215-94.pdf }
Edelbrock Cylinder Head Pontiac Performer D-Port 87cc Chambers for Hydraulic Roller Cam Complete
Edelbrock; Pontiac Head; Cylinder Heads; 72cc; Bare; Made In The USA; V8; Cylinder Heads; 61589
Pontiac:-:326 (5.3L)/350 (5.7L)/389 (6.4L)/400 (6.6L)/421 (6.9L)/428 (7.0L)/455 (7.4)
CYL HEAD PONTIAC PERF CNC D-PORT 87cc CHAMBERS FOR HYD ROLLER CAM COMPLETE
Performer Pontiac D-Port Cylinder Head 87cc Hydraulic Roller Springs
Thicker Deck Surfaces Than Other Brands
Performer Series D-Port Cylinder Head
Edelbrock Pontiac Cylinder Head
Engine Cylinder Head
CYLINDER HEADS
Cyl. Head
