EDELBROCK

EDELBROCK #61575 - Performer RPM D-Port Cylinder Head for Pontiac V8 - Hydraulic Roller

$1,502.95 USD

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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.

Combustion Chamber Volume (cc): 87

Intake Runner Volume (cc): 204cc

Exhaust Runner Volume (cc): 145cc

Cylinder Head Style: Assembled

Cylinder Head Material: Aluminum

Intake Port Shape: Rectangular

Intake Valve Diameter (in.): 2.110 in.

CNC-Machined Combustion Chamber: Yes

CNC-Machined Intake Runner: No

CNC-Machined Exhaust Runner: No

Combustion Chamber Style: Heart

Intake Port Location: Standard

Exhaust Port Shape: D-port

Exhaust Port Location: Standard

Spark Plug Style: Angle

Intake Valves Included: Yes

Exhaust Valves Included: Yes

Exhaust Valve Diameter (in.): 1.660 in.

Valve Springs Included: Yes

Maximum Valve Lift (in.): 0.600 in.

Camshaft Style: Hydraulic roller

Outside Diameter of Outer Spring (in.): 1.460 in.

Damper Spring Included: Yes

Number of Springs Per Valve: Dual

Retainers Included: Yes

Retainer Material: Steel

Locks Included: Yes

Lock Style: 7 degree

Valve Stem Seals Included: Yes

Valve Stem Seal Style: Umbrella

Rocker Arm Studs Included: Yes

Rocker Arm Nut Thread Size: 7/16 in.-20

Rocker Arms Included: No

Rocker Arm Nuts Included: No

Guideplates Included: Yes

Guideplate Pushrod Size: 5/16 in.

Valve Cover Mounting Style: Perimeter bolt

Accessory Bolt Holes Drilled: Yes

Intake Valve Angle: 14

Valve Guides Included: Yes

Valve Guide Material: Manganese bronze

Valve Seats Machined: Yes

Valve Seat Machine Style: 3-angle

Valve Seat Material: Ductile iron

Cylinder Head Color: Natural

Steam Holes Drilled: No

Oiling Style: Through pushrod

Machined for O-Ring: No

Heat Crossover: Yes

Quantity: Sold individually.

Notes: Designed for 4.060 in and larger bore diameters. Requires Edelbrock head bolt kit EDL-8561 for installation. 350 c.i.d. engines may require notching the block for valve clearance. With springs for hydraulic roller cams.

PDF-Installation Instructions

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