Engine Cylinder Head

The Edelbrock #60509 Performer RPM cylinder head is designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. The Edelbrock #60509 Performer RPM head with the 72cc combustion chamber are for higher compression engines. Performer RPM #60509 is semi-machined and must be finished by a professional cylinder head porter. They include valve guides and seats installed with no intake pushrod holes.

Additional Attributes:

GTIN: 00085347605095
CNC Ported: No
Combustion Chamber Volume: Possible 72
Construction Type: Pro-Port Raw
Deck Thickness: 0.625
EGR Port: No
Exhaust Port Entry: 1.46 in x 1.40
Exhaust Valve Diameter: (Suggested) 1.46 in x 1.40
Exhaust Valve Pierce Points (X,Y)(C): 1.150 in, 0.000
Family: Performer RPM
Grade Type: Performance
Guide Material: Manganese Bronze
Guide Plates Included: No
Head Casting Number: N/A
Intake Port Entry: 1.10 in x 2.02
Intake Valve Diameter: (Suggested) 2.11
Intake Valve Pierce Points (X,Y)(C): 0.880 in, 0.000
Material: Aluminum
Quantity: Sold Individually
Retainer Included: No
RGL: WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.
Seat Angle: Exhaust 45 deg/Intake 45
Seat Material: Ductile Iron
Series: Pro-Port
Specialty: Hot Isostatic Pressing (HIP) Processing
Valve Angle: 14
Valve Guides Included: Yes
Valve Included: No
Valve Seats Included: Yes
Valve Spacing: 2.030
Valve Springs Included: No

Extended Information:

Emissions : EPA Eligible
Life Cycle Status: Available To Order

Packaging:

Quantity of Each: 1
Package UOM: EA
Dimension: 26 x 11 x 8.8 inches
Weight: 31.4 PG