Description
The Edelbrock PN: 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 PN: 60509 Performer RPM head with the 72cc combustion chamber are for higher compression engines. Performer RPM PN: 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.
Pontiac:-:326 (5.3L)/350 (5.7L)/389 (6.4L)/400 (6.6L)/421 (6.9L)/428 (7.0L)/455 (7.4)
PONTIAC 72CC RPM BARE HEAD-HEAD PORTER VERSION - Part number: EDL-60509 - for American Cars - delivery to the UK and the EU
Manufacturer part number: 60509 - PONTIAC 72CC RPM BARE HEAD-HEAD PORTER VERSION engine-cylinder-head
Data sheet
- Type
- Bare
- Engine Make/Size
- Pontiac 326-455
- Emission
- Non-Emissions
- Finish
- Cast Aluminum
- Material
- Aluminum
- Usage
- Street/Performance
- Cylinder Head Type
- Standard
- Grade Type
- Performance
- Preparation
- Requires Professional Preparation (Bare)
- Family
- Performer RPM
- Series
- Pro-Port
- CNC Ported
- No
- Combustion Chamber Volume
- Possible 72 CCM
- Construction Type
- Pro-Port Raw
- Deck Thickness
- 0.625 IN
- EGR Port
- No
- Guide Plates Included
- No
- Quantity
- Sold Individually
- Retainer Included
- No
- Valve Included
- No
- Valve Springs Included
- No
- Head Casting Number
- N/A
- Exhaust Valve Diameter
- (Suggested) 1.46 in. x 1.40 IN
- Guide Material
- Manganese Bronze
- Intake Valve Diameter
- (Suggested) 2.11 IN
- Seat Angle
- Exhaust 45 deg/Intake 45 DD
- Seat Material
- Ductile Iron
- Valve Angle
- 14 DD
- Specialty
- Hot Isostatic Pressing (HIP) Processing
- Exhaust Port Entry
- 1.46 in x 1.40 IN
- Exhaust Valve Pierce Points (X,Y)(C)
- 1.150 in, 0.000 IN
- Intake Port Entry
- 1.10 in x 2.02 IN
- Intake Valve Pierce Points (X,Y)(C)
- 0.880 in, 0.000 IN
- Valve Guides Included
- Yes
- Valve Seats Included
- Yes
- Valve Spacing
- 2.030 IN
Package dimensions
Width: 11.00 inch
Height: 8.80 inch
Depth: 26.00 inch
Weight: 31.40 lb