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Description

Cylinder Head Specifications:; Combustion chamber volume: 87cc; Intake runner volume: 215cc; Exhaust runner volume: 175cc; Intake valve diameter: 2.11"; Exhaust valve diameter: 1.66"; Valve stem diameter: 11/32"; Valve guides: Manganese bronze; Deck thickness: 5/8"; Valve spring diameter: 1.46"; Valve spring maximum lift: .575"; Rocker stud: 7/16"; Guideplate: Hardended steel; Pushrod diameter: 5/16"; Valve angle: 14°; Exhaust port location: Stock Ram Air IV; Spark plug fitment: 14mm x 3/4 reach, gasket seat. These cylinder heads are 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. Performer heads #60579/#60575 are 50-state emissions legal for 1965-79 vehicles. They feature 87cc combustion chambers designed to maximize performance while using less expensive, low-octane fuel with a streetable 9.5:1 compression ratio. Our Performer RPM heads 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. Performer RPM #60587 is not port matched or bowl blended and is NHRA accepted for Stock & Super Stock. INSTALLATION NOTE: These heads require Ram Air IV (round port) style exhaust manifolds or headers and Edelbrock head bolt kit #8549. Deck thickness: 5/8", rocker stud diameter: 7/16", pushrod diameter: 5/16" (width of slot in guide plate).

This Part Fits:

YearMakeModelSubmodel
1975BuickLeSabreCustom
1975Oldsmobile98Luxury
1975Oldsmobile98Regency
1975OldsmobileCustom CruiserBase
1975OldsmobileCustom CruiserPanel
1975OldsmobileDelta 88Base
1975OldsmobileDelta 88Royale
1965-1978PontiacBonnevilleBase
1976-1978PontiacBonnevilleBrougham
1965-1970,1978PontiacBonnevilleSafari
1965-1967PontiacCatalina2+2
1965-1978PontiacCatalinaBase
1971-1972PontiacCatalinaBrougham
1965-1978PontiacCatalinaSafari
1965-1970PontiacCatalinaVentura
1967-1970PontiacExecutiveBase
1967-1970PontiacExecutiveSafari
1967-1969PontiacFirebird400
1967-1977PontiacFirebirdBase
1970-1974,1976PontiacFirebirdEsprit
1970-1979PontiacFirebirdFormula
1967PontiacFirebirdHO
1969-1979PontiacFirebirdTrans Am
1973-1975PontiacGrand AmBase
1975-1977PontiacGrand LeMansBase
1975,1977PontiacGrand LeMansSafari
1965-1974,1976-1977PontiacGrand PrixBase
1975,1977PontiacGrand PrixLJ
1975-1977PontiacGrand PrixSJ
1971-1978PontiacGrand SafariBase
1971-1974PontiacGrandvilleBase
1975PontiacGrandvilleBrougham
1965-1973PontiacGTOBase
1970-1971PontiacGTOThe Judge
1968-1977PontiacLeMansBase
1972-1974PontiacLeMansLuxury
1969-1970,1973-1975,1977PontiacLeMansSafari
1974PontiacLeMansSafari Luxury
1970-1977PontiacLeMansSport
1971PontiacLeMansT37
1965-1966PontiacStar ChiefBase
1966PontiacStar ChiefExecutive
1968-1970PontiacTempestBase
1968-1969PontiacTempestCustom
1970PontiacTempestGT
1968-1969PontiacTempestSafari

Brand:

Edelbrock Single Perf Pontiac 72cc Head Comp - 60599

$1,263.64
$1,225.73
SKU:
EDE60599
UPC:
85347605996
Availability:
This brand is a special order line that may take longer and cannot be cancelled. Please contact us before ordering if delivery timeframe is a concern.
Shipping:
Calculated at Checkout
MPN:
60599
Product ID:
127508

Description

Cylinder Head Specifications:; Combustion chamber volume: 87cc; Intake runner volume: 215cc; Exhaust runner volume: 175cc; Intake valve diameter: 2.11"; Exhaust valve diameter: 1.66"; Valve stem diameter: 11/32"; Valve guides: Manganese bronze; Deck thickness: 5/8"; Valve spring diameter: 1.46"; Valve spring maximum lift: .575"; Rocker stud: 7/16"; Guideplate: Hardended steel; Pushrod diameter: 5/16"; Valve angle: 14°; Exhaust port location: Stock Ram Air IV; Spark plug fitment: 14mm x 3/4 reach, gasket seat. These cylinder heads are 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. Performer heads #60579/#60575 are 50-state emissions legal for 1965-79 vehicles. They feature 87cc combustion chambers designed to maximize performance while using less expensive, low-octane fuel with a streetable 9.5:1 compression ratio. Our Performer RPM heads 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. Performer RPM #60587 is not port matched or bowl blended and is NHRA accepted for Stock & Super Stock. INSTALLATION NOTE: These heads require Ram Air IV (round port) style exhaust manifolds or headers and Edelbrock head bolt kit #8549. Deck thickness: 5/8", rocker stud diameter: 7/16", pushrod diameter: 5/16" (width of slot in guide plate).

This Part Fits:

YearMakeModelSubmodel
1975BuickLeSabreCustom
1975Oldsmobile98Luxury
1975Oldsmobile98Regency
1975OldsmobileCustom CruiserBase
1975OldsmobileCustom CruiserPanel
1975OldsmobileDelta 88Base
1975OldsmobileDelta 88Royale
1965-1978PontiacBonnevilleBase
1976-1978PontiacBonnevilleBrougham
1965-1970,1978PontiacBonnevilleSafari
1965-1967PontiacCatalina2+2
1965-1978PontiacCatalinaBase
1971-1972PontiacCatalinaBrougham
1965-1978PontiacCatalinaSafari
1965-1970PontiacCatalinaVentura
1967-1970PontiacExecutiveBase
1967-1970PontiacExecutiveSafari
1967-1969PontiacFirebird400
1967-1977PontiacFirebirdBase
1970-1974,1976PontiacFirebirdEsprit
1970-1979PontiacFirebirdFormula
1967PontiacFirebirdHO
1969-1979PontiacFirebirdTrans Am
1973-1975PontiacGrand AmBase
1975-1977PontiacGrand LeMansBase
1975,1977PontiacGrand LeMansSafari
1965-1974,1976-1977PontiacGrand PrixBase
1975,1977PontiacGrand PrixLJ
1975-1977PontiacGrand PrixSJ
1971-1978PontiacGrand SafariBase
1971-1974PontiacGrandvilleBase
1975PontiacGrandvilleBrougham
1965-1973PontiacGTOBase
1970-1971PontiacGTOThe Judge
1968-1977PontiacLeMansBase
1972-1974PontiacLeMansLuxury
1969-1970,1973-1975,1977PontiacLeMansSafari
1974PontiacLeMansSafari Luxury
1970-1977PontiacLeMansSport
1971PontiacLeMansT37
1965-1966PontiacStar ChiefBase
1966PontiacStar ChiefExecutive
1968-1970PontiacTempestBase
1968-1969PontiacTempestCustom
1970PontiacTempestGT
1968-1969PontiacTempestSafari
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