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Availability: Special Order*
SKU: 60599
Manufacturer: Edelbrock
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$1,300.50

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).

Edelbrock Chrome Steel Fuel Line with Polished Aluminum Filter For Dual Feed Edelbrock Thunder Series AVS Carbs.

Pontiac:-:326 (5.3L)/350 (5.7L)/389 (6.4L)/400 (6.6L)/421 (6.9L)/428 (7.0L)/455 (7.4)

Edelbrock; Pontiac Head; 72 cc Hydraulic Flat Tappet V8; Cylinder Heads; 60599

Edelbrock, Pontiac Head, 72 cc Hydraulic Flat Tappet V8, Cylinder Heads, 60599

RPM Pontiac Cylinder Head 72 cc Hydraulic Flat Tappet Camshaft

Edelbrock Single Perf. Pontiac 72cc Head Comp.

Edelbrock Single Perf Pontiac 72cc Head Comp

Single Perf. Pontiac 72cc Head Comp.

Edelbrock Cylinder Heads

Engine Cylinder Head

CYLINDER HEADS

CYLINDER HEAD

{ eo : 3in.}

{"eo":"3"}

Cyl. Head

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).

Edelbrock Chrome Steel Fuel Line with Polished Aluminum Filter For Dual Feed Edelbrock Thunder Series AVS Carbs.

Pontiac:-:326 (5.3L)/350 (5.7L)/389 (6.4L)/400 (6.6L)/421 (6.9L)/428 (7.0L)/455 (7.4)

Edelbrock; Pontiac Head; 72 cc Hydraulic Flat Tappet V8; Cylinder Heads; 60599

Edelbrock, Pontiac Head, 72 cc Hydraulic Flat Tappet V8, Cylinder Heads, 60599

RPM Pontiac Cylinder Head 72 cc Hydraulic Flat Tappet Camshaft

Edelbrock Single Perf. Pontiac 72cc Head Comp.

Edelbrock Single Perf Pontiac 72cc Head Comp

Single Perf. Pontiac 72cc Head Comp.

Edelbrock Cylinder Heads

Engine Cylinder Head

CYLINDER HEADS

CYLINDER HEAD

{ eo : 3in.}

{"eo":"3"}

Cyl. Head

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*we take fitment seriously and have invested heavily into matching products to your vehicle, but it is up to the end user to confirm products are suitable for their vehicle, legal for them to use for the purposes they intend, and verify fitment upon installation. Many opened products may not be returned, so if fitment is in question, please contact us before ordering. We are not resonsible for any costs incurring from a product not being suitable to an end users application.