Performer RPM Cylinder Head Small-Block Oldsmobile Flat Tappet

The Edelbrock #61089 Performer RPM Bare cylinder head is a bolt-on performance upgrade for 2003-2008 Gen III HEMI Early 5.7L engines. It's designed to fit with the stock intake manifold, exhaust manifold, valve cover, rockers, spark plugs and accessories, as well as Hellcat components. this cylinder head have been machined to be used on either the driver or passenger side of the block. They are cast from A356 aluminum and heat treated to T6 specifications, machined and assembled at Edelbrock's facility in Torrance, California for guaranteed quality. The Edelbrock #61089 Performer RPM cylinder head features fully CNC machined combustion chambers along with CNC profiled bowls and port entries/exits for improved air flow. They also feature more material in the deck and reinforced combustion chambers for increased cylinder pressures. The rocker bosses have been reinforced for improved stability and strength. Extra material has been added around the intake and exhaust ports to allow for porting in racing applications. Both the intake and exhaust port flanges have remained in the factory location for use with OEM components. The intake and exhaust valves have been tipped away from bore wall to unshroud the larger valves, while maintaining factory geometry. The seat diameters have also been increased for improved heat transfer and durability over stock. Match with an Edelbrock Victor EFI #7179 intake manifold for the ultimate in Edelbrock Gen III HEMI performance. Vehicle Specific

• Chrysler:Gen III HEMI:345 (5.7L)

Attributes:

• Brand Name: Edelbrock
• GTIN: 00085347610891
• CNC Ported: No
• Camshaft Type: Hydraulic Roller
• Combustion Chamber Volume: 83
• Construction Type: Bare
• Deck Thickness: 0.625
• EGR Port: No
• Exhaust Port Location: Eagle
• Exhaust Runner Volume: 75
• Family: Performer RPM
• Grade Type: Performance
• Guide Material: Manganese Bronze
• Guide Plates Included: No
• Head Casting Number: N/A
• Intake Runner Volume: 202
• Material: Aluminum
• Quantity: Sold Individually
• 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.
• Retainer Included: No
• Seat Angle: Exhaust 45 deg/Intake 45
• Seat Material: Ductile Iron
• Series: Performer RPM
• Valve Angle: Exhaust 16.8 deg/Intake 18.8
• Valve Included: No
• Valve Springs Included: No

Extended Information:

• Country of Origin: US
• Emissions : EPA Eligible

Packing Information:

• Quantity of Each: 1
• Package UOM: EA
• Dimension: 22.25 x 10.44 x 7.38 inches
• Weight: 29.85 POUNDS