Edelbrock Engine Cylinder Head 60947

The Edelbrock #60947 Performer RPM Bare NHRA Stock/Super Stock cylinder head is designed for 1955-86 Small-Block Chevy applications. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. Cast and heat treated at the Edelbrock Foundry and machined at Edelbrock's manufacturing facility in the USA, the Edelbrock head is the best in quality and performance. All Edelbrock cylinder head is designed from scratch using the latest in computer technology by our own highly skilled engineer's. Using highly efficient ports and state-of-the-art combustion chamber shapes, Edelbrock cylinder head offers improved performance throughout the rpm range for great throttle response and top-end horsepower. Top-quality features include threaded inserts in rocker stud and exhaust bolt holes for superior strength and durability, and manganese-bronze valve guides with ductile iron valve seats. These are features that some other companies don't include!

Edelbrock Engine Cylinder Head 60947

Specifications:

Quantity	Sold Individually
Retainer Included	No
Family	Performer RPM
Construction Type	Bare
CNC Ported	No
Exhaust Port Location	Standard
Exhaust Runner Volume	65
Series	Performer RPM
Head Casting Number	N/A
Guide Material	Manganese Bronze
Rotor Center Bore Inside Diameter	angled
Valve Springs Included	No
Material	Aluminum
Grade Type	Performance
EGR Port	No
Seat Material	Ductile Iron
Valve Angle	23
Guide Plates Included	No
Seat Angle	Exhaust 45 deg/Intake 45
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.
Deck Thickness	0.5625
Combustion Chamber Volume	64
Intake Runner Volume	185
Description_ABR	Cyl. Head
Description_INV	Edelbrock SBC Cylinder Head
Description_LAB	NHRA Small-Block Chevy 64cc Cylinder Head Bare
Description_ASM	Chevrolet:Small-Block Gen I:302 (4.9L)/327 (5.4L)/350 (5.7L)/400 (6.6L)
Description_EXT	The Edelbrock #60947 Performer RPM Bare NHRA Stock/Super Stock cylinder heads are designed for 1955-86 Small-Block Chevy applications. These cylinder heads deliver great throttle response and power from 1500 to 6500 rpm.
Description_MKT	The Edelbrock #60947 Performer RPM Bare NHRA Stock/Super Stock cylinder head is designed for 1955-86 Small-Block Chevy applications. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. Cast and heat treated at the Edelbrock Foundry and machined at Edelbrock's manufacturing facility in the USA, the Edelbrock head is the best in quality and performance. All Edelbrock cylinder head is designed from scratch using the latest in computer technology by our own highly skilled engineer's. Using highly efficient ports and state-of-the-art combustion chamber shapes, Edelbrock cylinder head offers improved performance throughout the rpm range for great throttle response and top-end horsepower. Top-quality features include threaded inserts in rocker stud and exhaust bolt holes for superior strength and durability, and manganese-bronze valve guides with ductile iron valve seats. These are features that some other companies don't include!
Description_TRA	Match with Edelbrock head gasket sets.
Description_TRA	Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using.
Description_TRA	To use stock rockers on small-block Chevy heads, .100" longer than stock pushrods are required. Edelbrock pushrods #9629 are recommended.
Description_TRA	Use Head Bolt Kits for easy installation. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat.
Description_TRA	S/B Chevy heads may not be used on engines with less than 4" bore (262, 265, 283, 305, 307 c.i.d.) except with cams having less than .450" valve lift.
Description_DEF	Engine Cylinder Head