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NHRA Small-Block Chevy 64cc Cylinder Head Bare

was $854.95 Special Price $683.96

In stock

SKU

60947

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. Cast and heat treated at the Edelbrock Foundry and machined at Edelbrock's manufacturing facility in the USA, Edelbrock heads are the best in quality and performance. All Edelbrock Cylinder Heads are 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 heads offer 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!

PRODUCT SPECS

More Information
Part Type	Engine Cylinder Head
Manufacturer	Edelbrock
Engine Manufacturer	Chevrolet
Engine Family Name	Small-Block
Engine Size	302 (5.0L), 327 (5.4L), 350 (5.7L), 400 (6.6L)
Application	Application Specific
UPC	085347609475
Series	Performer RPM
Material	Aluminum
Valve Angle	23 Degree
Intake Runner Volume	185 cc
Quantity	Sold Individually
Warranty	12 Months
Seat Angle	Exhaust 45 deg/Intake 45 deg
Emissions Code
Application Summary	Chevrolet:Small-Block Gen I:302 (4.9L)/327 (5.4L)/350 (5.7L)/400 (6.6L)
Hazardous Materials Warning	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.
Installation Notes	Match with Edelbrock head gasket sets. 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. To use stock rockers on small-block Chevy heads, .100" longer than stock pushrods are required. Edelbrock pushrods #9629 are recommended. Use Head Bolt Kits for easy installation. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. 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.
Special Price	$683.96
Pushrod Diameter	0.3125 (5/16) in