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Victor Jr #77589 Small-Block Chevy 64cc Hydraulic Roller Camshaft

Edelbrock part #77589 Victor Jr. is a complete cylinder head for Small Block Chevy 262-400 V8 engines using a hydraulic roller cam. This cylinder head offers affordable max power for competition and high-performance's street applications
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The Edelbrock part # 77589 Small Block Chevy Victor Jr. 215cc cylinder head is an affordable version that will still allow for maximum power when used in competition and ultra high-performance street applications. This cyinder head has the potential of 530-580 hp out-of-the-box, for a cost effective, race-winning set-up. These cylinder heads feature angled spark plug holes and accept standard 23° valvetrain hardware. The 77589 cylinder heads have a 64cc combustion chamber and come with springs for hydraulic roller camshafts. The 64cc chambers yield about 12.5:1 compression with a 12cc domed piston in a 350 V8.
INSTALLATION NOTE: Check cam manufacturer's specs for compatibility with valve springs for spring rates. Match with Edelbrock head gasket sets. Use Head Bolt Kits for easy installation. These heads require the use of a 14mm x 3/4" reach, flat gasket spark plug with a heat range appropriate to your application. Deck thickness: 9/16", rocker stud diameter: 3/8", pushrod diameter: 7/16" (width of slot in guide plate).
More Information
Manufacturer Edelbrock
Application Application Specific
UPC 00085347775897
Series Victor Jr.
Grade Type Performance
Quantity Sold Individually
Guide Plate Material Hardened Steel
Camshaft Type Hydraulic Roller
Horsepower 450-550 HP
Availability Note Available to Order
Warranty 12 Months
Seat Angle Exhaust 45 deg/Intake 45 deg
Emissions Code
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
Intake Valve Diameter 2.08 in
Intake Runner Volume 215 cc
Material Aluminum
Push Rod Diameter (Suggested) 0.5625 in
Rocker Stud Diameter 0.4375 in
Valve Angle 23 deg
Valve Spring Diameter 1.55 in
Valve Spring Maximum Lift 0.650 in
Valve Stem Diameter 0.3438 in