Engine Cylinder Head

The Edelbrock part #77485 Big-Block Chevy Victor Jr. 24deg cylinder head features an extra thick deck and extra material in the spring pockets for a heavy-duty casting that can be used with high-lift cam and heavy spring combinations. Edelbrock equips the complete 774815 cylinder head with a spring packages to suit hydraulic roller cams. The 300cc rectangle ports produce impressive flow and great power on competition big-blocks up to 510 c.i.d. with 4.310" or larger bore. Exhaust port exits are raised .534" to greatly improve exhaust flow and power.

Additional Attributes:

GTIN: 00085347774852
Camshaft Type: Hydraulic Roller
CNC Ported: No
Combustion Chamber Volume: 106
Construction Type: Complete
Deck Thickness: 0.5625
EGR Port: No
Exhaust Port Location: +0.500
Exhaust Runner Volume: 129
Exhaust Valve Diameter: 1.90
Family: Victor Jr.
Flange Type: Rectangle Intake
Grade Type: Performance
Guide Material: Manganese Bronze
Guide Plate Material: Hardened Steel
Guide Plates Included: Yes
Head Casting Number: N/A
Horsepower: 600-800
Intake Runner Volume: 300
Intake Valve Diameter: 2.25
Material: Aluminum
Push Rod Diameter: (Suggested) 0.375
Quantity: Sold Individually
Retainer Included: Yes
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.
Rocker Arm Stud Diameter: 0.4375
Seat Angle: Exhaust 45 deg/Intake 45
Seat Material: Ductile Iron
Series: Victor Jr.
Valve Angle: 24
Valve Included: Yes
Valve Spring Diameter: 1.55
Valve Spring Maximum Lift: 0.700
Valve Springs Included: Yes
Valve Stem Diameter: 0.3438

Extended Information:

Emissions : Racing or Pre-Emissions Use Only
Life Cycle Status: Available To Order

Packaging:

Quantity of Each: 1
Package UOM: EA
Dimension: 26.25 x 11 x 8.5 inches
Weight: 47 PG