Engine Cylinder Head

The Edelbrock part #77475 Big-Block Chevy Victor Jr. 24 Deg 300cc cylinder heads feature 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 offers the complete 77475 cylinder heads with a spring packages to suit hydraulic roller cams and 118cc combustion chambers. 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: 00085347774753
CNC Ported: No
Combustion Chamber Volume: 118.0
Deck Height: 10.2
Deck Thickness: 0.562
Exhaust Valve Diameter: 1.900
Grade Type: Performance
Guide Plate Material: Hardened Steel
Guide Plates Included: Yes
Head Casting Number: 31-7745
Intake Runner Volume: 300.0
Intake Valve Diameter: 2.250
Material: Aluminum
Push Rod Diameter: 0.375
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: 0.437
Valve Angle: 24
Valve Spring Diameter: 1.550
Valve Spring Maximum Lift: 0.700
Valve Stem Diameter: 0.341

Extended Information:

Emissions : Racing or Pre-Emissions Use Only
Life Cycle Status: Obsolete

Packaging:

Quantity of Each: 1
Package UOM: EA
Dimension: 24.75 x 10.5 x 8.25 inches
Weight: 47 PG