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Victor Jr Big-Block Chevy Cylinder Heads

Victor Jr Big-Block Chevy Cylinder Heads

Victor Jr Big-Block Chevy 77485

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Original Price: $2,284.00

Quantity:

Edelbrock  Victor Jr. 24 Degree is a complete cylinder head designed for Big Block Chevy 396-502 V8 engines. The 300cc rectangle ports produce impressive flow on competition big-blocks up to 510 c.i.d. with 4.310″ or larger bore.

 

Combustion Chamber Volume (cc): 106

Intake Runner Volume (cc): 300cc

Exhaust Runner Volume (cc): 128cc

Cylinder Head Style: Assembled

Cylinder Head Material: Aluminum

Intake Port Shape: Rectangular

Intake Valve Diameter (in.): 2.250 in.

Cylinder Head Finish: Natural

CNC-Machined Combustion Chamber: No

CNC-Machined Intake Runner: No

CNC-Machined Exhaust Runner: No

Combustion Chamber Style: Semi-open

Intake Port Location: Standard

Exhaust Port Shape: Square

Exhaust Port Location: Raised

Intake Valves Included: Yes

Exhaust Valves Included: Yes

Exhaust Valve Diameter (in.): 1.900 in.

Valve Springs Included: Yes

Maximum Valve Lift (in.): 0.775 in.

Outside Diameter of Outer Spring (in.): 1.540 in.

Damper Spring Included: No

Number of Springs Per Valve: Dual

Retainers Included: Yes

Retainer Material: Steel

Locks Included: Yes

Lock Style: 7 degree

Valve Stem Seals Included: Yes

Valve Stem Seal Style: Positive stop

Rocker Arm Studs Included: Yes

Rocker Arm Nut Thread Size: 7/16-20 in.

Rocker Arms Included: No

Rocker Arm Nuts Included: No

Guideplates Included: Yes

Guideplate Pushrod Size:3/8 in.

Valve Cover Mounting Style: Perimeter bolt

Accessory Bolt Holes Drilled: Yes

Intake Valve Angle: 24

Valve Guides Included: Yes

Valve Guide Material: Manganese bronze

Valve Seats Machined: Yes

Valve Seat Machine Style: 3-angle

Valve Seat Material: Ductile iron

Steam Holes Drilled: No

Machined for O-Ring: No

Heat Crossover: No

 

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.

Installation Notes:

  • Matching stud girdle #7797 must be used with stud mounted rocker arms. Deck thickness: 9/16″, rocker stud diameter: 7/16″, pushrod diameter: 3/8″ (width of slot in guide plate).

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