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.
Specifications:
| Description_ABR |
Cyl. Head |
| Description_ASM |
Chevrolet:Big-Block Mark IV:396 (6.5L)-502 (8.2L) |
| Description_DEF |
Engine Cylinder Head |
| Description_EXT |
Edelbrock part #77485 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. |
| Description_MKT |
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. |
| Description_LAB |
Victor Jr Big-Block Chevy 106cc Hydraulic Roller Camshaft |
| Description_INV |
Edelbrock BBC Cylinder Head |
| Description_TRA |
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). |
| Valve Springs Included |
Yes |
| Guide Material |
Manganese Bronze |
| Seat Angle |
Exhaust 45 deg/Intake 45 |
| 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. |
| Intake Valve Diameter |
2.25 |
| Exhaust Port Location |
+0.500 |
| Camshaft Type |
Hydraulic Roller |
| Guide Plate Material |
Hardened Steel |
| Exhaust Valve Diameter |
1.90 |
| Exhaust Runner Volume |
129 |
| Guide Plates Included |
Yes |
| Retainer Included |
Yes |
| Combustion Chamber Volume |
106 |
| Push Rod Diameter |
(Suggested) 0.375 |
| Head Casting Number |
N/A |
| Seat Material |
Ductile Iron |
| Material |
Aluminum |
| Horsepower |
600-800 |
| Construction Type |
Complete |
| Intake Runner Volume |
300 |
| Deck Thickness |
0.5625 |
| Valve Angle |
24 |
| Grade Type |
Performance |
| Quantity |
Sold Individually |
| Valve Spring Maximum Lift |
0.700 |
| EGR Port |
No |
| Rocker Arm Stud Diameter |
0.4375 |
| Valve Stem Diameter |
0.3438 |
| CNC Ported |
No |
| Family |
Victor Jr. |
| Series |
Victor Jr. |
| Valve Included |
Yes |
| Valve Spring Diameter |
1.55 |
| Flange Type |
Rectangle Intake |
| Length |
9.0000 |
| Width |
11.0000 |
| Height |
26.0000 |
| Weight |
47.0000 |
