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