The Edelbrock part #77409 Victor 24 Deg 340cc cylinder head features a rolled over deck, altered valve locations and partially CNC'd 199cc chambers for cost effective performance. The Edelbrock 77409 cylinder head comes complete with springs to suite mechanical roller camshafts. Mechanical roller cam springs include Manley dual-spring valve springs & titanium retainers good for up to .880" lift. The 340cc rectangle ports produce impressive flow and great power on competition big-blocks with 4.470" or larger bore. Exhaust port exits are raised .534".
Specifications:
| Description_ABR |
Cyl. Head |
| Description_ASM |
Chevrolet:Big-Block Mark IV:396 (6.5L)-502 (8.2L) |
| Description_DEF |
Engine Cylinder Head |
| Description_LAB |
Victor Big-Block Chevy Cylinder Head Mechanical Roller Camshaft |
| Description_EXT |
Edelbrock part #77409 Victor 24 Degree is a complete cylinder head designed for Big Block Chevy 396-502 V8 engines. |
| Description_INV |
Edelbrock BBC Cylinder Head |
| Description_MKT |
The Edelbrock part #77409 Victor 24 Deg 340cc cylinder head features a rolled over deck, altered valve locations and partially CNC'd 199cc chambers for cost effective performance. The Edelbrock 77409 cylinder head comes complete with springs to suite mechanical roller camshafts. Mechanical roller cam springs include Manley dual-spring valve springs & titanium retainers good for up to .880" lift. The 340cc rectangle ports produce impressive flow and great power on competition big-blocks with 4.470" or larger bore. Exhaust port exits are raised .534". |
| Description_TRA |
Matching stud girdle #7796 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). |
| Guide Plate Material |
Hardened Steel |
| 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. |
| Intake Valve Diameter |
2.300 |
| Exhaust Valve Diameter |
1.900 |
| Rocker Arm Stud Diameter |
0.437 |
| CNC Ported |
No |
| Intake Runner Volume |
340.0 |
| Valve Spring Diameter |
1.635 |
| Grade Type |
Performance |
| Deck Height |
9.8 |
| Valve Angle |
24 |
| Guide Plates Included |
Yes |
| Head Casting Number |
31-7740 |
| Combustion Chamber Volume |
119.0 |
| Deck Thickness |
0.562 |
| Valve Spring Maximum Lift |
0.880 |
| Material |
Aluminum |
| Valve Stem Diameter |
0.341 |
| Length |
9.0000 |
| Width |
11.0000 |
| Height |
26.0000 |
| Weight |
46.0000 |
