SKU: SKU: EDE61259
Edelbrock part #61259 Victor Jr. 23deg 220 cylinder head is designed for small-block Chevy Its 64cc combustion chamber yields around 10:1 compression ratio in a typical flat-top application and about 12.5:1 when used with some of the most common 12cc dome pistons. One of the key features of the Victor Jr. 23deg 220 cylinder head is the CNC machined chambers and bowls, which result in consistency and improved performance. They also feature angled spark plug holes and maintain the stock 23deg valve angle as well as the intake flange bolt pattern for use with 1986 and earlier intake manifolds. All of this allows this cylinder head to deliver 530-580 hp potential right-out-of-the-box, making them ideal for a budget minded engine build desiring a high quality cylinder head that still uses a stud and guide plate rocker system. Cylinder Head Specifications: - Exhaust port location: Raised .300" - Spark plug fitment: 14mm x .750 reach, gasket seat
The Edelbrock #61259 Victor Jr. 220cc cylinder head is designed for 1955-86 SB Chevy applications. The #61259 Victor Jr. is perfect larger cubic inch small blocks and vehicles where maximum power is needed.
| Rotor Center Bore Inside Diameter | angled |
| Valve Spring Maximum Lift | 0.700 IN |
| Valve Angle | 23 DD |
| Exhaust Runner Volume | 85 CCM |
| Family | Victor Jr. |
| Push Rod Diameter | (Suggested) 0.6875 IN |
| Quantity | Sold Individually |
| Valve Stem Diameter | 0.3125 IN |
| Camshaft Type | Mechanical Roller |
| Horsepower | 450-600 HJ |
| Retainer Included | Yes |
| CNC Ported | Yes |
| Exhaust Valve Diameter | 1.60 IN |
| EGR Port | No |
| Series | Victor Jr. |
| Construction Type | Complete |
| Rocker Arm Stud Diameter | 0.4375 IN |
| Guide Material | Manganese Bronze |
| Exhaust Port Location | +.300 |
| Seat Material | Ductile Iron |
| Deck Thickness | 0.6875 IN |
| Intake Valve Diameter | 2.10 IN |
| Valve Spring Diameter | 1.55 IN |
| Seat Angle | Exhaust 45 deg/Intake 45 DD |
| 8788 | Yes |
| 10024 | Yes |
| 8789 | Yes |
| 10025 | Yes |
| 10252 | Chromoly Steel |
| 10583 | No |
| 10261 | No |
| 10671 | Yes |
| 10 | Aluminum |
| 30 | No |
| 6627 | 220 CCM |
| 6635 | 27-61259 |
| 6634 | Yes |
| 6636 | Chromoly Steel |
| 3390 | Performance |
| 10582 | No |
| 6626 | 64 CCM |
| 306 | Yes |
| 9799 | Yes |
| Valve Lock Material | Steel |
| Guide Plate Material | Hardened Steel |
California Prop 65 Warning: 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.