SKU: SKU: EDE50459
The Edelbrock #50459 E-Street cylinder 290 Oval Port head is designed for Big-Block applications. The Edelbrock E-Street cylinder head offers American made quality and affordable performance. E-Street cylinder head features as-cast ports and are designed for entry-level street performance applications operating in the idle-to-5500 rpm range. The modern combustion chamber designs improve the combustion process and larger than stock intake and exhaust ports move more air through your engine for improve efficiency. For use on pre-pollution controlled vehicles only.
The #50459 E-Street cylinder 290 Oval Port heads are designed for BBChevy applications. American made quality and affordable performance, These heads feature as-cast ports and are designed for entry-level application
| Valve Included | Yes |
| Intake Valve Diameter | 2.19 IN |
| Deck Thickness | 0.5625 IN |
| Camshaft Type | Flat Tappet |
| Exhaust Valve Diameter | 1.88 IN |
| Valve Spring Maximum Lift | 0.700 IN |
| Family | E-Street |
| Valve Stem Diameter | 0.3438 IN |
| Seat Material | Ductile Iron |
| Valve Angle | 26 DD |
| Seat Angle | Exhaust 45 deg/Intake 45 DD |
| Exhaust Port Location | Standard |
| Exhaust Runner Volume | 110 CCM |
| Valve Spring Diameter | 1.50 IN |
| EGR Port | No |
| Guide Material | Manganese Bronze |
| Horsepower | 400-500 HJ |
| Construction Type | Complete |
| Push Rod Diameter | (Suggested) 0.4375 IN |
| 8788 | Yes |
| 10024 | Yes |
| 8789 | Yes |
| 10025 | Yes |
| 10252 | Chromoly Steel |
| 10583 | No |
| 10261 | No |
| 10671 | Yes |
| 10 | Aluminum |
| 30 | No |
| 6635 | 6045F |
| 6634 | Yes |
| 6636 | Chromoly Steel |
| 3390 | Performance |
| 6621 | 9.8 IN |
| 10582 | No |
| 6626 | 110 CCM |
| 306 | Yes |
| 9799 | Yes |
| Valve Lock Material | Steel |
| Guide Plate Material | Hardened Steel |
| Intake Runner Volume | 290 CCM |
| Rocker Arm Stud Diameter | 0.4375 IN |
| CNC Ported | Yes |
| Series | E-Street |
| Quantity | Sold Individually |
| Retainer Included | Yes |
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.