SKU: SKU: EDE60909
The Edelbrock #60909 Performer cylinder head is designed for 302, 327, 350 and 400 cid small-block Chevy engines up to 1986. This cylinder head includes your choice of 64cc (In order to retain stock compression ratio on 1970 and earlier small-blocks) or 70cc combustion chambers and high flow intake and exhaust ports. A Complete head includes larger-than-stock 1.46" valve springs to handle most high-lift cams. This head retains the stock intake port location for compatibility with standard manifolds and headers. Heat crossover is machined for 50-state emissions legal performance.
The Edelbrock #60909 Performer Cylinder Heads are designed for 302-400 cid small-block Chevy engines up to 1986. These cylinder heads include your choice of 64cc or 70cc combustion chambers and high flow intake and exhaust ports.
| EGR Port | Yes |
| Deck Thickness | 0.5625 IN |
| Valve Spring Maximum Lift | 0.575 IN |
| Guide Material | Manganese Bronze |
| Camshaft Type | Flat Tappet |
| Push Rod Diameter | (Suggested) 0.3125 IN |
| Intake Valve Diameter | 2.02 IN |
| Valve Angle | 23 DD |
| Rocker Arm Stud Diameter | 0.375 IN |
| 8788 | Yes |
| 10024 | Yes |
| 8789 | Yes |
| 10025 | Yes |
| 10252 | Chromoly Steel |
| 10583 | No |
| 10261 | No |
| 10671 | Yes |
| 30 | No |
| 10 | Aluminum |
| 6627 | 185 CCM |
| 6635 | 31-6088 |
| 6634 | Yes |
| 6636 | Chromoly Steel |
| 3390 | Performance |
| 6621 | 9.025 IN |
| 10582 | No |
| 6626 | 64 CCM |
| 306 | Yes |
| 9799 | Yes |
| Valve Lock Material | Steel |
| Guide Plate Material | Hardened Steel |
| Exhaust Port Location | Standard |
| Family | Performer |
| Rotor Center Bore Inside Diameter | Straight |
| Seat Angle | Exhaust 45 deg/Intake 45 DD |
| Series | Performer |
| Quantity | Sold Individually |
| Horsepower | 300-450 HJ |
| Seat Material | Ductile Iron |
| Retainer Included | Yes |
| Valve Spring Diameter | 1.46 IN |
| 9040 | D-215-94 |
| Exhaust Runner Volume | 65 CCM |
| Exhaust Valve Diameter | 1.60 IN |
| Construction Type | Complete |
| Valve Stem Diameter | 0.3438 IN |
| CNC Ported | No |
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.