SKU: SKU: EDE60139
The Edelbrock #60139 Performer RPM cylinder head is designed as a bolt-on performance upgrade for any 1967-91 AMX, Javelin or Jeep with a 343, 360, 390 or 401 AMC V8 engine. They include adjustable rocker studs and guide plates set-up for use with small-block Ford style adjustable 1.6:1 ratio rockers. The intake flange is dual-drilled to accommodate early and late model intake bolt patterns, covering 1967-91. A Complete head includes larger than- stock valve springs to handle most high-lift cams. They feature stock location ports for compatibility with standard manifolds and headers. A direct bolt-on for 1970 and later engines with 1/2" head bolts, This head includes step-dowel pins for pre-1970 engines. Their dual-quench combustion chambers produce approximately 9.5:1 compression in 401 V8 engines. The 45deg intake seat angle offers improved mid- to high-lift flow over the stock 30deg angle. The Edelbrock #601139 Performer RPM cylinder head has a machined heat crossover for 50-state emissions legal performance.
The Edelbrock #60139 Performer RPM Cylinder Heads are designed as a bolt-on performance upgrade for any 1967-91 AMX, Javelin or Jeep with a 343, 360, 390 or 401 AMC V8 engine.
| Family | Performer |
| Valve Spring Maximum Lift | 0.580 IN |
| CNC Ported | No |
| Exhaust Runner Volume | 70 CCM |
| Quantity | Sold Individually |
| Camshaft Type | Flat Tappet |
| Retainer Included | Yes |
| Deck Thickness | 0.625 IN |
| EGR Port | Yes |
| Push Rod Diameter | (Suggested) 0.3125 IN |
| Intake Valve Diameter | 2.02 IN |
| Exhaust Valve Diameter | 1.60 IN |
| Rocker Arm Stud Diameter | 0.375 IN |
| Series | Performer |
| Valve Stem Diameter | 0.34375 IN |
| Exhaust Port Location | Standard |
| Horsepower | 300-450 HJ |
| Seat Material | Ductile Iron |
| Seat Angle | Exhaust 45 deg/Intake 45 DD |
| Guide Material | Manganese Bronze |
| Construction Type | Complete |
| Valve Spring Diameter | 1.55 IN |
| Valve Angle | 18 DD |
| 30 | No |
| 8788 | Yes |
| 10024 | Yes |
| 8789 | Yes |
| 10025 | Yes |
| 10252 | Chromoly Steel |
| 10583 | No |
| 10261 | No |
| 10671 | Yes |
| 10 | Aluminum |
| 306 | Yes |
| 6627 | 185 CCM |
| 6635 | 31-6013 |
| 6634 | Yes |
| 6636 | Chromoly Steel |
| 3390 | Performance |
| 6621 | 9.175 IN |
| 10582 | No |
| 6626 | 54 CCM |
| 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.