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.
Specifications:
| Description_ABR |
Cyl. Head |
| Description_ASM |
AMC:-:304 (5.0L)/360 (5.9L)/401 (6.6L) |
| Description_DEF |
Engine Cylinder Head |
| Description_EXT |
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. |
| Description_LAB |
RPM AMC/ Jeep Cylinder Head With Exhaust Crossover Complete |
| Description_INV |
Edelbrock AMC Cylinder Head |
| Description_MKT |
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. |
| Description_TRA |
Match with Edelbrock head gasket sets. |
| Description_TRA |
Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. |
| Description_TRA |
Use Edelbrock Step Washer Kit #9693 on 1967-69 engines with 7/16" head bolts. |
| Description_TRA |
Deck thickness: 5/8" |
| Description_TRA |
Rocker stud diameter: 3/8" |
| Description_TRA |
Pushrod diameter: 5/16" (width of slot in guide plate). |
| Guide Plate Material |
Hardened Steel |
| Exhaust Port Location |
Standard |
| Exhaust Runner Volume |
70 |
| Exhaust Valve Diameter |
1.60 |
| Horsepower |
300-450 |
| Valve Springs Included |
Yes |
| Camshaft Type |
Flat Tappet |
| Guide Material |
Manganese Bronze |
| 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. |
| Retainer Included |
Yes |
| Series |
Performer |
| Head Casting Number |
N/A |
| Valve Angle |
18 |
| Seat Angle |
Exhaust 45 deg/Intake 45 |
| Valve Stem Diameter |
0.34375 |
| Grade Type |
Performance |
| Valve Spring Maximum Lift |
0.580 |
| Seat Material |
Ductile Iron |
| Construction Type |
Complete |
| Guide Plates Included |
Yes |
| Valve Spring Diameter |
1.55 |
| Push Rod Diameter |
(Suggested) 0.3125 |
| Intake Runner Volume |
185 |
| EGR Port |
Yes |
| Combustion Chamber Volume |
54 |
| Rocker Arm Stud Diameter |
0.375 |
| Intake Valve Diameter |
2.02 |
| Valve Included |
Yes |
| Deck Thickness |
0.625 |
| Family |
Performer |
| Quantity |
Sold Individually |
| CNC Ported |
No |
| Material |
Aluminum |
| Length |
7.0000 |
| Width |
10.0000 |
| Height |
22.0000 |
| Weight |
33.0000 |
