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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. 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. Complete heads include 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, these heads include step-dowel pins for pre-1970 engines. Their dual-quench combustion chambers produce approximately 9.5:1 compression in 401 V8 engines. The 45 degree intake seat angle offers improved mid- to high-lift flow over the stock 30 degree angle. The Edelbrock #601139 Performer RPM Cylinder Heads have 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.
Manufacturer: Edelbrock
Application: Application Specific
UPC: 00085347601394
Series: Performer
Material: Aluminium
Quantity: Sold Individually
Horsepower: 300-450 HP
Seat Angle: Exhaust 45 deg/Intake 45 deg
Installation Notes: • Match with Edelbrock head gasket sets. • Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. • Use Edelbrock Step Washer Kit #9693 on 1967-69 engines with 7/16" head bolts. • Deck thickness: 5/8" • Rocker stud diameter: 3/8" • Pushrod diameter: 5/16" (width of slot in guide plate).
Intake Valve Diameter: 2.02 in
Intake Runner Volume: 185 cc
Push Rod Diameter: (Suggested) 0.3125 in
Rocker Stud Diameter: 0.375 in
Valve Angle: 18 deg
Valve Spring Diameter: 1.55 in
Valve Spring Maximum Lift: 0.580 in
Valve Stem Diameter: 0.34375 in
| Categories | Engine Components |
|---|---|
| Manufacturer Part Number | 60139 |
| Brand | Edelbrock |
| Part Type | Engine Cylinder Head |
| Cylinders | V8 |
| Interchange Part Number | 60139 |
| Vehicle Make | Ford |
| Type | Engine Cylinder Head |
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