Free #1221 Air Cleaner With AVS or Performer Carb Purchase Shop Edelbrock
RPM AMC/ Jeep Cylinder Head No Crossover Complete

RPM AMC/ Jeep Cylinder Head No Crossover Complete

RPM Big-Block Chrysler RPM Cylinder Head

RPM Big-Block Chrysler RPM Cylinder Head

RPM AMC/ Jeep Cylinder Head With Exhaust Crossover Complete

$1,347.50
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.
Out of stock
SKU
60139
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.
More Information
Manufacturer Edelbrock
Application Application Specific
UPC 00085347601394
Series Performer
Quantity Sold Individually
Guide Plate Material Hardened Steel
Camshaft Type Flat Tappet
Horsepower 300-450 HP
Availability Note Available to Order
Warranty 12 Months
Seat Angle Exhaust 45 deg/Intake 45 deg
Emissions Code
Hazardous Materials 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.
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
Material Aluminum
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