Description

The Edelbrock #60119 Performer RPM Cylinder Heads are designed as a bolt-on performance upgrade for any 1967-91 AMXJavelin or Jeep with a 343360390 or 401 AMC V8 engine.The Edelbrock #60119 Performer RPM cylinder head is designed as a bolt-on performance upgrade for any 1967-91 AMXJavelin or Jeep with a 343360390 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 patternscovering 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 boltsThis 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.

Assembled: Yes

Camshaft Type: Flat Tappet

CNC Ported: No

Combustion Chamber Volume: 54 CCM

Construction Type: Complete

Cylinder Head Gasket Included:No

Deck Height:9.175 IN

Deck Thickness: 0.625″

EGR Port: No

Exhaust Port Location: Standard

Exhaust Runner Volume: 70 CCM

Exhaust Valve Diameter: 1.60″

Family: Performer RPM

Grade Type: Performance

Guide Material: Manganese Bronze

Guide Plate Material: Hardened Steel

Guide Plate Material:Chromoly Steel

Guide Plates Included: Yes

Head Casting Number:31-6013

Horsepower: 300-450 HJ

Intake Runner Volume: 185 CCM

Intake Valve Diameter: 2.02″

Material: Aluminum

Mounting Hardware Included: No

Push Rod Diameter: (Suggested) 0.3125 Inch

Quantity: Sold Individually

Retainer Included: Yes

Rocker Arm Stud Diameter: 0.375 Inch

Rocker Arm Studs/Bolts Included:Yes

Rocker Arms Included:No

Seat Angle: Exhaust 45 deg/Intake 45 DD

Seat Material: Ductile Iron

Series: Performer RPM

Valve Angle: 18 DD

Valve Cover Gasket Included: No

Valve Lock Material:Chromoly Steel

Valve Lock Material:Steel

Valve Locks Included:Yes

Valve Seals Included: Yes

Valve Spring Diameter: 1.55 Inch

Valve Spring Maximum Lift: 0.580 Inch

Valve Spring Retainers Included:Yes

Valve Springs Included: Yes

Valve Stem Diameter: 0.34375 Inch

Valves Included:Yes