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.
WarrantyInstallation InstructionsThis Part Fits:
| Year |
Make |
Model |
Submodel |
| 1967 |
American Motors |
Ambassador |
880 |
| 1967 |
American Motors |
Ambassador |
990 |
| 1968-1970 |
American Motors |
Ambassador |
Base |
| 1971-1974 |
American Motors |
Ambassador |
Brougham |
| 1968-1971 |
American Motors |
Ambassador |
DPL |
| 1968-1972 |
American Motors |
Ambassador |
SST |
| 1967 |
American Motors |
American |
220 |
| 1967 |
American Motors |
American |
440 |
| 1967 |
American Motors |
American |
Rogue |
| 1968-1970 |
American Motors |
AMX |
Base |
| 1971,1973-1974 |
American Motors |
Hornet |
Base |
| 1971 |
American Motors |
Hornet |
SC/360 |
| 1971-1974 |
American Motors |
Hornet |
Sportabout |
| 1971-1972 |
American Motors |
Hornet |
SST |
| 1971-1974 |
American Motors |
Javelin |
AMX |
| 1968-1974 |
American Motors |
Javelin |
Base |
| 1968-1972 |
American Motors |
Javelin |
SST |
| 1970 |
American Motors |
Javelin |
SST Mark Donohue |
| 1970 |
American Motors |
Javelin |
SST Trans Am |
| 1971-1978 |
American Motors |
Matador |
Base |
| 1974 |
American Motors |
Matador |
Brougham |
| 1974 |
American Motors |
Matador |
X |
| 1969 |
American Motors |
Rambler |
Hurst SC/Rambler |
| 1969 |
American Motors |
Rambler |
Rogue |
| 1967-1968 |
American Motors |
Rebel |
550 |
| 1967-1968 |
American Motors |
Rebel |
770 |
| 1969-1970 |
American Motors |
Rebel |
Base |
| 1967-1970 |
American Motors |
Rebel |
SST |
| 1970 |
American Motors |
Rebel |
The Machine |
| 1974-1983 |
Jeep |
Cherokee |
Base |
| 1981-1982 |
Jeep |
Cherokee |
Chief |
| 1981 |
Jeep |
Cherokee |
Laredo |
| 1983 |
Jeep |
Cherokee |
Pioneer |
| 1974-1980 |
Jeep |
Cherokee |
S |
| 1978-1980 |
Jeep |
Cherokee |
Wide Track |
| 1975-1983 |
Jeep |
Cherokee |
Wide Track Chief |
| 1979-1980 |
Jeep |
Cherokee |
Wide Track Golden Eagle |
| 1980-1983 |
Jeep |
Cherokee |
Wide Track Laredo |
| 1980 |
Jeep |
Cherokee |
Wide Track Limited |
| 1984-1991 |
Jeep |
Grand Wagoneer |
Base |
| 1984-1985 |
Jeep |
Grand Wagoneer |
Limited |
| 1972-1973 |
Jeep |
J-2500 |
Base |
| 1972-1973 |
Jeep |
J-2600 |
Base |
| 1972-1973 |
Jeep |
J-4800 |
Base |
| 1974-1988 |
Jeep |
J10 |
Base |
| 1974-1988 |
Jeep |
J20 |
Base |
| 1972-1982 |
Jeep |
Wagoneer |
Base |
| 1982-1983 |
Jeep |
Wagoneer |
Brougham |
| 1973-1976 |
Jeep |
Wagoneer |
Custom |
| 1979-1983 |
Jeep |
Wagoneer |
Limited |
