Edelbrock Performer RPM FE 390-428 Cobra Jet Aluminum Cylinder Head for Ford FE
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Performer RPM FE Aluminum Heads
Note: 72cc chamber heads have both vertical and diagonal exhaust bolt patterns. 76cc heads have vertical exhaust bolt pattern only.
Tech Tip: To gain more spark plug clearance, Edelbrock recommends using Champion RC Series plugs such as the RC12YC (P/N 192-49776). They are 0.230'' shorter than a conventional spark plug and have a 5/8'' hex for easier access.
|Combustion Chamber Volume:||72cc|
|Intake Runner Volume:||170cc|
|Exhaust Runner Volume:||125cc|
|Intake Valve Diameter:||2.09''|
|Exhaust Valve Diameter:||1.66''|
|Valve Stem Diameter:||3/8"|
|Valve Guides:||Manganese bronze|
|Valve Spring Diameter:||1.55"|
|Valve Spring Maximum Lift:||.600"|
|Exhaust Port Location:||Stock|
|Spark Plug Fitment:||14mm x 3/4'' Reach, |
|Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28'' H2O|
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.