Edelbrock Performer RPM 454-O Oval Port Aluminum Cylinder Head
350-60459
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Performer RPM Aluminum Cylinder Heads - Oval Port
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: | 110cc |
| Intake Runner Volume: | 290cc |
| Exhaust Runner Volume: | 110cc |
| Intake Valve Diameter: | 2.19'' |
| Exhaust Valve Diameter: | 1.88'' |
| Valve Stem Diameter: | 11/32'' |
| Valve Guides: | Manganese Bronze |
| Deck Thickness: | 9/16'' |
| Valve Spring Diameter: | 1.55'' |
| Valve Spring Maximum Lift: | 0.700'' |
| Rocker Stud: | 7/16'' |
| Guideplate: | Hardened Steel 3/8'' |
| Pushrod Diameter: | 3/8'' |
| Valve Angle: | 26° |
| Exhaust Port Location: | Stock |
| Spark Plug Fitment: | 14mm x 3/4'' Reach, Gasket Seat |
| Valve Lift | Intake | Exhaust |
| .100'' | 74 | 71 |
| .200'' | 143 | 128 |
| .300'' | 207 | 153 |
| .400'' | 250 | 178 |
| .500'' | 284 | 200 |
| .600'' | 309 | 218 |
| .700'' | N/A | N/A |
| Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28'' H2O | ||
Specifications:
Motor Vehicles
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Tools:
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Electrical Cords
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.