Edelbrock Performer RPM Cylinder Head for Small Block Chevy
350-60899
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Performer RPM Small Block Aluminum Straight Plug Cylinder Heads
Installation Notes: When using stock rockers on SB-Chevy Performer & Performer RPM heads, .100'' longer than stock pushrods are required. Due to valve-to-cylinder bore interference, SB-Chevy heads may not be used on engines with less than 4'' bore (262, 265, 283, 305, 307 c.i.d.) except with camshafts having less than .450'' valve lift.
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: | 64cc |
| Intake Runner Volume: | 195cc |
| Exhaust Runner Volume: | 65cc |
| Intake Valve Diameter: | 2.02'' |
| Exhaust Valve Diameter: | 1.60'' |
| Valve Stem Diameter: | 11/32'' |
| Valve Guides: | Manganese Bronze |
| Deck Thickness: | 9/16'' |
| Valve Spring Diameter: | 1.46'' |
| Valve Spring Maximum Lift: | 0.575'' |
| Rocker Stud: | 3/8'' |
| Guideplate: | Hardened Steel |
| Pushrod Diameter: | 5/16'' |
| Valve Angle: | 23° |
| Exhaust Port Location: | Stock |
| Spark Plug Fitment: | 14mm x 3/4'' Reach, Gasket Seat |
| Valve Lift | Intake | Exhaust |
| .100'' | 63 | 51 |
| .200'' | 124 | 94 |
| .300'' | 181 | 128 |
| .400'' | 227 | 146 |
| .500'' | 253 | 157 |
| .600'' | 253 | 163 |
| .700'' | N/A | N/A |
| Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28'' H2O | ||
Specifications:
What would the issue be if installed on a 1994 350 ?
What’s the max lift you can run with the included springs ?
Is this just 1 head or the set?
What headers will fit putting the heads on a 84 k10
Best headers for this application
What valve covers are recommended for these heads, will stock height work or will I need tall valve covers
What it the biggest spring the spring seat will accommodate?
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