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Performer RPM Chrysler Magnum Heads
- Designed for 1992 & later 5.2L (318 c.i.d.) and 1993 & later 5.9L (360 c.i.d.) Chrysler Magnum style V8s
- Match with the Edelbrock RPM Air-Gap Magnum manifold #7577 for maximum horsepower and torque, see page 82
- Exhaust flanges in stock location to allow use of stock exhaust if desired
- Accepts widely available small-block Chevy adjustable rockers 1.6 ratio and classic valve covers #4177 and #41773
Cylinder Head Specifications |
| Combustion chamber volume |
58cc |
| Intake runner volume |
176cc |
| Exhaust runner volume |
75cc |
| Intake valve diameter |
2.02" |
| Exhaust valve diameter |
1.60" |
| Valve stem diameter |
11/32" |
| Valve guides |
Manganese bronze |
| Deck thickness |
5/8" |
| Valve spring diameter |
1.46" |
| Valve spring maximum lift |
.580" |
| Rocker stud |
3/8" |
| Guideplate |
Hardended steel |
| Pushrod diameter |
5/16" |
| Valve angle |
18° |
| Exhaust port location |
Stock |
| Spark plug fitment |
14mm x 3/4 reach, gasket seat |
| Made In |
USA |
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Technical Notes: Requires hardened pushrods, #9638. Match with Edelbrock head gasket sets. Recommended spark plugs 14mm x 3/4" reach with flat gasket seat (Champion RC12YC). |
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| Description |
Bare (Single) |
Complete (Single) |
| Performer RPM Chrysler Magnum (with springs for hydraulic flat tappet cams) |
61769* |
61779* |
| Performer RPM Chrysler Magnum (with springs for hydraulic roller cams) |
61769* |
61775* |
| Performer RPM Chrysler Magnum (Stock/Super Stock only) |
61767* |
N/A |
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Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench
| #61779 |
| Valve Lift |
.100" |
.200" |
.300" |
.400" |
.500" |
.600" |
.700" |
| Intake |
62 |
119 |
175 |
225 |
251 |
260 |
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| Exhaust |
52 |
105 |
142 |
169 |
185 |
190 |
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AMC
Small Block
