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Performer RPM 460 CJ - 310cc
- Designed for 1968-87 429/460 Fords and the SVO 514 engine
- Machined profile Cobra Jet-style intake port entries
- Victor Jr. heads #61669 are complete with titanium retainers and high-quality valve springs suitable for use with solid roller camshafts
- On a 514-inch engine, these heads are capable of 624 hp on 91 octane gas... that beats the competition by over 65 horsepower!
Cylinder Head Specifications |
| Combustion chamber volume |
75cc |
| Intake runner volume |
310cc |
| Exhaust runner volume |
100cc |
| Intake valve diameter |
2.19" |
| Exhaust valve diameter |
1.76" |
| Valve stem diameter |
11/32" |
| Valve guides |
Manganese bronze |
| Deck thickness |
5/8" |
| Valve spring diameter |
1.55" |
| Valve spring maximum lift |
.700" |
| Rocker stud |
7/16" |
| Guideplate |
Hardended steel |
| Pushrod diameter |
3/8" |
| Valve angle |
TBD |
| Exhaust port location |
Stock |
| Spark plug fitment |
14mm x 3/4 reach, gasket seat |
| Made In |
USA |
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Technical Notes: Match with Edelbrock head gasket sets. Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. |
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| Description |
Bare |
Complete |
| Performer RPM 460 CJ (with springs for hydraulic flat tappet cams) |
61659* |
61649* |
| Performer RPM 460 CJ (with springs for hydraulic roller cams) |
61659* |
61645* |
| Performer RPM - 310cc (75cc) (Super Stock only) |
61657* |
N/A |
| Victor Jr. 460 CJ (solid roller cams) |
N/A |
61669* |
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Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench
| #61649 | #61659 |
| Valve Lift |
.100" |
.200" |
.300" |
.400" |
.500" |
.600" |
.700" |
| Intake |
76 |
140 |
207 |
260 |
300 |
319 |
326 |
| Exhaust |
67 |
118 |
153 |
180 |
200 |
207 |
207 |
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AMC
Flathead
