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Victor Jr. 23° - 215cc
Affordable maximum power head for competition and ultra high-performance street. 530-580 hp potential, out-of-the-box, for a cost effective, race-winning set-up. 64cc chambers yield about 12.5:1 compression
with a 12cc domed piston in a 350 V8. Accepts standard 23° valvetrain hardware.
Cylinder Head Specifications |
| Combustion chamber volume |
64cc & 70cc |
| Intake runner volume |
215cc |
| Exhaust runner volume |
85cc |
| Intake valve diameter |
2.08" |
| Exhaust valve diameter |
1.60" |
| Valve stem diameter |
11/32" |
| Valve guides |
Manganese bronze |
| Deck thickness |
9/16" |
| Valve spring diameter |
1.55" |
| Valve spring maximum lift |
.650" |
| Rocker stud |
7/16" |
| Guideplate |
Hardened steel |
| Pushrod diameter |
5/16" |
| Valve angle |
23° |
| Exhaust port location |
Raised .300" |
| Spark plug fitment |
14mm x 3/4 reach, gasket seat |
| Made In |
USA |
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Technical Notes: Check cam manufacturer's specs for compatibility with valve springs, see pages 168-169 for spring rates. Match with Edelbrock head gasket sets on pages 126-128. Use Head Bolt Kits on page 164 for easy installation. These heads require the use of a 14mm x 3/4" reach, flat gasket spark plug with a heat range appropriate to your application. |
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| Description |
Bare (Single) |
Complete (Single) |
| Victor Jr. 23° with 64cc Combustion Chambers (with springs for mechanical flat tappet and hydraulic roller cams) |
N/A |
77589* |
| Victor Jr. 23° with 64cc Combustion Chambers (with springs for mechanical roller cams) |
N/A |
77599* |
| Victor Jr. 23° with 64cc Combustion Chambers Bare or with valves only (add your own springs) |
77569* |
77579* |
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| Description |
Bare (Single) |
Complete (Single) |
| Victor Jr. 23° with 70cc Combustion Chambers (with springs for mechanical flat tappet and hydraulic roller cams) |
N/A |
77619* |
| Victor Jr. 23° with 70cc Combustion Chambers (with springs for mechanical roller cams) |
N/A |
77629* |
| Victor Jr. 23° with 70cc Combustion Chambers Bare or with valves only (add your own springs) |
77639* |
77649* |
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Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28" H2O
| #77569 | #77579 | #77589 | #77599 | #77619 | #77629 | #77639 | #77649 |
| Valve Lift |
.100" |
.200" |
.300" |
.400" |
.500" |
.600" |
.700" |
| Intake |
67 |
119 |
177 |
226 |
265 |
281 |
285 |
| Exhaust |
64 |
112 |
153 |
188 |
207 |
217 |
220 |
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AMC
Small Block
