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Victor 24° Rectangle Port - 340cc
The best standard port location cylinder head available for B/B Chevys, the Victor 24° features a rolled over deck, altered valve locations and partially CNC'd chambers for cost effective performance. Starting with an A356 aluminum casting - heat treated to T6 spec, they feature an extra thick deck and extra material in the spring pockets for a heavy-duty casting that can be used with high-lift cams and heavy spring combinations. Edelbrock equips the complete heads with your choice of spring packages to suite hydraulic or mechanical camshafts. Choose a hydraulic spring package for flat tappet or hydraulic roller cams up to .700" lift. Mechanical roller cam spec heads include Manley dual-spring valve springs & titanium retainers good for up to .880" lift. The 340cc rectangle ports produce impressive flow and great power on competition big-blocks with 4.470" or larger bore. Exhaust port exits are raised .534" to greatly improve exhaust flow and power. #77439 is a great option for custom porting - seats and guides are included but not installed and the chambers are left unmachined.
Cylinder Head Specifications |
| Combustion chamber volume |
119cc |
| Intake runner volume |
340cc |
| Exhaust runner volume |
128cc |
| Intake valve diameter |
2.30" |
| Exhaust valve diameter |
1.90" |
| Valve stem diameter |
11/32" |
| Valve guides |
Manganese bronze |
| Deck thickness |
9/16" |
| Valve spring diameter |
1.550"/1.635" |
| Valve spring maximum lift |
.700"/.880" |
| Rocker stud |
7/16" |
| Guideplate |
Hardened steel |
| Pushrod diameter |
3/8" |
| Valve angle |
24° |
| Exhaust port location |
Raised .534" |
| Spark plug fitment |
14mm x 3/4 reach, gasket seat |
| Made In |
USA |
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Technical Notes: Matching stud girdle #7796 must be used with stud mounted rocker arms. 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 24° with 119cc Combustion Chamber (with springs for hydraulic flat tappet cams) |
77419* |
77429* |
| Victor 24° with 119cc Combustion Chamber (with springs for hydraulic roller cams) |
77419* |
77425* |
| Victor 24° with 119cc Combustion Chamber (Complete with springs for mechanical roller cams (up to .880" lift) |
77419* |
77409* |
| Victor 24° with 119cc Combustion Chamber (Unmachined chambers (seats and guides un-installed)) |
77439* |
N/A |
| Matching stud girdle for Victor 24° heads with adjustable nuts (pair) |
7796 |
N/A |
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Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28" H2O
| #77409 | #77429 |
| Valve Lift |
.100" |
.200" |
.300" |
.400" |
.500" |
.600" |
.700" |
| Intake |
80 |
159 |
234 |
295 |
343 |
369 |
380 |
| Exhaust |
62 |
123 |
164 |
197 |
223 |
241 |
255 |
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AMC
Small Block
