|
 |
Victor Jr. 20° - 210cc
- 500+ horsepower potential out-of-the-box using stock valve train geometry
- High-flowing 210cc intake ports and .130" raised 75cc exhaust ports
- Available with 60cc or 70cc combustion chambers
- 70cc combustion chambers are ideal for turbocharged and supercharged applications
- CNC gasket-matched port entries/exits with blended valve bowls
- Spark plug holes and valves are in the stock location
- Valve cover rail raised .150"
- A relief in the head allows most roller lifters to be changed without removing heads
Cylinder Head Specifications |
| Combustion chamber volume |
60cc / 70cc |
| Intake runner volume |
210cc |
| Exhaust runner volume |
75cc |
| Intake valve diameter |
2.05" |
| Exhaust valve diameter |
1.60" |
| Valve stem diameter |
11/32" |
| Valve guides |
Manganese bronze |
| Deck thickness |
5/8" |
| Valve spring diameter |
1.55" |
| Valve spring maximum lift |
.650 (flat-tappet) / .670 (roller) |
| Rocker stud |
7/16" |
| Guideplate |
Hardended steel |
| Pushrod diameter |
5/16" |
| Valve angle |
20° |
| Exhaust port location |
Raised .130" |
| Spark plug fitment |
14mm x 3/4 reach, gasket seat |
| Made In |
USA |
|
|
Technical Notes: Check cam manufacturer's specs for compatibility with valve springs. Recommended valve sizes. 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. |
| |
| Description |
Bare (Single) |
Complete (Single) |
| Victor Jr. 20° (60cc combustion chamber) - with springs for mechanical flat tappet or hydraulic roller cams |
N/A |
77189* |
| Victor Jr. 20° (60cc combustion chamber) - with springs for mechanical roller cams |
N/A |
77199* |
| Victor Jr. 20° (60cc combustion chamber) - Bare or with valves only (add your own springs) |
77169* |
77179* |
| Victor Jr. 20° (70cc combustion chamber) - add your own valves and springs |
77389* |
N/A |
|
Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench
| #77169 | #77179 | #77189 | #77199 |
| Valve Lift |
.100" |
.200" |
.300" |
.400" |
.500" |
.600" |
.700" |
| Intake |
64 |
127 |
186 |
234 |
268 |
291 |
285 |
| Exhaust |
54 |
108 |
140 |
167 |
189 |
195 |
199 |
|
AMC
Flathead
