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Edelbrock Victor Jr. 20° Aluminum Cylinder Head for Small Block Ford
350-77189
Items You Need
Victor Jr. Aluminum Cylinder Heads
Note: Aftermarket 289/302 heads including Brodix, Edelbrock, Ford Motorsport and World Products with 1/2'' bolt hole diameters (block is 7/16'' bolt hole), except 397-M-6049-P303 (''P'' style head). Require 350-9680 inserts with 350-8552 head bolt or 350-9680 insert with 070-154-3601. If head studs are desired use 070-154-4005 (includes inserts).
Tech Tip: To gain more spark plug clearance, Edelbrock recommends using Champion RC Series plugs such as the RC12YC (P/N 192-49776). They are 0.230'' shorter than a conventional spark plug and have a 5/8'' hex for easier access.
| Valve Lift | Intake | Exhaust |
| .100'' | 64 | 54 |
| .200'' | 127 | 108 |
| .300'' | 186 | 140 |
| .400'' | 234 | 167 |
| .500'' | 268 | 189 |
| .600'' | 291 | 195 |
| .700'' | 285 | 199 |
| Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28'' H2O | ||
Specifications:
Victor Jr. Series Heads are perfect for OE-Performance engines with stock valve train and pistons for bolt-on performance. Available as a complete head which includes valves, springs & retainers or as a bare head so the valve springs can be matched with recommendations from the camshaft manufacturer.
Victor & Victor CNC Series Heads are designed for use in racing applications. Some of the best racers in the country rely on Edelbrock's Victor and Victor CNC series heads to help them win the race. These heads feature raised runners, revised combustion chambers and relocated valves for all-out performance in competition engines.
Victor Jr. 20° Victor 15° Combustion Chamber Colume 60cc / 70cc 47cc Intake Runner Volume 210cc 240cc Exhaust Runner Volume 75cc 80cc Intake Valve Diameter 2.05" 2.125" (Recommended; Not Included) Exhaust Valve Diameter 1.60" 1.625" (Recommended; Not Included) Valve Stem Diameter 11/32" 11/32" Valve Guides Manganese Bronze Manganese Bronze Deck Thickness 5/8" 5/8" Valve Spring Diameter 1.55" N/A Valve Spring Maximum Lift .650 (Hyd Roller) / .670 (Mech Roller) N/A Rocker Stud 7/16" N/A Guideplate Hardended Steel N/A Pushrod Diameter 5/16" N/A Valve Angle 20° 15° Exhaust Port Location Raised .130" 2.5" Spread; Raised .520" Spark Plug Fitment 14mm x 3/4 reach, gasket seat 14mm x 3/4 reach, gasket seat
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