4412-500 Carb. Many Mods. - Vintage Mustang Forums
 
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post #1 of 1 (permalink) Old 07-14-2019, 09:18 PM Thread Starter
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Location: SC
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4412-500 Carb. Many Mods.

Holley 4412-500 heavy modifications.
Pro-Billet Annular Discharge Nozzles.
Venturi diameter has been enlarged to 1 7/16"
Quick Fuel Tech Custom Metering Block. Has all orifices with removable jets.
Chrome Float Bowl-now discontinued. Has removable screw in inserts so main metering jets can changed without removing float bowl. Comes with jet removal tool.
Has special Braswell road race float & special needle & seat which induces fuel below fuel level to prevent bubbles.
Throttle shaft has been milled flat to increase air flow 20 CFM
Comes with automatic electric choke.
Converting CFM to 4 barrel standards is flows 395 CFM.
Recommended applications are a heavy modified 250 with iron cylinder head. Heavy modified 200 with aluminum cylinder head & also a 250 with aluminum head.
The only other carbs close to this one is on Gene Fiores's modified 250 & CRBobcat'''s.
Cost is $450.00 + shipping to your zip code.
Only on an engine once to get a baseline A/F #'s.
I accept paypal & usps money orders. PM or email [email protected]




67 mustang,C-4, with mod. 80 hd, custom 500 cfm carb with annular boosters, hooker headers, dual exh.-X pipe, flowmaster mufflers, duraspark II dist. with MSD-6AL. Engine 205" .030" over with offset ground crank & 1.65 roller rockers. 9.5 comp., Isky 262 cam.
2003 Ford Lightning daily driver. Recurving Distributors. [email protected]
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