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New Custom Holley 4412-500 Carb. Many Mods, Annular Discharge Nozzles+++

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New Custom Holley 4412-500 Carb. Many Mods, Annular Discharge Nozzles+++

Post #1 by wsa111 » Sat Aug 01, 2020 11:46 am

The is a new Holley 4412-500 carb. with the following modifications.
Chrome Float Bowl with removable plugs, so jets can be changed without removing float bowl. Comes with tool to remove jets-not shown.
Has Braswell road race float & needle & seat which discharges fuel below fuel level to prevent air bubbles.
Quick-Fuel Tech. custom metering block with idle jet relocated below fuel level.
Body has venturi enlarged & has pro-flow annular discharge nozzles.
Throttle shaft has been thinned to increase flow.
Actual flow in 4bbl #'s is 390-400 cfm.
Has been on my engine once to calibrate jets, air bleeds with an innovate wide band A/F tester. Might have to be richened up for a larger engine.
Ideal for a very highly modified 200-250 with the aluminum head or a heavily modified iron head with direct mount.
Comes with automatic choke.
Cost is $595.00. N/C shipping to the USA.
PM me or email
67 mustang,C-4, with mod. 80 hd, custom 500 cfm carb with annular boosters, hooker headers, dual exh.-X pipe, flowmaster mufflers, DSII dist. MSD-6425CL & MSD-Blaster 8252 Coil. 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.

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