This is a custom built holley 4412-500 with annular discharge nozzles. The venturi's have been enlarged to maintain flow because of the larger boosters.
Chrome plated float bowl with removeable plugs so the main jets can be changed with a holley special tool which is also supplied. Float is a braswell road race float & the needle & seat is bottom feed to prevent air bubbles in the fuel in the float bowl.
Has quickfuel technologies metering block with custom emulsion bleeds.
Fuel curve has been tested with an innovate wideband A/F tester 14.7 cruise, 12.9 WOT. This testing was on a small engine.
Comes with summit racing fuel filter & AN fuel line.
The main body has removable air bleeds & fuel bleeds to achieve the above results.
Annular Discharge nozzles are desired for using a large carb on a small engine to get a decent vacuum signal for proper metering.
Any questions call me at 843-860-9000 after 12:00 pm eastern time to 10:00 pm eastern time. Or PM me.
Cost is $295.00 plus shipping to your zip code.
I only accept USPS money orders.