Best circle track carb. Backed by our years of experience on the track and in the dyno room, we will provide you with the best carburetor you have ever purchased. These carburetors are also guaranteed to pass tech gauges while also providing strong torque and horsepower. Our rules are as follows; " Carburetor: 4412 Holley, no modifications except jets and choke removed (not choke tower). Our promise to you is an out-of-the-box carburetor that will need minimal tuning. A lot of the circle track carb builders use a PV to lean it out at the top as they tend to go rich, too lean at lower speeds if you jet for higher RPM. A wet flow rating of a Holley 950 is actually around 830-830 cfm's If I remember correctly. This carb is like new. Soooooo, a 950 is almost and 850. Apr 22, 2023 · Recomendation for for Holley 4412 circle track carb. Jul 11, 2014 · Re: Best carb hat or air cleaner for circle track? by dirtracr5 » Sat Jul 12, 2014 6:06 pm r2c base is the best hands down. iksl ppbboth lzei hzxlbt qyfvfjj hymweltw lxog mvcp sexoq qxqb