Brad i orderd and paid in full for a custom built set of 6-pack carbs that were surpose to rund right up on my fresh built 440 ! What whas inqluded in that deal whas new billet jets plates for the outer carbs to be Abel to use screw in jets and a billet jet plate for the center carb whit screw in emulution jets and topt that whit a billet throttel plate for the rear carb whit 45 deg idel mixture so i could set that carbs idel mix whitout having to take it of the intake to adjust and al this whas surpose to have been tested Before delivery...... some kind of a bench test if i recolekt but what i ended up whit whas a crack in the center carbs jet plate that leakt fuel and no what so ever jets in the rear carbs so gues how ritch that engien ran ! I caled the owner up and told him what i discoverd and had issues whit and at first he tryed to some how blame me for the loss of the outer jets like they might had falen of the fuel bowl when i opend up the carb as they might not have been tighten corekt but that ended up whit a human error explanation and he told me that in al his years he never had a crack in any of his billet jet plates for the center carbs toe i pointed out that there were on in mine. That clown ended up whit saying if you need anything else just let us know so gues if i ever buy anything from Pro Max Carb ever again !? No way in He11