Advanced Product Design (APD) are the newest innovation in the traditional four barrel carburettor design. APD carbs are fully CNC machined for accuracy then hard anodized for durability and stunning looks.
APD carbs have superior fuel metering that deliver maximum performance, sharp throttle response and consistency. APD carbs are available in 4150 square bore style from 600 to 1040 cfm and 4500 Dominator from 1050 to 1600 cfm. The APD “Max Speed” throttle stop carbs have dominated the Super Gas and Super Comp categories in the USA. APD carbs are available for pump and race gasoline, E85 as well as methanol. Custom carbs for twin tunnel ram, blower specific and Procharger “blow through” applications are available.