""If we are talking a new carb, doesn't the quick change spring kit, choke, and secondary metering block pretty much equal a holley street avenger or quick fuel slayer?


The QF Slayer also has:

""the Slayer™ provides all of the popular options: changeable idle air and high-speed air bleeds, 3-stage emulsion circuits, changeable primary idle feed restrictions and power valve restrictions. A real welcomed feature is the QFT QuickSet adjustment on the vacuum secondary diaphragm that provides a quick external twist adjustment without changing springs. Secondary metering can be altered with changeable main jets and the secondary float is also notched for jet extensions.