This listing is for ONE billet metering  block for a Holley Ultra HP, but will also fit a Quick Fuel or BG Carb. This is a Holley factory part, not a copy or knockoff.

This is a 5 emulsion port metering block and is  fully adjustable! If you need a good one here it is.

If you need a pair, just purchase two and we  will combine shipping. Please check our feedback, we don't sell junk!

Thanks for looking!