Edelbrock 1428 Metering Jet<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Gasoline type</li><li>Drill size is 0.100 inch</li><li>Made of brass</li><li>For altitude or high test fuel main metering jet can be replaced with leaner than standard metering jets</li><li>Jet and rod is changed to get the cruise air/fuel ratio leaned out</li></ul></div><img src="http://ecx.images-amazon.com/images/I/416jPetl39L.jpg" noproxy>