680 CFM - 4150 - Vacuum Secondaries - Shiny - GasolineThe Hot Rod Series is a versatile performer designed for the most discerning street enthusiast. Featuring lightweight die cast aluminum components, the HR Series offer all the tunability you would expect from more expensive racing carburetors, including changeable bleeds, idle feed, power valve channel restrictions, and four corner idle. Offered in either vacuum or mechanical secondary models, all Hot Rod Series carburetors feature electric chokes and