Holley Ultra XP Replacement Main Body 650 CFM HC Gray H753C42 Proper nitrous pressure is the

Proper nitrous pressure is the difference between extracting maximum power from your engine and finishing second

is notched and has uniform bends

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Transmission fluid temperature is the single biggest contributing factor to the lifespan of your automatic transmission

460/BIG BLOCK TIMING COVER

Holley Ultra XP Replacement Main Body 650 CFM HC Gray H753C42 Proper nitrous pressure is theWe all know things can happen at the track. While tuning your ride in for the perfect pass, screw holes could become worn or cross threaded. Rather than replacing your entire carburetor, Holley offers replacement main bodies for your Ultra XP. These aluminum main bodies are the identical units that we use to build the Ultra XP carburetors that you already know and love. Offered in sizes ranging from 600 cfm 950 cfm, Holley has you covered. SPECS: