Description Quickfuel new all aluminium Superchager carburettors  Designed for the customer who is running 2 x 4 set up and needs a 450 CFM carburettor. Features: Blower referenced Modified pumps and main circuits for supercharged applications Vacuum secondaries allow use on wide variety of vehicles Single feed fuel inlet Calibrated for excellent street/strip performance 1 boost reference port, 1 full vacuum, and 1 PCV port Performance upgrade mildly modified to highly modified vehicles Universal calibration for easy bolt-on performance Adjustable float level Sold as a pair *Set up to sit in line as shown in first photo. If side by side mounting is required, please contact us before purchase*