The Holley 2300 Circle Track 500 CFM 2-bbl Carburetor is a revised edition of the popular street version with a few changes made specifically for oval track racing sanctioning rules. The choke horn has been removed for improved flow and ease of specification checks as well as special circle track calibration. This carburetor is designed to be a race winner right out of the box!
50cc accelerator pump
1 timed (spark) port, 1 full vacuum, & 1 PCV port
Also mandated carbs for some oval track racing sanctioning bodies
Ford A/T kickdown, does not work with A.O.D. transmissions
Calibrated specifically for circle track use