In a move that surprised no one, NASCAR has named Holley the official supplier of fuel injection throttle bodies to Sprint Cup competitors.
Starting in just two and a half months at the Daytona 500, electronic fuel injection is being required on all Sprint Cup engines by NASCAR. Now Holley has been named supplier of the critical throttle body portion of the new injection systems. By using one spec throttle body NASCAR can control the ultimate airflow to Sprint Cup engines.
Holley is manufacturing the throttle bodies in the same Bowling Green, Kentucky plant where most NASCAR spec carburetors have been made. Holley has been the carburetor supplier to NASCAR since the 1960s, but that is all history now that NASCAR is requiring electronic multi-port fuel injection.
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