4412S1 Holley® 2 BBL | Stage 1 | 500cfm

A Stage 1 Holley® 2 BBL starts with a core that shows the greatest “stock” airflow. Metering blocks are fully modified, and the jetting, power valve and accelerator pump circuits are calibrated for the specific application. These modifications are done to promote maximum off-the-corner torque as well as straight-away horsepower. A .130 needle and seat is installed for high RPM fuel delivery and the float is modified to control fuel slosh during cornering and braking. The carburetor is assembled using the highest quality components and finished with a 3/8″ fuel inlet.

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A Stage 1 Holley® 2 BBL starts with a core that shows the greatest “stock” airflow. Metering blocks are fully modified, and the jetting, power valve and accelerator pump circuits are calibrated for the specific application. These modifications are done to promote maximum off-the-corner torque as well as straight-away horsepower. A .130 needle and seat is installed for high RPM fuel delivery and the float is modified to control fuel slosh during cornering and braking. The carburetor is assembled using the highest quality components and finished with a 3/8″ fuel inlet.

# 4412S1

Additional information

Weight 14 lbs

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