Holley Performance 20-145 Carburetor Accelerator Pump Arm

(Gold);

Replacement parts to keep your carb running like new. Holley accelerator pump arms are designed to fit Holley carburetors. They are available in steel or plastic, depending on the carburetor model. These pump arms include an adjustable screw to set the air gap between the arm and the accelerator pump diaphragm housing.;