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Carburetor Accelerator Pump Conversion Kits, 50cc Diaphragm Volume, Gasoline, Holley, 2300, 4150, 4160, Kit

Holley carburetor accelerator pump conversion kits offer instantaneous response to pull strongly through the rpm band! A must for tunnel ram setups, these kits are ideal for those who demand ultimate performance from their Holley carbs. These kits increase fuel capacity and eliminate flat spots off idle, or at any other rpm range. These kits include everything required for an easy installation including a new pump housing, stud, arm, diaphragm, spring, and longer pump housing screws.