Accelerator Pump Cam Kit - Color Coded - Plastic - Holley 2300 / 4150 / 4160 Carburetors - Kit

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Reference Information

Accelerator Pumps, Cam Assortment, Plastic, Black, Pink, White, Red, Green, Orange, Blue, Brown, Yellow, Screw, for Model 2300, 4150, 4160, Kit

Holley accelerator pump cams will allow you to "tailor" accelerator pump performance to your engine's actual requirements. They include cams that have a different shape or profile to give different results. Cam "lift" directly affects the accelerator pump stroke, and, therefore, pump capacity. Ramp profile or shape controls the "timing" of the shot. A steeply-rising ramp shape will give a fast, heavy fuel shot right off idle. Conversely, a gently sloping ramp will spread the pump action over a longer period of time.