Walker Fuel Accelerator Pump Cam Assortment 20-12
Accelerator Pump Cam Assortment Kit - Tailor your Carb's fuel shot!
Accelerator pump shot relative to cam color from lightest to heaviest are as follows: White, Blue, Red, Orange, Black, Green, Pink & Brown
- Tailor Accelerator Pump Performance
- Each Cam Is Different Shape/Profile
- Gives Different Results
DetailsThese Holley accelerator pump cams will allow you to "tailor" accelerator pump performance to the 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.
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