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![Holley Accelerator Pump Cam Kit 2300/4150/4160 Carburettor Kit (43819) (20-12) - Picture 2 of 12](https://i.ebayimg.com/images/g/sLYAAOSw2zxlbsic/s-l500.png)
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Holley Carburetor Accelerator Pump Cam Adjustment Kit Ho20-12
Price:
AU $91.08
Free postage
Returns:
30-day returns. Buyer pays for return postage.
Condition:
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. A steeply-rising ramp shape will give a fast, heavy fuel shot right off idle.