Holley 122-52 Carburetor Standard Main Jet Vacuum Advances ensuring optimal performance and longevity

ensuring optimal performance and longevity for your vehicle

High Performance: Effectively filters contaminants from engine oil to protect your engine and enhance its lifespan

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Crf450R 02-23

Holley 122-52 Carburetor Standard Main Jet Vacuum Advances ensuring optimal performance and longevityThese Metering Orifices Control Fuel Flow Into The Metering System. They Are Rated In Flow Capacity ''Cubic Centimeters Per Minute'' And Are Changeable For Tuning Purposes. The Shape Of The Entry, Exit, And Size Determines Flow. All Holley Main Jets Are Flow Tested And Then Stamped With The Correct Number.