Holley 50cc Accelerator Pump Conversion Kit 20-11 & 20-11SA

• High capacity 50cc pump upgrade - Increases fuel delivery to eliminate hesitation and improve throttle response under load.
• Complete conversion kit - Includes all required components for upgrading from a standard 30cc accelerator pump setup.
• Two finish options available - Choose between classic zinc or polished aluminium to suit your build.

This Holley 50cc accelerator pump conversion kit is designed to deliver increased fuel volume during rapid throttle input, helping eliminate flat spots and improve overall drivability. Ideal for performance applications such as heavier vehicles or aggressive setups, it provides a stronger pump shot for smoother acceleration. This listing includes two variants, allowing you to select either a traditional zinc finish or a polished aluminium housing with gold hardware to match your carburettor.

Specifications

• Type: Accelerator pump conversion kit
• Pump capacity: 50cc
• Compatibility: Holley 4150 and 4160 carburettors
• Includes: Pump housing, lever arm, pump stud, diaphragm, spring, longer screws
• Brand: Holley

Variants

• Standard - Part #20-11 (zinc housing)
• Shiny Aluminium - Part #20-11SA (polished aluminium housing with gold hardware)