Holley Accelerator Pump Tuning Kit For Holley 2 BBL And 4 BBL Performance Carburettor

This tuning kit is composed of a selection of accelerator pump hardware components including pump diaphragms, pump nozzles, pump Cams and related parts. Contained in a convenient plastic parts case, this kit has all that is required to properly tune and calibrate the accelerator pump circuit(s) for your street, drag or circle track car or tow vehicle. A handy parts guide is affixed to the inside case cover to assist in reordering components when necessary.