Holley Accelerator Pump Discharge Nozzle 0.042" Hole Size Tube Type (HO121-42) 30501-K0404 NEW Redesigned throttle shaft and

NEW Redesigned throttle shaft and plate geometry for a smoother throttle feel

Modern day fuel injection systems require a signal from the crank to determine it's position and a signal from the camshaft to determine it's position for injection timing

5 In (114 Mm)

It has 8 Ceramic buttons on each side with a sprung center hub designed to look after your drivetrain with a small amount of modulation for smoother engagement

** STAGE 3 CLUTCH KIT – ORGANIC **

Holley Accelerator Pump Discharge Nozzle 0.042" Hole Size Tube Type (HO121-42) 30501-K0404 NEW Redesigned throttle shaft andHO121 42 ACC PUMP DISCHARGE NOZZLE. 042, Including 4 Gaskets Part Number: HO121 42 Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake manifolds, and much more. From start to finish, Holley has the parts to make your dream a reality.