Holley 50cc Accelerator Pump Conversion Kit for Holley 2300, 4150 and 4500 carburetors includes New Pump Housing, Stud, Arm, Diaphragm, Spring, Longer Pump Housing Screws.
- Holley Accelerator Pump Conversion
- 30 cc to 50 cc
- Holley 2300 / 4150 / 4160 Carburetors
- Kit