This new screw is used on Holley 4180 model carbs. This will also fit models 2300, 4150, 4160, 4165 & 4175. Holley Accelerator Pump Nozzle Solid Hold Down Screw. You will receive ONE screw. NOTE:These WILL NOT fit Model 4010 & 4011.
Holley Model 4180 Nozzle Hold Down Lock Plate
Holley Model 4180 Nozzle Hold Down Screw And Lock Plate.
Holley Model 4180 Idle Mixture Screws With O-Ring Gaskets. Set Of Four.
Holley Model 4180 Blue Gasket Kit For Vacuum Secondary 600 CFM Carbs
Holley Model 4180 Idle Mixture Screws With O-Ring Gaskets - Twin Pack.
Holley Model 4180 Series Vacuum Secondary Linkage Rod.