This hollow discharge nozzle screw is designed for carburetor nozzle sizes of .040 and larger.
Specifications:
- Brand: Holley
- Category: Air and Fuel Delivery
- Color: Silver
- Material: Steel
- Part Type: Carburetor Accelerator Pump Nozzle Screw
- Product Type: Nozzle Screws
- Sub Category: Hardware, Fasteners and Fittings
- Part Number: 121-7
FAQ
What nozzle sizes is this screw designed for?
Nozzle sizes .040 and up.
What is it made of?
Steel with a silver finish.
What's the difference between the hollow and solid version?
The hollow discharge nozzle screw (121-7) is for larger nozzle sizes of .040 and up, while the solid version (121-6) is for nozzles up to .037.
What is the part number?
Holley part number 121-7.

