Description
Fine-tune your Holley carburetor’s fuel delivery with confidence using these precision-machined main jets. Whether you’re chasing the perfect air/fuel ratio on the strip or dialing in your street build, the right jet size makes all the difference. Grab a pair and get your tune exactly where it needs to be.
- Part Number: 122-104
- Jet Number: #104
- ID Size: 0.134 in.
- Material: Brass
- Fitment: Holley carburetors
- Quantity: Sold as a pair
- Type: Carburetor main jet
Holley’s brass construction ensures consistent flow and long-lasting durability, so you can trust every pass down the track or every mile on the road. Having a spare set of jets on hand is always a smart move for any serious tuner — don’t let a simple jet swap slow you down.






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