Description
Proper jetting is fundamental to carburetor tuning—get it wrong and you’re leaving horsepower on the table or running lean enough to damage your engine. These Holley main jets deliver the precise fuel metering your carb needs for optimal air-fuel ratio across the load range. Whether you’re fine-tuning a street engine or dialing in a race car, having quality jets on hand ensures you can respond quickly to altitude changes, fuel variations, or performance modifications.
- Holley main jets
- 0.129″ inner diameter
- Size #100 specification
- Brass construction
- Sold as pair (2)
- Direct fit Holley carburetors
- Bolt-on installation
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