Description
Proper jetting is foundational to carburetor tuning—get it wrong, and you’re leaving horsepower on the table or running dangerously lean. These Holley Main Jets deliver precise fuel metering at cruise and part-throttle conditions, directly impacting throttle response, fuel economy, and engine reliability. If you’re tuning a Holley carb for peak performance, dialing in the correct main jet size is non-negotiable.
- Carburetor jet pair
- Holley-compatible
- 0.052 in. ID
- Number 53 sizing
- Brass construction
- Bolt-on replacement
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