Description
The fuel delivery system is only as good as its metering components, and a worn or damaged inlet needle and seat will cause lean-out conditions, hesitation, and unpredictable jetting behavior. The Holley Viton Inlet Needle & Seat 6-518-2 restores precise fuel control and consistent float bowl regulation, ensuring repeatable performance whether you’re tuning on the dyno or running hard at the track. Viton material resists fuel degradation and thermal stress far better than standard rubber, making this an essential wear item for carburetors seeing regular use.
- Viton construction
- 0.120″ orifice size
- Adjustable design
- Pair included
- Holley carburetor compatible
- Direct bolt-on replacement
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