Description
A worn or improperly seated needle and seat directly compromises fuel delivery precision, leading to lean/rich conditions and erratic idle quality. The Holley 6-500-2 restores predictable fuel metering, essential for consistent carburetor performance and reliable tuning across varying engine loads. If you’re chasing repeatable lap times or stable street cruising, this is a foundational maintenance piece that shouldn’t be overlooked.
- Needle and Seat
- Adjustable configuration
- 0.110″ orifice
- Steel construction
- Holley carburetors compatible
- Supplied as pair
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