A genuine Holley adjustable inlet needle with a steel tip, .150″ seat size, engineered for racing applications and compatible with fuel additives including alcohol, benzene and acetone blends.
- Brand: Holley
- Category: Carburetor Components
- Application: Carburetors requiring a .150″ seat size (per Holley’s sizing guide: 750 CFM and larger carburetors generally need a larger seat size than .110″).
- Part No: HLY-6-519-2
Holley Performance Products is a US manufacturer of carburetors, fuel systems and EFI for street and racing engines.






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