Holley#510-34-7Needle & Seat Hardware Kit
These Genuine Holley Needles, Seats and Components are designed to replace worn, damaged or lost items to keep your carburetor operating perfectly!
Steel-tipped seat is required for use with alcohol or other fuels corrosive to rubber. All are adjustable and sold 2/pkg.
Viton-tipped needle resists dirt and conforms well to the seat for superior sealing. Most are adjustable and sold 1/pkg or 10/pkg (Gasoline only).
The lightweight, high strength titanium needle design is very responsive to changes in flow rate and has excellent sealing capabilities. The .150'' seat is capable of high flow rates. Adjustable, Sold 1/pkg.
Needle and Seat Hardware Kit/Gaskets
The hardware kit is for use with Holley externally adjustable needle seat assemblies. The Needle and Seat Gaskets are the same adjusting nut gasket and locking screw gasket included in the hardware kit but sold 10/pkg for the carburetor builder or track side spares.