Holley Carburetor Needle And Seat Assembly (MPN: 6-518-2)

High flow adjustable needle and seat for Holley carburetors.

Holley offers a range of needle and seat assemblies designed for use with most Holley performance carburetors. These assemblies feature a high flow design that allows for optimal fuel delivery based on the carburetor application and seat size. The needle movement is controlled by a metal tang on the float arm, ensuring precise operation as the float moves up and down. The seat size plays a critical role in determining fuel flow, with larger sizes allowing for increased flow at a given pressure.

The Viton tipped needle is engineered to resist dirt and provides a superior seal by conforming to the shape of the seat. This design enhances the reliability and performance of the carburetor, making it suitable for racing applications. Holley performance carburetors are recognized for their quality and ease of tuning, making them a preferred choice among builders, racers, and drivers. This assembly comes as a set of two and includes all necessary hardware for installation.

Features

• A Bigger Seat Size Will Flow More Fuel, A Smaller Seat Size Will Flow Less Fuel At A Given Pressure
• The Viton Needle Design Is Resistant To Dirt And Conforms Nicely To The Shape Of The Seat For Superior Sealing
• Holley Performance Carburetors Are The Gold Standard For Quality, Reliability And Ease Of Tuning
• Industry’s Leading Offering Of Enthusiast-Driven Products To Deliver Robust, Complete Performance Solutions For Builders, Racers, And Drivers

Specifications

• Manufacturer: Holley Performance
• Manufacturer Part Number: 6-518-2
• Compatibility: Most Holley Performance Carburetors
• Recommended Use: Racing
• Flow Type: High Flow
• Adjustable: Yes
• Seat Size: 0.12 Inch
• Material: Viton
• Quantity: Set Of 2
• Includes Hardware: Yes

Technical Documents

• brand_warranties.pdf