Skip to content
High flow adjustable needle and seat for Holley carburetors
The Holley Carburetor Needle and Seat Assembly is designed for use with most Holley performance carburetors, providing a high flow solution for fuel management. This assembly features a 0.110 inch seat size, allowing for adjustable fuel flow based on the specific needs of the carburetor application. The needle movement is controlled by a metal tang on the float arm, ensuring precise operation as the float moves up and down to open or close the seat.
Constructed with a Viton tipped needle, this assembly offers superior resistance to dirt and enhances sealing capabilities by conforming to the shape of the seat. This design not only improves performance but also ensures durability under racing conditions. The Holley Carburetor Needle and Seat Assembly comes with all necessary hardware for easy installation, making it a reliable choice for those looking to optimize their carburetor's fuel delivery system.
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
- Genuine Holley Quality Parts
- Designed For Performance And Durability
Specifications
- Manufacturer: Holley Performance
- Manufacturer Part Number: 6-504
- Compatibility: Most Holley Performance Carburetors
- Recommended Use: Racing
- Flow Type: High Flow
- Adjustable: Yes
- Seat Size: 0.110 Inch
- Material: Viton
- Quantity: Single
- Includes Hardware: Yes
Technical Documents
Shipping & Returns
- This product ships within the continental USA only.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition. For complete details, please see our return policy.
