Holley 6-504 | Carburetor Needle and Seat

Inlet Needle Viton adjustable tips; 0.110-inch, 0.097-inch, 0.0785-inch, or 0.120-inch seat size. Viton is a registered trademark of Dupont Performance Elastomers.

• Inlet Needle Viton
• Inlet Needle Viton; Adjustable; 0.110 in. Seat Size;
• Operation Is Simple
• Inlet Needle Viton® Tip Adjustable 0.110in. Seat Size. Viton® is a registered trademark of Dupont Performance Elastomers
• For Most Older OE Style Carbs
• Resistant To Dirt
• Superior Sealing
• Conforms Nicely To Seat
• Needle and Seats
• Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations
• Viton Inlet Needle