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Holley

HOLLEY Needle & Seat

MPN: 6-504 Catalog #: 001510082 Category: Carburetor Needle And Seats Check Vehicle Fitment

Product Details

Needle and Seat - Adjustable - 0.110 Orifice - Viton - Holley Carburetors - Each

Inlet Needle Viton; Adjustable; 0.110 in. Seat Size;

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.

Fitment: Inlet Needle Viton® Tip Adjustable 0.110in. Seat Size. Viton® is a registered trademark of Dupont Performance Elastomers

DETAILS:

Part Number 6-504 SPECS:

DETAILS:

  • 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
  • Carburetor Needle and Seat
  • Inlet Needle Viton
  • Conforms Nicely To Seat
  • For Most Older OE Style Carbs
  • Operation Is Simple
  • Resistant To Dirt
  • Superior Sealing
  • Viton Inlet Needle
  • NEEDLE/SEAT.110
  • CrbNeedle/Seat

Part Number 6-504 SPECS:

  • WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • WARNING CA Proposition 65: Yes

Vehicle Fitment

Universal or product-specific fitment. Please review the product details and contact us if you need help confirming fitment before ordering.

Product Specs

Brand
Holley
Part Number
6-504
Catalog Number
001510082
Product Line
Carburetor Needle and Seats
Category
Fuel Delivery
Type
Carburetor Needle And Seats
UPC / Barcode
090127075029
Length
5.00 in
Width
3.50 in
Height
0.40 in
Weight
0.03 lb
Freight / LTL
No
Ship Alone
No
Air Restricted
No

Shipping & Availability

Current status 54 Available - Ready to ship
Estimated timing Usually ships within 24hrs

This item is showing available inventory. Most in-stock performance parts ship quickly, but timing can vary by warehouse, vendor cut-off time, holidays, and carrier pickup.

Inventory shown: 54 available as of 6/3/2026.

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