Gearhead Gifts - Find the Perfect Gift for the Gearhead on Your List!

Gearhead Gifts - Find the Perfect Gift
for the Gearhead on Your List!

It's the Season for Savings - Shop Holiday Deals Now!

Filters

  • In Stock
  • Carburetor Manufacturer (application)
  • Carburetor Model

    Show All

  • Fuel Bowl Float Style
  • Seat Size
  • Needle Material
  • Adjustable
  • Quantity
  • Price Range
  • Filter Options

Selected Filters

Availability

  • Filters

  • Carburetor Manufacturer (application)
  • Carburetor Model

    Show All

  • Fuel Bowl Float Style
  • Seat Size
  • Needle Material
  • Adjustable
  • Quantity
  • Price Range
  • Filter Options
Holley

Holley Needle and Seat Assemblies

4.74 out of 5 stars 68 Customer Reviews

Holley needle and seat assemblies can be used as replacements or performance upgrades. Available in different sizes, they're also available in different materials to suit a wide range of applications. Viton® needles are for all gasoline applications, steel needles are used with alcohol or exotic race fuels, and titanium needles are used for their responsiveness during changes in flow rates, as well as for their excellent sealing capabilities. Any way you look at it, you're sure to find the right one for your application.

Showing In Stock Items. Show All 8 Items.

Results 1 - 8 of 8

Holley Needle and Seat Assemblies 6-522

Holley Needle and Seat Assemblies 6-522

Holley Needle and Seat Assemblies 6-522

Carburetor Needle and Seats, Viton® Inlet Needle, Adjustable, Center Hung Float Style, 0.130 in. Seat, Gasket Included, Pair

Part Number: HLY-6-522

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Holley Needle and Seat Assemblies 6-504

Holley Needle and Seat Assemblies 6-504

Holley Needle and Seat Assemblies 6-504

Carburetor Needle and Seats, Holley, Viton® Inlet Needle, Adjustable, Steel, 0.110 in. Seat, Center Hung Float Style, Gaskets Included, Each

Part Number: HLY-6-504

4.92 out of 5 stars ( 24 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Holley Needle and Seat Assemblies 6-518-2

Holley Needle and Seat Assemblies 6-518-2

Holley Needle and Seat Assemblies 6-518-2

Carburetor Needle and Seats, Viton® Inlet Needle, Adjustable, Center Hung Float Style, 0.120 in. Seat, Gasket Included, Pair

Part Number: HLY-6-518-2

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Holley Needle and Seat Assemblies 6-519-2

Holley Needle and Seat Assemblies 6-519-2

Holley Needle and Seat Assemblies 6-519-2

Carburetor Needle and Seats, Holley, Inlet Needle, Steel, Adjustable, 0.150 in. Seat, Center Hung Float, Gaskets, for 750 cfm or Larger Carb, Pair

Part Number: HLY-6-519-2

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Holley Needle and Seat Assemblies 6-506

Holley Needle and Seat Assemblies 6-506

Holley Needle and Seat Assemblies 6-506

Carburetor Needle and Seats, Holley, Viton® Inlet Needle, Adjustable, Steel, 0.097 in. Seat, Side Hung Float Style, Gaskets Included, Each

Part Number: HLY-6-506

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Holley Needle and Seat Assemblies 6-521

Holley Needle and Seat Assemblies 6-521

Holley Needle and Seat Assemblies 6-521

Carburetor Needle and Seats, Holley, Inlet Needle, Titanium, Adjustable, 0.150 in. Seat, Center Hung Float, Gaskets, for 750 cfm or Larger Carb, Each

Part Number: HLY-6-521

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Holley Needle and Seat Assemblies 6-501-2

Holley Needle and Seat Assemblies 6-501-2

Holley Needle and Seat Assemblies 6-501-2

Carburetor Needle and Seats, Holley, Inlet Needle, Adjustable, Steel, 0.097 in. Seat, Center Hung Float, with Gaskets, for Small 4-barrel Carb, Pair

Part Number: HLY-6-501-2

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Holley Needle and Seat Assemblies 6-510

Holley Needle and Seat Assemblies 6-510

Holley Needle and Seat Assemblies 6-510

Carburetor Needle and Seats, Viton® Inlet Needle, Non-Adjustable, Steel, 0.110 in. Seat, Side Hung Float Style, Gasket Included, Each

Part Number: HLY-6-510

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

  • 1
  • Page 1 of 1

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify