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Best Fuel Needle & Seat Assemblies - Buying Guide

Last Updated: 07/20/2019

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  #1

Holley HOL 6-506 HOL 6-506 Viton Inlet Needle

Model: HOL 6-506   |    Mpn: HOL 6-506   |    Ean: 0090127075036   |    PartNumber: HOL 6-506   |   Asin: B00029JK3M

The Holley inlet needle with a Viton tip features an adjustable .097" seat size.

Features

  • Adjustable to meet your racing needs
  • 90-day limited warranty
  • Adjustable needle and seat design
  • Backed by 90 day warranty
  • See more on Amazon...

Brand: Holley   |   Manufacturer: Holley

Package Dimensions: 1.3 x 3.5 x 5 inches (3.3 x 8.9 x 12.7 cm)

Amazon Price: $15.11 | as of 07/20/2019(3:31am pst)
Availibility: Usually ships in 24 hours
List Price: $17.38

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  #2

Holley 6-522 Viton Inlet Needle

Model: 6-522   |    Mpn: 6-522   |    Ean: 0090127684191   |    PartNumber: 6-522   |   Asin: B00DDQCG14

Holley products have been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR Sprint Cup team and every NHRA Pro-Stock champion for four decades. Holley's products include performance fuel pumps, fuel injection, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies, Hooker Headers, Flowtech Headers, NOS, Weiand, or Earl's, Holley products can give you the edge you need over the competition.

Features

  • Operation Is Simple
  • Viton Inlet Needle
  • Resistant To Dirt
  • Conforms Nicely To Seat
  • Superior Sealing
  • See more on Amazon...

Brand: Holley   |   Manufacturer: Holley

Package Dimensions: 0.6 x 3.5 x 4.3 inches (1.5 x 8.9 x 10.9 cm)

Amazon Price: $33.15 | as of 07/20/2019(3:31am pst)
Availibility: Usually ships in 24 hours
List Price: $33.06

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  #3

Holley 6-504 Viton Inlet Needle

Model: 6-504   |    Mpn: 6504   |    Ean: 0090127075029   |    PartNumber: 6504   |   Asin: B00029JK3C

The Holley inlet needle with a Viton tip features an adjustable .110" seat size.

Features

  • Adjustable to meet your racing needs
  • 90-day limited warranty
  • Adjustable needle and seat design
  • Backed by 90 day warranty
  • See more on Amazon...

Brand: Holley   |   Manufacturer: Holley

Package Dimensions: 1.4 x 3.5 x 5 inches (3.6 x 8.9 x 12.7 cm)

Amazon Price: $13.33 | as of 07/20/2019(3:31am pst)
Availibility:
List Price: $18.70

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  #4

Holley 6-518-2 Viton Inlet Needle

Model: 6-518-2   |    Mpn: 65182   |    Ean: 0090127424100   |    PartNumber: 65182   |   Asin: B00029JK4Q

The Holley inlet needle with a Viton tip features an adjustable 0.120" seat size.

Features

  • Adjustable to meet your racing needs
  • 90-day limited warranty
  • Easy adjustment-no fuel bowl removal needed
  • Sold as a pair
  • Limited Warranty
  • See more on Amazon...

Brand: Holley   |   Manufacturer: Holley

Item Dimensions: 5 x 1.5 x 3.5 inches (12.7 x 3.8 x 8.9 cm)   |   Package Dimensions: 1.3 x 3.6 x 4.9 inches (3.3 x 9.1 x 12.4 cm)

Amazon Price: $24.63 | as of 07/20/2019(3:31am pst)
Availibility: Usually ships in 24 hours
List Price: $31.79

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  #5

Demon 120013 0.130" Needle and Seat

Model: 120013   |    Mpn: 120013   |    Ean: 0792898001725   |    PartNumber: 120013   |   Asin: B00AFSWOAQ

Designed specifically for Demon, Claw and HOLLEY Performance Carburetors, these precision needle and seat assemblies keep the fuel bowl full while offering positive sealing with a Viton tip. Spring loaded assembly is recommended for severe off-road and marine: conditions while the .130 inch is used for increased volume requirements over the .110 inch assembly. Use with gasoline only. Sold per pair.

Features

Brand: Demon Fuel Systems   |   Manufacturer: Demon Carburetion

Package Dimensions: 1 x 2 x 4 inches (2.5 x 5.1 x 10.2 cm)

First Available: 2014-12-05

Amazon Price: $35.50 | as of 07/20/2019(3:31am pst)
Availibility:
List Price:

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  #6

AED 5117 Hi-Flow Alcohol Needle and Seat

Model: 5117   |    Mpn: 5117   |    Ean: 0817744001282   |    PartNumber: 5117   |   Asin: B000CIGLLM

he traditional .110" Viton hi-flow units designed for up to 650 HP on gas. For power levels over 650 HP with single carburetors or with marginal fuel systems we recommend the special .125" viton tipped assemblies which flow approximately 25% more fuel than the .110's and will accept up to 7-8 pounds of fuel pressure. For alcohol applications the .150" stainless steel needle and seats are the ultimate in fuel capacity and seating ability where optimum fuel flow is required. These special hi-flow needle and seats will not accept the standard 7-8 psi at idle like conventional needle and seats. Reduced fuel pressure at idle is required to properly seat at idle.

Features

Brand: AED   |   Manufacturer: Advanced Engine Design

Item Dimensions: 0.4 x 4.35 x 3.95 inches (1.0 x 11.0 x 10.0 cm)   |   Package Dimensions: 0.5 x 4 x 4.4 inches (1.3 x 10.2 x 11.2 cm)

Amazon Price: $9.48 | as of 07/20/2019(3:31am pst)
Availibility: Usually ships in 24 hours
List Price: $16.69

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  #7

Holley 1008-777 Bottom Needle and Seat Gasket - Pack of 10

Model: HOL 1008-777   |    Mpn: HOL 1008-777   |    Ean: 0090127008485   |    PartNumber: HOL 1008-777   |   Asin: B00062ZE1W

This needle and seat gasket is designed for the bottom portion of carburetors that have an adjustable needle and seat. It is sold in a pack of 10.

Features

  • Meant for the bottom side of carburetors
  • Fits carburetors with adjustable needle and seat
  • Pack of 10
  • See more on Amazon...

Brand: Holley   |   Manufacturer: Holley

Item Dimensions: 0.75 x 3.5 x 5 inches (1.9 x 8.9 x 12.7 cm)   |   Package Dimensions: 0.6 x 2 x 2.5 inches (1.5 x 5.1 x 6.4 cm)

Amazon Price: $12.62 | as of 07/20/2019(3:31am pst)
Availibility:
List Price: $11.90

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  #8

Holley 6-513 Viton Inlet Needle

Model: 6-513   |    Mpn: 6513   |    Ean: 0090127075104   |    PartNumber: 6513   |   Asin: B00029JK3W

The Holley inlet needle with a Viton tip features an adjustable 0.097" seat size, off road.

Features

  • Hold bowl inverted when installing or removing to prevent damage
  • Spring loaded to prevent flooding during operation on rough terrain
  • 90-day limited warranty
  • Backed by limited warranty
  • See more on Amazon...

Brand: Holley   |   Manufacturer: Holley

Item Dimensions: 1.5 x 3.5 x 5 inches (3.8 x 8.9 x 12.7 cm)   |   Package Dimensions: 1.3 x 3.5 x 5 inches (3.3 x 8.9 x 12.7 cm)

Amazon Price: $20.53 | as of 07/20/2019(3:31am pst)
Availibility: Usually ships in 24 hours
List Price: $31.79

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  #9

Holley 6-519-2 Steel Inlet Needle

Model: HOL 6-519-2   |    Mpn: HOL 6-519-2   |    Ean: 0090127424117   |    PartNumber: HOL 6-519-2   |   Asin: B00029JK50

The Holley inlet needle is necessary when using exotic racing fuels or alcohol or when using benzene or acetone additives.

Features

  • Steel inlet needle for durability
  • Adjustable to meet your racing needs
  • 90-day limited warranty
  • Sold as a pair
  • Limited Warranty
  • See more on Amazon...

Brand: Holley   |   Manufacturer: Holley

Item Dimensions: 5 x 1.5 x 3.5 inches (12.7 x 3.8 x 8.9 cm)   |   Package Dimensions: 1 x 2.8 x 5 inches (2.5 x 7.1 x 12.7 cm)

Amazon Price: $37.62 | as of 07/20/2019(3:31am pst)
Availibility: Usually ships in 24 hours
List Price: $43.27

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  #10

Holley 34-7BK Carburetor Needle/Seat Hardware Kit

Model: 34-7BK   |    Mpn: 34-7BK   |    Ean: 0090127686928   |    PartNumber: 34-7BK   |   Asin: B00K7VTBXO

Adjustable Needle and Seat hardware kit. 1 each adjusting nut with gasket. 1 each locking screw with gasket. 1 each O-ring.

Features

Brand: Holley   |   Manufacturer: Holley

Item Dimensions: 1.5 x 3.5 x 5 inches (3.8 x 8.9 x 12.7 cm)   |   Package Dimensions: 1.26 x 3.78 x 5.28 inches (3.2 x 9.6 x 13.4 cm)

Amazon Price: $6.94 | as of 07/20/2019(3:31am pst)
Availibility: Usually ships in 1-2 business days
List Price: $6.55

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  #11

Holley 6-515-2 Steel Inlet Needle

Model: 6-515-2   |    Mpn: 65152   |    Ean: 0090127424094   |    PartNumber: 65152   |   Asin: B00029JK4G

The Holley inlet needle is necessary when using exotic racing fuels or alcohol or when using benzene or acetone additives.

Features

  • Steel inlet needle for durability
  • Adjustable to meet your racing needs
  • 90-day limited warranty
  • Sold as a pair
  • Limited Warranty
  • See more on Amazon...

Brand: Holley   |   Manufacturer: Holley

Item Dimensions: 5 x 1.5 x 3.5 inches (12.7 x 3.8 x 8.9 cm)   |   Package Dimensions: 1.3 x 3.5 x 5 inches (3.3 x 8.9 x 12.7 cm)

Amazon Price: $28.74 | as of 07/20/2019(3:31am pst)
Availibility: Usually ships in 24 hours
List Price: $33.06

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  #12

AED 5123 Nylon Reusable Needle and Seat Gasket - 6 pairs

Model: 5123   |    Mpn: 5123   |    Ean: 0817744001305   |    PartNumber: 5123   |   Asin: B000CIC4ZY

AED Performance was founded with one basic premise in mind; manufacturing of high quality components at reasonable prices. We will honestly endeavor to offer the best product, service, and technical support possible. Our background includes over 3 decades of research, design and development of high performance components. We have one of the most high tech research facilities in the country including our computer controlled WET FLOW BENCH which is capable of flowing any throttle bore seperatly or combination of throttle bores to provide CFM, air-fuel ratio, test pressure, pounds of fuel and air, and corrected data as related to RPM range. We have in-house CNC machining centers, flowbenches, total induction benches, engine dyno, and chassis dyno. We manufacture the finest line of Performance and Competition CNC MACHINED carburetors on the market today. We also carry an extensive fuel system parts line up that is second to none along with support and service capabilities to match.

Features

Brand: AED   |   Manufacturer: Advanced Engine Design

Item Dimensions: 0.4 x 4.35 x 3.9 inches (1.0 x 11.0 x 9.9 cm)   |   Package Dimensions: 0.5 x 4 x 4 inches (1.3 x 10.2 x 10.2 cm)

Amazon Price: $4.64 | as of 07/20/2019(3:31am pst)
Availibility: Usually ships in 24 hours
List Price: $8.94

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  #13

Holley 6-510 Viton Inlet Needle

Model: HOL 6-510   |    Mpn: HOL 6-510   |    Ean: 0090127075074   |    PartNumber: HOL 6-510   |   Asin: B00062YSMS

The Holley inlet needle with a Viton tip features an non-adjustable .110" seat size.

Features

  • Meets or exceeds manufacturer's specifications
  • 90-day limited warranty
  • Non-adjustable
  • Easy to install
  • See more on Amazon...

Brand: Holley   |   Manufacturer: Holley

Item Dimensions: 1.5 x 3.5 x 5 inches (3.8 x 8.9 x 12.7 cm)   |   Package Dimensions: 0.3 x 2.7 x 4.8 inches (0.8 x 6.9 x 12.2 cm)

Amazon Price: $14.44 | as of 07/20/2019(3:31am pst)
Availibility:
List Price: $16.04

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  #14

Holley 6-511 Viton Inlet Needle

Model: 6-511   |    Mpn: 6511   |    Ean: 0090127075081   |    PartNumber: 6511   |   Asin: B00062YSN2

The Holley inlet needle with a Viton tip features an non-adjustable 0.0785" seat size.

Features

  • Meets or exceeds manufacturer's specifications
  • 90-day limited warranty
  • Non-adjustable
  • Easy to install
  • See more on Amazon...

Brand: Holley   |   Manufacturer: Holley

Item Dimensions: 1.5 x 3.5 x 5 inches (3.8 x 8.9 x 12.7 cm)   |   Package Dimensions: 1.3 x 3.5 x 4.9 inches (3.3 x 8.9 x 12.4 cm)

Amazon Price: $15.11 | as of 07/20/2019(3:31am pst)
Availibility: Usually ships in 24 hours
List Price: $17.38

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  #15

AED 5116A Hi-Flow Needle and Seat

Model: 5116A   |    Mpn: 5116A   |    Ean: 0817744008021   |    PartNumber: 5116A   |   Asin: B009X555PI

Advanced Engine Device 5116A .130 BOTTOM FEED HI-FLOW.

Features

Brand: AED   |   Manufacturer: Advanced Engine Design

Item Dimensions: 12 x 48 x 60 inches (30.5 x 121.9 x 152.4 cm)   |   Package Dimensions: 0.31 x 3.86 x 4.41 inches (0.8 x 9.8 x 11.2 cm)

First Available: 2012-10-24

Amazon Price: $15.34 | as of 07/20/2019(3:31am pst)
Availibility: Usually ships in 24 hours
List Price: $17.31

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  #16

Quick Fuel Technology 18-2 0.11 Viton Needle & Seat

Model: 18-2   |    Mpn: 182   |    Ean: 0849804002458   |    PartNumber: 182   |   Asin: B003M948MM

QFT(TM) needle and seat assemblies achieve the highest flow rates possible. We offer needle and seats in variety of seat sizes and needle types to satisfy all driving styles and fuel requirements.

Features

  • Quick Fuel Technology 18-2QFT Carburetor Needle And Seat Kit; .110 Includes Gaskets;
  • Authorized Dealer - 100% Satisfaction Guaranteed
  • Quick Fuel Technology
  • 18-2QFT
  • Warranty: Yes
  • See more on Amazon...

Brand: Quick Fuel Technology   |   Manufacturer: Quick Fuel Technology

Package Dimensions: 0.4 x 3.4 x 3.4 inches (1.0 x 8.6 x 8.6 cm)

Amazon Price: $9.96 | as of 07/20/2019(3:31am pst)
Availibility: Usually ships in 1-2 business days
List Price: $12.42

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  #17

Holley 1018-135 Needle & Seat Assembly - Package of 10

Model: HOL 1018-135   |    Mpn: HOL 1018-135   |    Ean: 0090127335871   |    PartNumber: HOL 1018-135   |   Asin: B00062ZE9E

The Holley needle & seat assembly features an adjustable .110" seat size.

Features

Brand: Holley   |   Manufacturer: Holley

Package Dimensions: 1.9 x 3.6 x 5.5 inches (4.8 x 9.1 x 14.0 cm)

First Available: 2006-11-29

Amazon Price: $125.95 | as of 07/20/2019(3:31am pst)
Availibility: Usually ships in 3-4 business days
List Price: $117.95

Warranty: 90 Days

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  #18

Quick Fuel Technology 18-1 Needle and Seat Kit (.100)

Model: 18-1QFT   |    Mpn: 18-1QFT   |    Ean: 0849804002403   |    PartNumber: 18-1QFT   |   Asin: B00CF7DTUE

QFT(TM) needle and seat assemblies achieve the highest flow rates possible. We offer needle and seats in variety of seat sizes and needle types to satisfy all driving styles and fuel requirements.

Features

Brand: Quick Fuel Technology   |   Manufacturer: Quick Fuel Technology

Package Dimensions: 0.5 x 3.5 x 3.5 inches (1.3 x 8.9 x 8.9 cm)

Amazon Price: $9.87 | as of 07/20/2019(3:31am pst)
Availibility: Usually ships in 1-2 business days
List Price: $10.07

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  #19

Demon 120090 Needle and Seat Lock Nut and Screw

Model: 120090   |    Mpn: 120090   |    Ean: 0792898053694   |    PartNumber: 120090   |   Asin: B00AFSWR3K

Designed specifically for Demon, Claw and HOLLEY Performance Carburetors, these precision needle and seat assemblies keep the fuel bowl full while offering positive sealing with a Viton tip. Spring loaded assembly is recommended for severe off-road and marine: conditions while the .130 inch is used for increased volume requirements over the .110 inch assembly. Use with gasoline only. Sold per pair.

Features

Brand: Demon Fuel Systems   |   Manufacturer: Demon

Package Dimensions: 0.4 x 2 x 4 inches (1.0 x 5.1 x 10.2 cm)

First Available: 2014-12-05

Amazon Price: $5.99 | as of 07/20/2019(3:31am pst)
Availibility: Usually ships in 1-2 business days
List Price: $6.48

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  #20

Quick Fuel Technology 18-4 0.13 Viton Needle & Seat

Model: 18-4   |    Mpn: 184   |    Ean: 0849804002496   |    PartNumber: 184   |   Asin: B003M948UO

QFT(TM) needle and seat assemblies achieve the highest flow rates possible. We offer needle and seats in variety of seat sizes and needle types to satisfy all driving styles and fuel requirements.

Features

  • Quick Fuel Technology 18-4QFT Carburetor Needle And Seat Kit; .130 Includes Gaskets;
  • Authorized Dealer - 100% Satisfaction Guaranteed
  • Quick Fuel Technology
  • 18-4QFT
  • Warranty: Yes
  • See more on Amazon...

Brand: Quick Fuel Technology   |   Manufacturer: Quick Fuel Technology

Package Dimensions: 2.2 x 4.12 x 6.57 inches (5.6 x 10.5 x 16.7 cm)

Amazon Price: $14.95 | as of 07/20/2019(3:31am pst)
Availibility: Usually ships in 1-2 business days
List Price: $14.95

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Looking For Something Else? Search

Most Popular
New Releases

  1. Holley 6-504 Viton Inlet Needle
  2. AED 5117 Hi-Flow Alcohol Needle and Seat
  3. Holley 6-513 Viton Inlet Needle
  4. Holley 1008-777 Bottom Needle and Seat Gasket - Pack of 10
  5. Holley 6-522 Viton Inlet Needle
  6. Holley 6-518-2 Viton Inlet Needle
  7. AED 5123 Nylon Reusable Needle and Seat Gasket - 6 pairs

Most Wished For

  1. Holley 6-515-2 Steel Inlet Needle
  2. Holley 6-504 Viton Inlet Needle
  3. Holley 6-522 Viton Inlet Needle
  4. AED 5123 Nylon Reusable Needle and Seat Gasket - 6 pairs
  5. Holley 1008-777 Bottom Needle and Seat Gasket - Pack of 10
  6. Holley 6-518-2 Viton Inlet Needle
  7. Holley 34-7BK Carburetor Needle/Seat Hardware Kit
  8. Holley 6-513 Viton Inlet Needle
  9. Holley 6-510 Viton Inlet Needle
  10. Holley HOL 6-506 HOL 6-506 Viton Inlet Needle

Most Gifted

  1. Holley 6-504 Viton Inlet Needle
  2. AED 5117 Hi-Flow Alcohol Needle and Seat
  3. Holley 6-513 Viton Inlet Needle
  4. Holley 1008-777 Bottom Needle and Seat Gasket - Pack of 10
  5. Holley 6-522 Viton Inlet Needle
  6. Holley 6-518-2 Viton Inlet Needle
  7. AED 5123 Nylon Reusable Needle and Seat Gasket - 6 pairs

Top Selling

  1. Holley HOL 6-506 HOL 6-506 Viton Inlet Needle
  2. Holley 6-522 Viton Inlet Needle
  3. Holley 6-504 Viton Inlet Needle
  4. Holley 6-518-2 Viton Inlet Needle
  5. Demon 120013 0.130" Needle and Seat
  6. AED 5117 Hi-Flow Alcohol Needle and Seat
  7. Holley 1008-777 Bottom Needle and Seat Gasket - Pack of 10
  8. Holley 6-513 Viton Inlet Needle
  9. Holley 6-519-2 Steel Inlet Needle
  10. Holley 34-7BK Carburetor Needle/Seat Hardware Kit



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