Description

Needle and Seat Hardware – Gaskets / Nuts / Screws – Externally Adjustable Float – Holley Carburetors – Kit

Why Choose Us?



Frequently Asked Questions​

As an Authorized Automotive Retailer in the United States, we take pride in guaranteeing 100% authentic products from all brands available on our website. With partnerships spanning 1,000+ brands and a network of 20+ distributor warehouses nationwide, we maintain millions of auto parts in inventory across the USA, ensuring quick shipping and reliable service to our customers. When you shop with us, you're investing in quality and trust.
We believe we have the fastest backorder system in the U.S. auto parts industry, thanks to our strong partnerships with brands and vendors. Nearly all backordered auto parts are shipped directly by the vendors without any additional delays, or they are placed as special orders on the same day. In most cases, backordered parts are delivered within 5-10 days.
We offer unbeatable prices and the best shipping rates on auto parts, with exclusive protection and insurance included to safeguard your order from damage or loss. Enjoy convenient door-to-door delivery, real-time tracking, and our 100% satisfaction guarantee for a smooth, worry-free experience.
Our standard shipping typically takes 1-3 business days. We will provide estimated shipping time for each product. While we aim to deliver as quickly as possible, this timeframe ensures all orders are processed, prepared, and dispatched with care. If the products are not ready for shipping in 72 hours, we will refund you 100%
Absolutely. Once your order is dispatched, you’ll receive an email with tracking details, so you can follow your shipment every step of the way. Every step of shipping process will be sent through email notifications or using tracking page.
Every product page includes a stock level indicator to show what’s available. We always update the inventory 24/24. We’ll be happy to check availability and provide updates on new stock arrivals if you need a help.
We’re sorry to hear that your order wasn’t delivered in perfect condition. Please email us with your order number, a description of the issue, and photographs of the damaged item. Once we receive this information, we’ll arrange for a replacement or refund and handle the return process.
You can return items within 30 days of receipt. Ensure the product is new in its original packaging and securely wrapped for safe transit. Once we receive the item in sellable condition, we’ll issue a full refund for the product value. Contact us for the return address and further instructions.

About ADVANCED ENGINE DESIGN

AED Performance, located in North Chesterfield, VA, researches, designs and manufactures a complete line of performance and competition carburetors. They offer a full range of products for use with the Pro Street, Drag Racer, Circle Track, Pulling, Marine and Off Road markets, including gaskets, gauges, brackets, carburetors, fuel lines and logs, metering blocks, carburetor pumps and jets, and more.

Reviews

There are no reviews yet.

Be the first to review “ADVANCED ENGINE DESIGN Needle & Seat Hardware Kit 5120”

Your email address will not be published. Required fields are marked *

Recently viewed products

  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PROFORM LED Timing Light and Flash Light Self Powered 67419

    SKU: PFM67419
    Product information
    • Weight0.97 lbs
    • Dimensions6.8 × 3.4 × 3.3 in
    • Quantity

      Each

    • Style

      Flashlight

    • Housing Material

      Aluminum

    • Housing Color

      Black

    • Housing Finish

      Anodized

    Details...
    Original price was: $76.08.Current price is: $69.16.Add to cart
    Original price was: $76.08.Current price is: $69.16.
    Quantity Only 5 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    NITROUS OXIDE SYSTEMS 4an Nut Adapter 16220NOS

    SKU: NOS16220
    Product information
    • Weight0.2 lbs
    • Dimensions4.05 × 3.2 × 1.35 in
    • Quantity

      Each

    • Material

      Steel

    • Color

      Chrome

    • Finish

      Plated

    • Style

      Straight

    Details...
    Original price was: $29.00.Current price is: $25.70.Add to cart
    Original price was: $29.00.Current price is: $25.70.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MPD RACING MPD Embroidered Patch 1×4 MPD025

    SKU: MPD025
    Product information
    Details...
    Original price was: $6.89.Current price is: $5.99.Add to cart
    Original price was: $6.89.Current price is: $5.99.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    ISKY CAMS SBC Solid Camshaft 201536

    SKU: ISK201536
    Product information
    • Weight8.5 lbs
    • Dimensions24.25 × 2.5 × 2.5 in
    • Material

      Cast Iron

    • Color

      Natural

    • Finish

      Natural

    • Quantity

      Each

    • Product Line

      OVAL TRACK

    Details...
    Original price was: $345.16.Current price is: $313.78.Add to cart
    Original price was: $345.16.Current price is: $313.78.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    TRUE PERFORMANCE & FABRICATION Toe Plates Mini-Cup 4×4 Pair DTR7014

    SKU: TPFDTR7014
    Product information
    • Weight7.63 lbs
    • Dimensions18 × 12 × 3 in
    • Material

      Steel

    • Color

      Black

    • Finish

      Powder Coat

    • Quantity

      Pair

    • Length

      15.25 in

    Details...
    Original price was: $111.00.Current price is: $100.00.Add to cart
    Original price was: $111.00.Current price is: $100.00.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HYPERCO 2.25 ID Helper Spring HELPERSPRG-2.25ID

    SKU: HYPHELPERSPRG-2.25
    Product information
    • Weight0.52 lbs
    • Dimensions7.25 × 4.4 × 4.3 in
    • Spring Type

      Helper

    • Length

      4 in

    • Linear Rate

      25 lb/in

    • Material

      Steel

    • Color

      Blue

    Details...
    Original price was: $47.15.Current price is: $41.00.Add to cart
    Original price was: $47.15.Current price is: $41.00.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WEATHERTECH TechLiner Bed Liner 36920

    SKU: WEA36920
    Product information
    • Weight14.33 lbs
    • Dimensions86 × 7 × 7 in
    • Product Line

      TechLiner

    • Material

      Plastic

    • Color

      Black

    • Finish

      Natural

    • Quantity

      Each

    Details...
    Original price was: $227.94.Current price is: $189.95.Add to cart
    Original price was: $227.94.Current price is: $189.95.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Placeholder
    Add to wishlist

    HOOKER Max-Flow Sidepipe Mufflers 21046HKR

    SKU: HKR21046
    Product information
    • Weight18 lbs
    • Dimensions35.75 × 8.75 × 5.5 in
    • Style

      Perforated Core

    • Material

      Steel

    • Color

      Black

    • Quantity

      Pair

    • Finish

      Paint

    Details...
    Original price was: $357.00.Current price is: $323.95.Add to cart
    Original price was: $357.00.Current price is: $323.95.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WINTERS Quick Change Gears 8541

    SKU: WIN8541
    Product information
    • Weight6.8 lbs
    • Dimensions8.9 × 4.9 × 1.9 in
    • Spline

      10.0

    • Set Number

      41

    • Gear 1 Tooth Count

      17.0

    • Gear 2 Tooth Count

      28.0

    • 4:12 Ring And Pinion Low Ratio

      2.5

    Details...
    Original price was: $128.16.Current price is: $116.51.Add to cart
    Original price was: $128.16.Current price is: $116.51.
    Quantity Only 7 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    DETROIT SPEED ENGINEERING Leaf Spring Conversion Kit - Mono To Multi-Leaf 041101DS
    Add to wishlist

    DETROIT SPEED ENGINEERING Leaf Spring Conversion Kit – Mono To Multi-Leaf 041101DS

    SKU: DSE041101DS
    Product information
    • Weight8.1 lbs
    • Dimensions10.2 × 8.4 × 6.6 in
    • Quantity

      Kit

    • Leaf Spring Conversion Kit

      Yes

    • Locating Pad Included

      Yes

    • U-Bolts Included

      Yes

    • U-Bolt Length

      7.25 in

    Details...
    Original price was: $165.00.Current price is: $149.95.Add to cart
    Original price was: $165.00.Current price is: $149.95.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist

    67