Description

Metering Block – Secondary – Conversion to Main Jets – Gaskets / Hardware Included – Aluminum – Chromate – Holley 4160 Carburetors – Each

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.

International Shipping

Below are estimated rates and delivery times for popular destinations; full carrier options are available at checkout.

Our dedicated team has years of experience managing international logistics and customs documentation to ensure smooth delivery from our US warehouse to your door. Please review our shipping policy and local import regulations before ordering.

Loading international estimates...

Reviews

There are no reviews yet.

Be the first to review “ADVANCED ENGINE DESIGN Metering Block Conv. Kit 6300”

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

    PERTRONIX IGNITION Replacement HEI Race Module D2070

    SKU: PRTD2070
    Product information
    • Weight0.16 lbs
    • Dimensions4.3 × 3.05 × 3.05 in
    • Product Line

      Flame-Thrower

    • Quantity

      Each

    • Pin Quantity

      4.0

    • Silicone / Dielectric Grease Included

      Yes

    • Material

      Ceramic

    Details...
    Original price was: $110.00.Current price is: $99.36.Add to cart
    Original price was: $110.00.Current price is: $99.36.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    QA1 Tool Coilover Shock Adjuster Black T115W

    SKU: QA1T115W
    Product information
    • Weight0.555 lbs
    • Dimensions6.1 × 3.75 × 0.75 in
    • Material

      Steel

    • Color

      Zinc

    • Finish

      Oxide

    • Quantity

      Pair

    • Style

      Spanner Wrench

    Details...
    Original price was: $30.75.Current price is: $27.95.Add to cart
    Original price was: $30.75.Current price is: $27.95.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    QUARTER MASTER Pinion Return Spring STD 11402901

    SKU: QTR11402901
    Product information
    Details...
    Original price was: $4.00.Current price is: $3.10.Add to cart
    Original price was: $4.00.Current price is: $3.10.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    REESE Pull Pin & Cotter Pin Set 63240

    SKU: REE63240
    Product information
    • Weight0.6 lbs
    • Dimensions7.35 × 3.05 × 1.4 in
    • Product Line

      Draw-Tite

    • Material

      Steel

    • Color

      Zinc

    • Finish

      Plated

    • Quantity

      Each

    Details...
    Original price was: $7.25.Current price is: $6.59.Read more
    Original price was: $7.25.Current price is: $6.59.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    LONGACRE Replacement Light Clear 52-41801

    SKU: LON52-41801
    Product information
    • Weight0.065 lbs
    • Dimensions5.5 × 4.15 × 1.05 in
    • Style

      Warning Light

    • Material

      Plastic

    • Color

      Black

    • Finish

      Natural

    • Quantity

      Each

    Details...
    Original price was: $14.37.Current price is: $13.06.Add to cart
    Original price was: $14.37.Current price is: $13.06.
    Quantity Only 5 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SKYJACKER HYDRO SHOCK W/RED BOOT H7041

    SKU: SKYH7041
    Product information
    • Weight5.915 lbs
    • Dimensions24.4 × 3.3 × 3.15 in
    • Product Line

      Hydro H7000 Series

    • Internal Design

      Twintube

    • Gas/Hydraulic

      Hydraulic

    • Compressed Length

      15.57 in

    • Extended Length

      26.07 in

    Details...
    Original price was: $58.00.Current price is: $51.87.Add to cart
    Original price was: $58.00.Current price is: $51.87.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    UMI PERFORMANCE Control Arm 6433-2-B

    SKU: UMI6433-2-B
    Product information
    • Weight19.9 lbs
    • Dimensions14 × 14 × 6 in
    • Hardware Included

      Yes

    • Material

      Steel

    • Color

      Black

    • Finish

      Powder Coat

    • Quantity

      Pair

    Details...
    Original price was: $719.99.Current price is: $599.99.Add to cart
    Original price was: $719.99.Current price is: $599.99.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    VENTSHADE Window Ventvisor 94072

    SKU: VEN94072
    Product information
    • Weight2.9 lbs
    • Dimensions46.88 × 11.88 × 2 in
    • Product Line

      Original Ventvisor

    • Application Specific

      Yes

    • In Channel / Out Of Channel

      Out of Channel

    • Front Included

      Yes

    • Material

      Plastic

    Details...
    Original price was: $77.00.Current price is: $69.99.Add to cart
    Original price was: $77.00.Current price is: $69.99.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HUSHMAT Hush Pro Roller 90100

    SKU: HMT90100
    Product information
    Details...
    Original price was: $28.00.Current price is: $24.99.Add to cart
    Original price was: $28.00.Current price is: $24.99.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    COMPETITION ENGINEERING Spring Eye Bushings C2022
    Add to wishlist

    COMPETITION ENGINEERING Spring Eye Bushings C2022

    SKU: COE2022
    Product information
    • Weight2.715 lbs
    • Dimensions5.65 × 4.35 × 4.35 in
    • Front/Rear Spring Position

      Rear

    • Shackle Bushing Included

      Yes

    • Shackle Bushing Diameter

      2 in

    • Shackle Bushing Length

      3.625 in

    • Shackle Bolt Hole Diameter

      1/2 in

    Details...
    Original price was: $103.49.Current price is: $89.99.Add to cart
    Original price was: $103.49.Current price is: $89.99.Add to wishlist

    21