Description

Carburetor Jet – 0.040 in ID – Number 40 – Brass – Holley Carburetors – Pair

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 HOLLEY

A leader in fuel systems for over 100 years, Holley fuel management systems have powered top circle track and drag racing teams around the world. Now, Holley offers EFI systems for GM's LS engine, among many other applications. Holley's products also include performance fuel pumps, intake manifolds, and engine accessories products for street performance, race, and marine applications.

Reviews

There are no reviews yet.

Be the first to review “HOLLEY Main Jets (2) 122-40”

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

    MARK WILLIAMS Caliper O-Ring Kit 81170

    SKU: MWE81170
    Product information
    • Weight0.015 lbs
    • Dimensions5 × 2.85 × 0.45 in
    • Material

      Rubber

    • Color

      Black

    • Finish

      Natural

    • Quantity

      Kit

    • O-Ring 1 Intended Piston Diameter

      1.715 in

    Details...
    Original price was: $10.70.Current price is: $9.73.Add to cart
    Original price was: $10.70.Current price is: $9.73.
    Quantity Only 8 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MSD IGNITION Street Fire Spark Plug Wire Set 5541

    SKU: MSD5541
    Product information
    • Weight2.035 lbs
    • Dimensions10.55 × 7.3 × 3.55 in
    • Product Line

      Street Fire

    • Assembled

      Yes

    • Rfi Supression

      Yes

    • Conductor Style

      Spiral Core

    • Distributor Terminal End Type

      HEI

    Details...
    Original price was: $78.00.Current price is: $70.75.Add to cart
    Original price was: $78.00.Current price is: $70.75.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MARCH PERFORMANCE Ford 351C Alt Bracket 30400

    SKU: MPP30400
    Product information
    • Weight2.54 lbs
    • Dimensions7.55 × 7.4 × 5.65 in
    • Alternator Style

      Ford 1G

    • Hardware Included

      Yes

    • Quantity

      Kit

    • Driver / Passenger Side Mount

      Passenger Side

    • Block / Head / Water Pump Mount

      Water Pump

    Details...
    Original price was: $194.50.Current price is: $176.82.Add to cart
    Original price was: $194.50.Current price is: $176.82.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOWARDS RACING COMPONENTS SBM Mech. Roller Lifter Set 91734

    SKU: HRC91734
    Product information
    • Weight5 lbs
    • Dimensions11 × 3.75 × 3.75 in
    • Product Line

      RaceMax

    • Lifter Style

      Mechanical Roller

    • Body Diameter

      0.904 in

    • Pushrod Seat Height

      1.756 in

    • Weight

      270 grams

    Details...
    Original price was: $773.67.Current price is: $703.34.Add to cart
    Original price was: $773.67.Current price is: $703.34.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    EIBACH Pro-Truck Coilover Front E86-82-007-01-20
    Add to wishlist

    EIBACH Pro-Truck Coilover Front E86-82-007-01-20

    SKU: EIBE86-82-007-01-20
    Product information
    • Weight42.93 lbs
    • Dimensions31.5 × 13.75 × 7 in
    • Product Line

      PRO-TRUCK

    • Quantity

      Pair

    • Front / Rear

      Front

    • Bushing Material

      Rubber

    • Bushing Color

      Black

    Details...
    Original price was: $1,095.00.Current price is: $995.00.Add to cart
    Original price was: $1,095.00.Current price is: $995.00.Add to wishlist
  • Add to wishlist
    Sale
    ARP BBF Complete Engine Fastener Kit 6pt. 555-9801
    Add to wishlist

    ARP BBF Complete Engine Fastener Kit 6pt. 555-9801

    SKU: ARP555-9801
    Product information
    • Weight5.26 lbs
    • Dimensions8.85 × 8.5 × 2.25 in
    • Head Style

      Hex

    • Bolts / Studs

      Bolts

    • Washers Included

      Yes

    • Material

      Chromoly

    • Color

      Black

    Details...
    Original price was: $193.85.Current price is: $176.23.Add to cart
    Original price was: $193.85.Current price is: $176.23.
    Quantity Only 5 left in stock!
    -+
    Add to cart
    Add to wishlist

    7