Description

Nitrous Micro Switch – Bracket Included – Holley 4150 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 NITROUS OXIDE SYSTEMS

Nitrous Oxide Systems pioneered out-of-the-box, bolt-on nitrous systems. Offering carbureted, EFI, and direct port kits, NOS has kits to fit virtually any application.

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 “NITROUS OXIDE SYSTEMS 4150 Billet Micro Switch Bracket Kit 16512NOS”

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 Ignitor II Conversion Kit 91162A

    SKU: PRT91162A
    Product information
    • Weight0.35 lbs
    • Dimensions6 × 4.8 × 1.6 in
    • Product Line

      Ignitor II

    • Quantity

      Kit

    • Trigger Method

      Magnetic

    • Voltage

      12V

    • Positive / Negative Ground

      Negative

    Details...
    Original price was: $220.00.Current price is: $199.29.Add to cart
    Original price was: $220.00.Current price is: $199.29.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PERTRONIX IGNITION Ignitor II Conversion Kit 91266

    SKU: PRT91266
    Product information
    • Weight0.21 lbs
    • Dimensions6.15 × 4.85 × 1.75 in
    • Product Line

      Ignitor II

    • Quantity

      Kit

    • Trigger Method

      Magnetic

    • Voltage

      12V

    • Positive / Negative Ground

      Negative

    Details...
    Original price was: $220.00.Current price is: $199.29.Add to cart
    Original price was: $220.00.Current price is: $199.29.
    Quantity Only 7 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    OPTITORQUE TECHNOLOGIES LLC Mazda 2.3L Head Stud Kit 11027

    SKU: OTT11027
    Product information
    • Weight2.45 lbs
    • Dimensions9.5 × 4.5 × 2.5 in
    • Product Line

      Patriot Series

    • Bolt/Stud Kit

      Stud

    • Washers Included

      Yes

    • Alloy

      8740

    • Material

      Chromoly

    Details...
    Original price was: $181.00.Current price is: $163.79.Add to cart
    Original price was: $181.00.Current price is: $163.79.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    NITROUS EXPRESS EFI Nozzle Adapter Fitting 15719

    SKU: NXS15719
    Product information
    • Weight0.03 lbs
    • Dimensions3.2 × 1.85 × 0.8 in
    • Quantity

      Each

    • Material

      Aluminum

    • Color

      Black

    • Finish

      Anodized

    • Style

      Straight

    Details...
    Original price was: $28.24.Current price is: $24.56.Add to cart
    Original price was: $28.24.Current price is: $24.56.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

    QA1 Pro Coil Mustang II Single Adjustable MS301

    SKU: QA1MS301
    Product information
    • Weight3.7 lbs
    • Dimensions19.1 × 3.9 × 3.6 in
    • Quantity

      Each

    • Product Line

      Mustang II Front Coil-Over Shock

    • Internal Design

      Twintube

    • Gas/Hydraulic

      Hydraulic

    • Threaded Body

      Yes

    Details...
    Original price was: $297.00.Current price is: $269.95.Add to cart
    Original price was: $297.00.Current price is: $269.95.
    Quantity Only 8 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SEALED POWER Moly Piston Ring Set E178K30

    SKU: SEAE178K30
    Product information
    • Weight1.09 lbs
    • Dimensions5.25 × 5 × 3.15 in
    • Quantity

      Kit

    • Variant

      Yes

    • Variant Group

      Piston Rings144

    • Variant Column

      Bore (standard)

    • Product Line

      Performance

    Details...
    Original price was: $85.18.Current price is: $77.44.Add to cart
    Original price was: $85.18.Current price is: $77.44.
    Quantity Only 6 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    UMI PERFORMANCE Rear Control Arm 3622-B

    SKU: UMI3622-B
    Product information
    • Weight14.25 lbs
    • Dimensions26 × 6.5 × 5 in
    • Material

      Steel

    • Color

      Black

    • Finish

      Powder Coat

    • Quantity

      Pair

    • Variant

      Yes

    Details...
    Original price was: $443.99.Current price is: $369.99.Add to cart
    Original price was: $443.99.Current price is: $369.99.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOLLEY Needle & Seat 6-504

    SKU: HLY6-504
    Product information
    • Weight0.03 lbs
    • Dimensions5 × 3.5 × 0.4 in
    • Quantity

      Each

    • Variant

      Yes

    • Variant Group

      Carburetor Needle and Seats5

    • Variant Column

      Orifice Diameter

    • Material

      Brass

    Details...
    Original price was: $33.00.Current price is: $29.11.Add to cart
    Original price was: $33.00.Current price is: $29.11.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WINTERS Bearing 7340ACS

    SKU: WIN7340ACS
    Product information
    • Weight1.025 lbs
    • Dimensions5.4 × 4.8 × 1.3 in
    • Hub Location

      Carrier Bearing

    • Bearing A Style

      Ball

    • Bearing A Race Outside Diameter

      3.500 in

    • Bearing A Race Included

      Yes

    • Bearing A Thickness

      0.880 in

    Details...
    Original price was: $74.28.Current price is: $67.53.Add to cart
    Original price was: $74.28.Current price is: $67.53.
    Quantity Only 5 left in stock!
    -+
    Add to cart
    Add to wishlist

    88