Description

Main Stud Kit – 12 Point Nuts – 2-Bolt Mains – Chromoly – Black Oxide – Mazda 4-Cylinder – 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 ARP

Automotive Racing Products (ARP) started in 1968, in Southern California. Their product line includes everything from engine and driveline fasteners for OEM replacement parts to exotic specialty hardware for the Formula 1, Indycar, NASCAR, NHRA Drag Racing, and Marine Applications. They produce a number of specialty products like cylinder head fastener kits, connecting rod bolts, exhaust manifold/header fastener kits, oil pan fastener kits, piston ring compressors, 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 “ARP Mazda Main Stud Kit 218-5401”

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

    PERMA-COOL Sandwich Adapter 181

    SKU: PRM181
    Product information
    • Weight0.695 lbs
    • Dimensions6.05 × 4.65 × 1.8 in
    • Inlet Quantity

      1.0

    • Inlet Style

      Female

    • Outlet Quantity

      1.0

    • Outlet Style

      Female

    • Material

      Aluminum

    Details...
    Original price was: $52.00.Current price is: $46.63.Add to cart
    Original price was: $52.00.Current price is: $46.63.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PERTRONIX IGNITION Ignitor Conversion Kit HO-181

    SKU: PRTHO-181
    Product information
    • Weight0.18 lbs
    • Dimensions6.15 × 4.8 × 1.55 in
    • Quantity

      Kit

    • Product Line

      Ignitor

    • Trigger Method

      Magnetic

    • Voltage

      12V

    • Positive / Negative Ground

      Negative

    Details...
    Original price was: $192.00.Current price is: $174.04.Add to cart
    Original price was: $192.00.Current price is: $174.04.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

    NGK Spark Plug # 5129 DPR7EA-9

    SKU: NGKDPR7EA-9
    Product information
    • Weight0.09 lbs
    • Dimensions3.1 × 0.8 × 0.6 in
    • Product Line

      NGK Standard

    • Plug Length

      Standard

    • Core Type

      Resistor

    • Heat Range

      7.0

    • Core Material

      Copper

    Details...
    Original price was: $3.94.Current price is: $3.58.Add to cart
    Original price was: $3.94.Current price is: $3.58.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MSD IGNITION Bolt Down Kit – Ford Distributor Cap 8499

    SKU: MSD8499
    Product information
    • Weight0.155 lbs
    • Dimensions7.8 × 6 × 1.55 in
    • Material

      Steel

    • Color

      Zinc

    • Finish

      Plated

    • Quantity

      Kit

    • Intended Purpose

      Cap Bolt Down Kit

    Details...
    Original price was: $90.00.Current price is: $81.05.Add to cart
    Original price was: $90.00.Current price is: $81.05.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SCRIBNER Utility Jug – 5-Gallon Green 2000G

    SKU: SCR2000G
    Product information
    • Weight4.085 lbs
    • Dimensions21.3 × 9.7 × 9.55 in
    • Style

      Jug

    • Shape

      Square

    • Length

      9.5 in

    • Width

      9.5 in

    • Height

      21.75 in

    Details...
    Original price was: $38.57.Current price is: $32.14.Add to cart
    Original price was: $38.57.Current price is: $32.14.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    ISKY CAMS Chevy Solid Lifters 202H

    SKU: ISK202-H
    Product information
    • Weight3.25 lbs
    • Dimensions9.3 × 2.2 × 2.1 in
    • Material

      Steel

    • Color

      Natural

    • Finish

      Natural

    • Quantity

      Set of 16

    • Lifter Style

      Mechanical Flat Tappet

    Details...
    Original price was: $387.87.Current price is: $352.61.Add to cart
    Original price was: $387.87.Current price is: $352.61.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HURST Installation Kit 3734297

    SKU: HUR373-4297
    Product information
    Details...
    Original price was: $431.00.Current price is: $390.95.Add to cart
    Original price was: $431.00.Current price is: $390.95.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    VENTSHADE Window Ventvisor 94768

    SKU: VEN94768
    Product information
    • Weight2.3 lbs
    • Dimensions46.88 × 11.88 × 1.88 in
    • Product Line

      Original Ventvisor

    • Application Specific

      Yes

    • Front Mounting Style

      Stick-On

    • Rear Mounting Style

      Stick-On

    • In Channel / Out Of Channel

      Out of Channel

    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 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WEATHERTECH Rear Cargo Liner 40896

    SKU: WEA40896
    Product information
    • Weight5.1 lbs
    • Dimensions48.5 × 8.5 × 8 in
    • Product Line

      Cargo/Truck Liner

    • Application Specific

      Yes

    • Textured

      Yes

    • Material

      Plastic

    • Color

      Black

    Details...
    Original price was: $153.00.Current price is: $138.95.Add to cart
    Original price was: $153.00.Current price is: $138.95.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist

    67