--- product_id: 52637346 title: "Autolite AR50-4PK High Performance Racing Non-Resistor Spark Plug, Pack of 4" brand: "autolite iridium ultra" price: "€ 1.30" currency: EUR in_stock: false url: https://www.desertcart.pt/products/52637346-autolite-ar50-4pk-high-performance-racing-non-resistor-spark-plug store_origin: PT region: Portugal --- # Colder heat range Durable nickel plating High-performance racing Autolite AR50-4PK High Performance Racing Non-Resistor Spark Plug, Pack of 4 **Brand:** autolite iridium ultra **Price:** € 1.30 **Availability:** ❌ Out of Stock ## Summary > ⚡️ Ignite Your Drive with Autolite! ## Quick Answers - **What is this?** Autolite AR50-4PK High Performance Racing Non-Resistor Spark Plug, Pack of 4 by autolite iridium ultra - **How much does it cost?** € 1.30 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/52637346-autolite-ar50-4pk-high-performance-racing-non-resistor-spark-plug) ## Best For - autolite iridium ultra enthusiasts ## Why This Product - Trusted autolite iridium ultra brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Pack of Champions:** Get four high-performance spark plugs to keep your engine roaring. - • **Ignite Your Passion:** Cut back ground electrode design enhances flame kernel ignitability for a powerful burn. - • **Rust-Proof Reliability:** Anti-corrosive nickel plating keeps your spark plugs in top shape, race after race. - • **Stay Cool Under Pressure:** Yttrium-enhanced alloy reduces side wire temperature by up to 8%, ensuring durability. - • **Unleash Your Inner Racer:** Engineered for peak performance, these spark plugs are the choice of champions. ## Overview The Autolite AR50-4PK High Performance Racing Non-Resistor Spark Plug pack includes four expertly engineered spark plugs designed for professional racing. With features like a Yttrium-enhanced alloy for reduced temperature, a cut back ground electrode for improved ignitability, and anti-corrosive nickel plating, these plugs are built to withstand intense racing conditions and enhance your vehicle's performance. ## Description Autolite Racing Spark Plugs are used by many professional race car drivers. These spark plugs contain an Yttrium-Enhanced Alloy, which enables up to 8 percent reduction in side wire temperature for improved durability and less pre-ignition. Autolite racing plugs are available in colder heat ranges than most plug manufacturers to support modified engines and feature a cut background electrode for improved ignitibility and faster flame kernel growth. They are also nickel plated for a long-lasting, corrosion-resistant finish. Since its inception, the Autolite brand has provided the automotive aftermarket and Original Equipment manufacturers the highest quality ignition products. Autolite has been in operation for over 100 years and has produced more than 11 billion spark plugs and glow plugs. These plugs are specifically designed for each application to meet or exceed OE quality and performance. Autolite makes plugs for Japanese, European, and Korean cars as well as plugs for Lawn & Garden and Power Sports. As a leading supplier of spark plugs, the Autolite brand has the right ignition products for your application, regardless of make or model, import or domestic. ## Features - Replacement racing spark plug used by many professional car drivers - Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions - Contains an Yttrium-enhanced alloy to enable up to 8% reduction in side wire temperature for improved durability and less pre-ignition - Features cut back ground electrode for improved ignitability of flame kernel - Coated in an anti-corrosive nickel plating to prevent rusting ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B003TPKKXA | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #1,132,451 in Automotive ( See Top 100 in Automotive ) #5,653 in Automotive Replacement Spark Plugs | | Brand Name | Autolite Iridium Ultra | | Compatible with Vehicle Type | Car | | Core Material | Nickel | | Customer Reviews | 4.7 4.7 out of 5 stars (19) | | Global Trade Identification Number | 00009100017697 | | Included Components | High Performance Racing Non-Resistor Spark Plug | | Item Type Name | Racing Non-Resistor Spark Plug | | Item Weight | 2.24 ounces | | Manufacturer | FRAM | | Manufacturer Part Number | AR50-4PK | | Manufacturer Warranty Description | Lifetime Limited Warranty | | Model Number | AR50-4PK | | Number of Items | 4 | | Thread Size | 14mm | | Top Material Type | Nickel | | UPC | 009100017697 | | Unit Count | 1 Count | ## Product Details - **Brand:** Autolite Iridium Ultra - **Core Material:** Nickel - **Thread Size:** 14mm - **Top Material Type:** Nickel - **Vehicle Service Type:** Car ## Images ![Autolite AR50-4PK High Performance Racing Non-Resistor Spark Plug, Pack of 4 - Image 1](https://m.media-amazon.com/images/I/71Bq-jTkqeL.jpg) ## Available Options This product comes in different **Number of Items** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/52637346-autolite-ar50-4pk-high-performance-racing-non-resistor-spark-plug](https://www.desertcart.pt/products/52637346-autolite-ar50-4pk-high-performance-racing-non-resistor-spark-plug) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-08*