--- product_id: 47342734 title: "Autolite AR3910 High Performance Racing Non-Resistor Spark Plug, Pack of 1" brand: "autolite iridium ultra" price: "6 kr" currency: NOK in_stock: false url: https://www.desertcart.no/products/47342734-autolite-ar3910-high-performance-racing-non-resistor-spark-plug-pack store_origin: NO region: Norway --- # 8% cooler sidewire temp colder heat range for power nickel anti-corrosive plating Autolite AR3910 High Performance Racing Non-Resistor Spark Plug, Pack of 1 **Brand:** autolite iridium ultra **Price:** 6 kr **Availability:** ❌ Out of Stock ## Summary > ⚡ Ignite your engine’s full potential with Autolite AR3910! ## Quick Answers - **What is this?** Autolite AR3910 High Performance Racing Non-Resistor Spark Plug, Pack of 1 by autolite iridium ultra - **How much does it cost?** 6 kr with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/47342734-autolite-ar3910-high-performance-racing-non-resistor-spark-plug-pack) ## 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 - • **Heat-Resistant Alloy:** Yttrium-enhanced alloy reduces sidewire temperature by 8%, minimizing pre-ignition risks - • **Race-Proven Durability:** Trusted by professional drivers for peak performance under pressure - • **Engineered for Power Mods:** Colder heat range designed specifically to handle high-performance, modified engines - • **Optimized Ignition Efficiency:** Cut-back ground electrode ensures faster, more reliable flame kernel growth - • **Long-Lasting Corrosion Defense:** Nickel plating protects against rust, extending spark plug lifespan and reliability ## Overview The Autolite AR3910 High Performance Racing Spark Plug is engineered for professional-grade durability and ignition efficiency. Featuring a yttrium-enhanced alloy that cuts sidewire temperature by 8%, a colder heat range for modified engines, and a corrosion-resistant nickel plating, this spark plug delivers reliable, long-lasting performance trusted by race car drivers worldwide. ## 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 handle added power - Contains an Yttrium-enhanced alloy to enable up to 8% reduction in sidewire 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 | B000CSPFYG | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | #3,275,537 in Automotive ( See Top 100 in Automotive ) #13,993 in Automotive Replacement Spark Plugs | | Brand Name | Autolite Iridium Ultra | | Compatible with Vehicle Type | Car | | Core Material | Nickel | | Customer Reviews | 4.3 4.3 out of 5 stars (7) | | Global Trade Identification Number | 00009100017802 | | Included Components | High Performance Racing Non-Resistor Spark Plug | | Item Type Name | Racing Non-Resistor Spark Plug | | Item Weight | 9.07 g | | Manufacturer | Autolite | | Manufacturer Part Number | AR3910 | | Manufacturer Warranty Description | Lifetime Limited Warranty | | Model Number | AR3910 | | Number of Items | 1 | | OEM Equivalent Part Number | AR3910 | | Thread Size | 14mm | | Top Material Type | Nickel | | UPC | 009100017802 | | 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 AR3910 High Performance Racing Non-Resistor Spark Plug, Pack of 1 - Image 1](https://m.media-amazon.com/images/I/61k--Kgq7AL.jpg) --- ## 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.no/products/47342734-autolite-ar3910-high-performance-racing-non-resistor-spark-plug-pack](https://www.desertcart.no/products/47342734-autolite-ar3910-high-performance-racing-non-resistor-spark-plug-pack) --- *Product available on Desertcart Norway* *Store origin: NO* *Last updated: 2026-09-16*