4.3 · 3 reviews
SKU: XS3924

Xtreme Sport Iridium Spark Plug: Enhanced Ignitability & Efficiency

$6.29
FREE delivery
Description

ABOUT THIS PRODUCT

The Xtreme Sport Spark Plug is engineered for peak performance, featuring an iridium-enhanced fine-wire center electrode that ensures superior ignitability and faster fuel combustion compared to standard plugs. Its tapered ground electrode design promotes smoother starts and improved efficiency, while the high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation for exceptional durability. Built with a mid-projection fine-wire center electrode and a platinum-tipped ground electrode, this spark plug delivers reliable performance and meets or exceeds OE design Standards. Designed for small engine equipment, it reduces hydrocarbon emissions by 21%, boosting fuel efficiency and horsepower. With a flat seat type and integrated resistor, this performance-grade spark plug is the ideal upgrade for those seeking enhanced ignition precision and long-lasting reliability.

Product Features:
  • Engineered with an iridium-enhanced fine-wire center electrode that delivers greater ignitability over standard non-fine-wire spark plug.
  • The tapered ground electrode provides improved ignitability for more efficient and smoother starts.
  • Its high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
  • Meets or exceeds OE Design
  • Designed with a platinum-tipped ground electrode to ensure consistent performance and enhanced durability under demanding conditions.
Specifications
Brand
Autolite (253)
SKU
XS3924
Product type
Automotive
Guides & Resources
User Guide
Returns Policy
Shipping Information

Free shipping on all orders. Most items ship next business day after your order is placed.

Returns Policy

Returns are accepted when the product is in its original, unopened container. Contact us if you have questions about your order.

View full returns policy

Customer Reviews

4.3

Based on 3 reviews

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T
Ted R. Verified Buyer
02/03/2025

Works perfectly

Setup was simple and it has worked reliably since day one.

P
Pat M. Verified Buyer
11/28/2025

Better than expected

Reliable product and smooth buying experience on this site.

C
Chris W. Verified Buyer
07/05/2025

Highly recommend

Good experience overall from checkout to delivery.

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