5.0 · 1 review
SKU: XST2974DP

Xtreme Start Spark Plug: 26% Faster Starts & Better Efficiency

$4.49
FREE delivery
Description

ABOUT THIS PRODUCT

The Xtreme Start Spark Plug is engineered to deliver 26% faster and more consistent starts, making it a top-tier choice for enhancing your engine's performance. Featuring an iridium-enhanced fine-wire center electrode, it ensures optimal ignition and improved fuel efficiency. The Yttrium-enhanced ground electrode provides superior heat transfer, allowing the spark plug to withstand high temperatures and pressures for extended durability. Its high alumina multi-rib ceramic insulator offers excellent thermal conductivity and insulation, ensuring increased strength and reliability. Designed with a mid-projection center electrode and a flat seat type, this performance-grade spark plug meets or exceeds OE Standards, making it a dependable upgrade for your outdoor equipment. With a nickel ground electrode tip and iridium center electrode tip, it combines advanced materials for long-lasting performance and consistent engine operation.

Product Features:
  • Engineered with an iridium-enhanced center electrode that delivers 26% faster starts, better fuel efficiency, and optimal engine performance.
  • The Yttrium-enhanced ground electrode provides superior heat transfer providing more durability under high temps and pressure for greater life.
  • Its high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
  • Meets or exceeds OE Design
  • Designed with a mid-projection center electrode and flat seat type, this spark plug ensures precise fitment and reliable performance, making it an ideal upgrade for demanding applications.
Specifications
Brand
Autolite (253)
SKU
XST2974DP
Product type
Automotive
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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.

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Customer Reviews

5.0

Based on 1 review

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Emma S. Verified Buyer
12/14/2025

Exactly what I needed

Easy to order and arrived quickly. Product matched the listing and works great.

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