Spark Plug - Autolite XST458DP

Autolite® Xtreme StartTM spark plugs are designed with an iridium-enhanced fine-wire center electrode that provides 26% quicker*, more consistent starts compared to standard copper plugs; making it the obvious go-to choice for your outdoor equipment.

• The Yttrium-enhanced ground electrode provides superior heat transfer providing more durability under high temps and pressure for greater life.
• Engineered with an iridium-enhanced center electrode that delivers 26% faster starts*, better fuel efficiency, and optimal engine performance.
• Its high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.