E3.24 is a 10mm, 0.500 in. reach plug with a gasket seat. It is used in a wide variety of small engine applications, especially handheld lawn & garden equipment. The patented DiamondFire side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use. The unique ground electrode and full-size center electrode also provides optimal performance over an extended product life.

• • Patented edge to edge design concentrates spark energy resulting in easy starts in all conditions
• • Increases engine power up to 12% over conventional spark plugs-results will vary
• • Fuel consumption reduced up to 13% in small engines-results will vary
• • E3’s advanced spark technology produces cleaner burning combustion; toxic emission in long term use reduced up to 58%-results will vary
• • Replaces – Bosch: USR7AC, Champion: RZ7C, NGK: CMR5H, CMR6H, CMR7H
• • 5/8 in. hex size