USE COUPON CODE: XMAS
Free shipping on orders over $250
USE COUPON CODE: XMAS
Free shipping on orders over $250
E3 Spark Plugs uses its patented DiamondFIRE design to target efficient combustion and consistent ignition performance across automotive and racing applications. For performance builds, a quality spark plug choice can support clean burn characteristics and reliability—especially when tuning for higher cylinder pressures or more demanding driving conditions.
PART # E3.74
E3.74 E3 11-24 Chrysler 300 / Dodge Challenger / Charger 6.4L 392 Spark Plugs. Enhance the performance of your vehicle with Spark Plugs. Featuring patented DiamondFIRE technology, these plugs deliver more power, improved fuel efficiency, and reduced emissions. Built with a fixed gap and triple-ground electrode for optimal heat transfer, they’re rated for 100,000 miles or 5 years.
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E3 Spark Plugs uses its patented DiamondFIRE design to target efficient combustion and consistent ignition performance across automotive and racing applications. For performance builds, a quality spark plug choice can support clean burn characteristics and reliability—especially when tuning for higher cylinder pressures or more demanding driving conditions.
11-24 Chrysler 300 / Dodge Challenger / Charger 6.4L 392
E3.74
The E3.74 Automotive Spark Plug is a high-performance replacement plug designed for vehicle. Engineered with E3’s patented DiamondFIRE technology, the plug promotes a faster, more complete combustion cycle—boosting horsepower, increasing fuel efficiency, and reducing emissions over the long term.
This spark plug features a 14mm thread diameter, 1.000" reach, and taper seat to ensure a precise fit for your vehicle engine. Its triple-legged ground electrode secures the DiamondFIRE tip, enhancing heat dissipation and generating greater turbulence in the combustion chamber for maximum efficiency. The fixed-gap design eliminates the need for adjustments and delivers consistent spark performance across thousands of miles. Backed by a 5-year or 100,000-mile warranty, the E3.74 offers durability and peak engine performance for drivers who demand more from their vehicle.
Free Standard Shipping on orders over $250. Select “Free Shipping” at checkout.
Need to return an item? We make it easy. Email us and we'll send you a free return label with instructions on how to return.
11-24 Chrysler 300 / Dodge Challenger / Charger 6.4L 392
E3.74
The E3.74 Automotive Spark Plug is a high-performance replacement plug designed for vehicle. Engineered with E3’s patented DiamondFIRE technology, the plug promotes a faster, more complete combustion cycle—boosting horsepower, increasing fuel efficiency, and reducing emissions over the long term.
This spark plug features a 14mm thread diameter, 1.000" reach, and taper seat to ensure a precise fit for your vehicle engine. Its triple-legged ground electrode secures the DiamondFIRE tip, enhancing heat dissipation and generating greater turbulence in the combustion chamber for maximum efficiency. The fixed-gap design eliminates the need for adjustments and delivers consistent spark performance across thousands of miles. Backed by a 5-year or 100,000-mile warranty, the E3.74 offers durability and peak engine performance for drivers who demand more from their vehicle.
Free Standard Shipping on orders over $250. Select “Free Shipping” at checkout.
Need to return an item? We make it easy. Email us and we'll send you a free return label with instructions on how to return.
