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 12-25 Ram / Durango / Jeep Grand Cherokee 6.4L 392 Spark Plugs. Unlock the full potential of your vehicle with Spark Plugs. Featuring patented DiamondFIRE technology, these plugs improve horsepower, fuel economy, and emissions. With a durable fixed-gap design and superior heat transfer, enjoy consistent performance for up to 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.
12-25 Ram / Durango / Jeep Grand Cherokee 6.4L 392
E3.74
The E3.74 Automotive Spark Plug is the perfect upgrade for your vehicle. Designed with E3’s innovative DiamondFIRE technology, this plug creates a more complete and efficient burn, resulting in increased power, improved throttle response, reduced fuel consumption, and lower emissions.
Built with a 14mm thread diameter, 1.000" reach, and taper seat, the E3.74 plug ensures a secure, OEM-style fit. Its unique three-legged ground electrode stabilizes the DiamondFIRE tip and provides exceptional heat transfer and combustion turbulence. The fixed gap means there's no need for adjustments, ensuring consistent spark and optimal engine performance. Backed by a 100,000-mile or 5-year performance guarantee, the E3.74 is a reliable, high-performance replacement for demanding HEMI engines.
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.
12-25 Ram / Durango / Jeep Grand Cherokee 6.4L 392
E3.74
The E3.74 Automotive Spark Plug is the perfect upgrade for your vehicle. Designed with E3’s innovative DiamondFIRE technology, this plug creates a more complete and efficient burn, resulting in increased power, improved throttle response, reduced fuel consumption, and lower emissions.
Built with a 14mm thread diameter, 1.000" reach, and taper seat, the E3.74 plug ensures a secure, OEM-style fit. Its unique three-legged ground electrode stabilizes the DiamondFIRE tip and provides exceptional heat transfer and combustion turbulence. The fixed gap means there's no need for adjustments, ensuring consistent spark and optimal engine performance. Backed by a 100,000-mile or 5-year performance guarantee, the E3.74 is a reliable, high-performance replacement for demanding HEMI engines.
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.
