Mopar Performance SP143877AB Iridium Spark Plug for 5.7L HEMI Engines

The Mopar Performance SP143877AB is a premium iridium spark plug engineered specifically for 5.7L V8 HEMI engines. This OE-quality spark plug delivers the electrical spark needed to ignite the air-fuel mixture in your engine's combustion chambers, ensuring optimal performance, fuel efficiency, and reduced emissions.

Key Features:

• Iridium construction for superior durability and performance
• 100,000-mile service interval for extended maintenance cycles
• Designed for 5.7L HEMI MDS VVT engines, including eTorque variants
• Manufactured to exact OEM specifications for guaranteed fit and function
• Sold individually - 16 plugs required per engine (8 per cylinder head)
• Backed by Mopar 24-month parts warranty

This genuine Mopar spark plug ensures proper combustion for smooth engine starts, improved fuel economy, and cleaner exhaust emissions. The iridium electrode provides exceptional wear resistance and consistent spark performance throughout its extended service life. When it's time to replace your spark plugs due to reduced performance or fuel efficiency, trust the OE quality of Mopar Performance parts for your HEMI engine.