ACDelco R44LTS6 Professional Conventional Spark Plug (GM 19157992) - Marine & Automotive V8 Tune-Up Kit - 8 Pack

Restore peak engine performance and efficiency with this 8-Pack of genuine ACDelco R44LTS6 Spark Plugs. When it is time to tune up your V8 engine, relying on aftermarket ignition components can lead to misfires, poor fuel economy, and difficult cold starts. The ACDelco R44LTS6 is the factory-specified conventional spark plug designed and validated by General Motors. Buying this pre-bundled 8-pack ensures you have the exact quantity needed for a full block service, saving time and ensuring consistent ignition across all cylinders. Dual-Purpose Reliability: While excellent for compatible GM road vehicles, the R44LTS6 is an industry standard for marine applications. It is widely used in GM-based marine blocks, including Mercruiser and Volvo Penta 5.0L and 5.7L V8 engines. The robust copper core and nickel-plated shell withstand the sustained high RPMs and harsh, damp conditions of marine operation. Technical Specifications: Brand: ACDelco MPN: R44LTS6 GM Part Number: 19157992 Quantity: 8 Spark Plugs Center Electrode: Copper Core / Conventional Thread Size: 14mm Reach: 0.708 Inches Pre-Set Gap: 0.060 Inches (Always verify gap for your specific engine prior to installation)