GENUINE NGK BPR4ES STANDARD SPARK PLUGS — 8 PACK Purchase eight new genuine NGK BPR4ES standard resistor spark plugs in one convenient seller-created multipack. NGK spark plugs are designed for specified engine applications. Confirm that BPR4ES is the correct plug for your equipment before ordering. PRODUCT DETAILS - Brand: NGK - Manufacturer Part Number: BPR4ES - NGK Stock Number: 6578 - Product Type: Standard resistor spark plug - Condition: New - Pack Quantity: 8 spark plugs - Thread Diameter: 14 mm - Thread Reach: 19 mm - Seat Type: Gasket - Hex Size: 21 mm (13/16 inch) PRODUCT FEATURES - Genuine NGK ignition components - Standard resistor spark plug design - Intended for engines specifying the BPR4ES application - Convenient eight-piece seller-created multipack FITMENT INFORMATION Suitable for engines whose manufacturer specifies NGK BPR4ES or a verified equivalent. Compatibility depends on engine make, model, and application. Check the engine parts diagram or owner's manual before ordering. IMPORTANT: Spark plug gap and installation torque requirements vary by engine application. Follow the engine manufacturer's specifications. PACKAGE INCLUDES - 8 × genuine NGK BPR4ES spark plugs This listing is for eight individual spark plugs, not a larger case quantity.