GENUINE NGK BPR4ES STANDARD SPARK PLUGS — 2 PACK Purchase two 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: 2 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 two-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 2 × genuine NGK BPR4ES spark plugs This listing is for two individual spark plugs, not a larger case quantity.