GENUINE NGK BPR4ES STANDARD SPARK PLUG — NEW Maintain reliable ignition with this genuine NGK BPR4ES standard replacement spark plug. Manufactured by NGK, this plug is designed for engines that specifically call for the BPR4ES specification. PRODUCT DETAILS Brand: NGK Manufacturer Part Number: BPR4ES NGK Stock Number: 6578 Product Type: Standard spark plug Spark Plug Design: Resistor type Thread Diameter: 14 mm (approximately 0.551 inch) Thread Reach: 19 mm (approximately 0.748 inch) Seat Type: Gasket seat Hex Size: 13/16 inch (21 mm) Condition: New Quantity: 1 spark plug PRODUCT FEATURES Genuine NGK replacement ignition component Standard spark plug design for specified engine applications Resistor construction for compatible ignition systems Designed to meet the BPR4ES application specification FITMENT INFORMATION Suitable for engines whose manufacturer specifies an NGK BPR4ES spark plug or a verified equivalent. Applications can vary by engine manufacturer, model, and production year. Always check the original part number and engine manual before ordering. IMPORTANT: Spark plug gap requirements can vary by engine application. Verify the correct gap and installation torque in the engine manufacturer's service documentation. Do not assume that every engine using a similar-looking spark plug requires the same specification. PACKAGE INCLUDES 1 × genuine NGK BPR4ES spark plug This listing is for one individual spark plug, not a multipack.