High-Quality & Wide Compatibility - VOLTIZER ignition coil is a high-quality replacement for Kohler 25 519 02-S, compatible with ECH630, ECH650, ECH680, ECH730, ECH740, ECV730, ECV740, and ECV749 engines commonly used in lawn mowers, generators, and commercial equipment. Complete Accessory Kit Included - Each set comes with: K6RTC Spark Plug (168A) ×1 0.4mm Precision Feeler Gauge ×1 Spark Plug Socket Wrench Set ×1 M6×35mm Hex Flange Bolts ×2 All components are selected for reliable performance and convenient installation. VOLTIZER Manufacturing & Validation - ...