Ensure optimal engine performance and longevity with this set of high-quality Spark Plugs, crafted from durable iron material to withstand high temperatures and pressures within your engine. Designed for long-lasting durability, these spark plugs help maintain smooth engine operation by promoting efficient combustion and reducing common issues such as misfires and rough idling. Key Features: · Premium Durability: Made from robust iron material, these spark plugs are engineered to endure extreme engine conditions, providing reliable performance and reducing the frequency of replacements. · Enhanced Engine Health: Regular replacement of spark plugs ensures optimal combustion, improving engine efficiency, reducing misfires, and preventing rough idling for smoother operation. · Wide Compatibility: Perfect replacement for multiple models including Champion RC12YC, Briggs and Stratton 491055 series, Kohler 25 132 series, JD M78543, and Gravely lawn mower engines, ensuring versatility for various small engine applications. · Easy Installation: Precisely sized to fit small lawn mower engines, these spark plugs allow for quick and hassle-free installation, helping to maintain the smooth functioning of your mower and extend engine life. · Cost-Effective Maintenance: This pack includes four spark plugs, offering a convenient and economical solution for replacing all spark plugs at once, saving on labor costs and minimizing downtime. Specifications: · Item Name: Spark Plugs · Main Material: Iron · Product Color: White · Package Size: 20 x 10 x 3 cm (7.87 x 3.94 x 1.18 inches) · Package Weight: 200g (0.44 lb) Package Includes: · 4 x Spark Plugs This set of spark plugs is an essential maintenance component for lawn mower engines, providing dependable performance and helping to ensure your equipment runs smoothly and efficiently season after season.