- Compatibility : Designed for chainsaws with 45 cc, 52 cc, and 58 cc engines, specifically tailored for models in the 4500, 5200, and 5800 series. - Complete Set : This package includes two durable recoil springs and two pulleys—one plastic starter pulley and one metal pulley—ensuring reliable operation for your chainsaw. - Quality Construction : Crafted from high-quality nylon for the pulleys and robust steel for the springs, this set guarantees longer life and smooth starting performance. - Dimensions : The precisely engineered components provide a perfect fit based on standard mounting specifications for the specified chainsaw models. Applications : - Perfect for routine maintenance and repairs, ensuring your chainsaw starts effortlessly when you need it most. - Ideal for users who rely on their chainsaws for cutting firewood or landscaping, where reliability is crucial. - Great for both professional arborists and home users looking for high-quality replacement parts to keep their tools in optimal working condition.