Enhance the performance and reliability of your chainsaw with this high-quality Piston Pin Ring Kit, designed specifically for select models to ensure a perfect fit and long-lasting durability. Crafted from premium alloy material, this kit offers excellent wear resistance and stable performance, making it an essential replacement part for maintaining optimal engine function. Key Features: · Precision Engineered Fit: Compatible with chainsaw models including 345, 345e, 346, 346XP, and 346 EPA, providing a seamless replacement for part number 503907371. · Durable Alloy Construction: Made from high-quality alloy, this piston pin ring kit delivers superior hardness and wear resistance, extending the lifespan of your chainsaw components. · Accurate Dimensions: Featuring a piston diameter of approximately 42mm (1.7 inches), ensuring easy installation and a secure fit for your chainsaw engine. · Stable and Reliable Performance: Designed to improve the overall efficiency and power output of your chainsaw, supporting smooth operation under various working conditions. · Professional Manufacturing: Manufactured with exquisite workmanship and high precision to meet strict quality standards, guaranteeing consistent performance and compatibility. Specifications: · Item Type: Piston Pin Ring Kit · Material: Alloy · Color: As shown in the picture · Piston Diameter: Approx. 42mm / 1.7in · Fitment: Compatible with chainsaw models 345, 345e, 346, 346XP, 346 EPA · Replacement Part Number: 503907371 / 503 90 73 71 · Weight: Approx. 74g / 2.6oz Package Includes: · 1 x Piston Pin Ring Kit This piston pin ring kit is an ideal choice for chainsaw owners seeking a reliable and durable replacement part to maintain the peak performance of their equipment. Its robust alloy construction and precise fit ensure long-term use, making it a valuable addition to your chainsaw maintenance toolkit.