The McCormick 3685376M91 Timing Set, also known as a Timing Gear Kit or Jeu de distribution, is a genuine OEM replacement part designed for a wide range of McCormick agricultural tractors. This critical engine component ensures precise synchronization of engine valves and pistons, maintaining optimal engine performance and reliability. Compatible with McCormick CX, MC, MTX, XTX, and X7000 series models, this timing set is manufactured to exact specifications for a perfect fit and long-lasting durability. Weighing approximately 0.12 kg, it is a vital part for engine maintenance and repair.