The Front Idler Guide Shim provides precise alignment and support for the front idler, which is a part of the undercarriage unit responsible for guiding the track chain and maintaining proper track tension. It ensures a perfect fit within the idler assembly, providing support and alignment for the idler wheel.Attributes:• Maintain the correct track tension and alignment• Manufactured to precise specifications and are built for durability and reliability• Provided with 2 mounting holes of diameter 0.812"Applications:The Front Idler Guide Shim allows for fine adjustments to be made to the idler position, compensating for wear and minimizing the risk of premature component wear and potential track misalignment.