The Alloy Idler Gear is a 26T layback model designed specifically for the B6.3 and B6.2 vehicles, among others. Made from hard anodized 7075 alloy, this idler gear offers superior strength compared to the stock plastic options, making it ideal for high-powered racing applications. It is crucial to maintain the longevity of the gear by applying black or white grease regularly and adjusting the slipper accordingly to ensure optimal performance.