The NOS Vintage Polaris W Clutch Weights 5630109 are designed for specific Polaris snowmobile models such as the TX, Starfire, TXL, RXL, and Indy Race. These clutch weights weigh 37.5 grams and are essential components for the clutch system of these snowmobiles. With the Polaris brand and United States manufacturing origin, these vintage clutch weights offer a reliable and authentic solution for maintaining and optimizing the performance of classic Polaris snowmobiles.