Polaris SNYPR weight set was designed in house for quick changes to clutching and maximum adjustability. No need to remove the Primary cover and spring to swap out magnets. Simply pull the side panel off the sled and use the different length set screws or tungsten slugs to adjust RPM and belt pinch. These weights come with 3 adjustable holes in the side to add up to 12 magnets and a center hole at the heal for weight screws and slugs. Perfect for a turbo or N/A setup. The kit comes with a set of magnets, 3 different size set screws & tungsten slugs. These weights are perfect for that tuner looking to get the most out of their machine and make quick adjustments on the fly. Weights adjust from 58 to 89 grams