The Straightline Performance Universal Primary Clutch Compressor & Holder Kit is designed to work with virtually all flyweight-style primary clutches used in snowmobiles, ATVs, and UTVs. Featuring a non-marring compression system, billet anodized compression end, and universal holding fixture, this professional-grade tool allows riders and technicians to safely compress, hold, tune, and service clutches with unmatched versatility and ease.