This spring provides more side belt pressure and torsional (twisting) pressure than the stock Arctic Cat yellow 0148-227 spring. This spring is ideal for any brand of roller clutch set up for Arctic driven clutches and is the #1 selling spring in the U.S.A. because it works in almost any application. It is ideal for hill climbers, drag racers, and turbo snowmobiles. This spring is a .207 wire four coil and longer in free length that the stock Arctic Cat yellow spring. It’s application spring characteristics have more torsional (twisting) force than the Pink or White. For use on 700cc to 1725cc engines. This spring will not fit Diamond drive models.