This spring provides more side belt pressure and torsional (twisting) pressure than the stock Arctic Cat yellow 0148-227 spring. This spring is a .207 wire, five coil that is slightly longer than stock yellow spring length. It has a softer spring tension than the Red/White or Pink/White spring. It may be used with stock helixes on engines from 700cc to 1000cc and can be used for roller clutch use. This spring will not fit Diamond drive models.