the GP red spring specs are(215-375)ski-doo doesn't make that particular one but has similar ones.try ski-doo #417222371(200-380)or #414991400(230-380).these are the closest that i can see.as for the GP blue secondary,its specs are(65-122)ski-doo beige is similiar.want a good secondary spring?try an erlandson red.what sled are you working on,maybe some of the other guys on the site could help you even more.the ski-doo forum is one of the best going.good luck.