Skidoo spring for m1000 secondary

[west coast]

Whats the part number to the black purple purple spring that guys are using in their secondaries? I went to skidoo dealer and said black purple purple and I got confused looks.

 

[markoo]

Not sure why you would use it but the part number is 417127062

 

[west coast]

Used a 2 1/8 hole saw to get spring to fit. Tried it out yesterday and sled performed better than ever. No more rpm drop.