anyone know what helix this is?


You will likely have to re clutch for you're pipes. Maxximum went out of business some time ago and those helixes/parts are no longer available. Which is a shame for those of us who had one lol. My dad had one on his sled and the helix angle was hand scribed into the side. If you decide to sell let me know. If the helix angle is anywhere close to something I could use.
 
I've tried several times over multiple years to get anything for our old outdated sleds from mpi. They always give me the run around for one reason or another. Two seasons ago they told me they had tons of "cages" but no helixes... To call in the summer and they could machine more. Called in summer and they said too busy. This summer called and now they don't have the composite rollers...said they might make more but couldn't say if/when... Bla bla bla. My opinion is they are focused on turbos now and could care less for any parts they ever made or servicing said "discounted" parts.
 
I have a roller like that one. Not sure what the angles are I will find out the make and angles this weekend if anyone wants it. Shoot me a price. Worst I can say is no. I can text pics to anyone interested.
 


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