Ulmer stage 2 he kit from 190 to 200 to a 240 to 250hp

Jacob Sawchuk

Extreme
Joined
Dec 22, 2015
Messages
59
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Location
Saskatchewan
Country
Canada
Snowmobile
2009 Nytro XTX
What kind of head studs, shim kit, and fuel pump would i need to upgrade my Ulmer stage 2 HE kit to the 240 to 250 hp
 
Or if at all possible what is needed for this kit for requirments to safely goto 250hp

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