Join Date: Feb 2011
Location: mason city iowa
Thanked 63 Times in 56 Posts
Rep Power: 77
shims space your primary further apart,belt rides lower in primary higher in secondary. more low end but less top speed. You can have your primary machined for more low and keep your same top speed.
2008 red 700 fi with ps warn xt25 12" sti G8 wheels 25x10 25x 12.5 bear claws hot rod sheave 17g dr.pulley od's purple spring .5mm shim 2R tip
2005 kodiak 450 blue- Hot rod sheave
2002 kodiak 400 red