I have a set of Leatherlykes on our VTX. The shocks are worn at the contact points and now the right bag has cracked where the mounting pins go thru. I won't be buying from them again.
What octane fuel are you using and do you get better performance by using higher octane?
I'm asking because my Valkyrie actually runs as well on "lawnmower" grade gas.
The filter is a dead ringer for the VTX filter. The Valk filter is longer and has a different pressure valve in it. I believe one is an 8 and the other an 11?