Anyone know approx what it would cost just to bore from 88" to 95" and fitting the pistons ?

 

skip the 95,hillside will take it to a 98. www.hillsidecycles.com

 

It's typically in the $150 ~ $200 range.

 

Hillside has 98" pistons, fitted to the bored jugs, with all gaskets, for roughly $600. There's a core charge on the jugs until you send them yours. That's the way I'm going.

 

also remember that fuel pack that you are running has to go.
you will need a TTs and the break in map better be close or you will screw up the rear cylinder from a lean condition.
Scott will tell you all this as a matter of fact he will explain it to you in detail. you will need a break in map for the build.
and a good tune.