Ok I found this, this is what I'm talking about. It's got the high comp 10.5:1 pistons in a stage 3 kit form. This wouldn't be a bad idea to throw into an existing stage 4 103 setup. Still more expensive then I was hoping

http://www.harley-davidson.com/store...k-highlighted?

 

I defintely agree with you Prot with either being not real great bang for buck. But I think with the kit I just showed, with heads that have been opened up, TB port, polished and port matched, decent pipes, there would then be a lot more value for money from this kit. I'm interested in trying this out, cost wise has me rethinking this though

 

Have a look at this. It is a lot more affordable.

http://www.sscycle.com/product/2007-...ce-Kits-c1087/

There are two kits, a 106" and 107" in there that do not require expensive machine work.

 

That SE 110 kit doesn't require machine work either. Going from 103 to 106 or 107 cubes starts to seam a bit pointless though yeah? I would strip my motor again for another 7 cubes if I could get a good price on itemising just the Pistons rings gasgets and barrels, I'm not sure I would do it for 3-4 cubes even if it meant I save $500. Saying that though I'm starting to think I'd be better off running what Ive put together and slowly piece together something else

 

Are you starting with 103" or 96"? If you have 96", then the s&S kit is the way to go. If you have 103", you have enough displacement. You just need to make better use of it.

My Evo is only 80" and it pushed me back in the seat with very mild build that focuses on torque in low to mid rpm range.

 

Looks like the new 100 kits uses base gaskets

 

It was a 96 I taken it to SE 103 kit, sent the heads and TB away for a port polish and port matched bench flowed, oversize valves and deck shaved to bring it to 11:1. I was chasing a bit more bang for buck from this motor, by the looks there's no more of that available, just a shitload of coin to go to the next level

This also includes at least 100lb weight loss off the bike ontop of that

 

How can a 110 piston fit in a sleeve that is maxed out at 107? How can they increase the cyl sleeve and have it fit in the cases?

Also could the 110 cyl/pistons be bought separately and used with stock 103 reworked heads?

 

Let's take a step back and exam what you currently have. Maybe you have a mismatched part that is holding it back?

What cam, exhaust, etc. do you currently have? Do you have a dyno with the results of your current set up? What about tuner/map etc. ? (damn this is so much easier on old carbureted bikes haha)

 

Dave I couldn't tell ya, but it's already up on the HD website as a stage 3 kit. I spoke to my local as I want to do the same thing and they said they could order Pistons rings barrels gaskets seperate on the other kits, so they don't see why they wouldn't be able to do it with this kit.

Prot I think I might of given the wrong impression. There's nothing wrong with what I've got, it hasn't even been started with the new setup yet. I just thought while the bike isn't complete yet, and before I got it on the dyno, maybe now would be the best time for throwing these pistons and jugs in.

I'm guessing buying the jugs, pistons, rings and gaskets seperate would still end up being around $1300-$1500USD ($1800-$2000AUD by the time it gets to me in Australia).