XB9 Pistons

[christianmb]

What would I expect to pay for these, and would you go used or new? What brand would you suggest? I saw a set of NRHS hurricane pistons for about $309, but I want to get ideas for my winter project. Does anyone have a set they would be willing to let go cheap?

 

[Sirius815]

Don't you have a 12 - think I know what you might be brewing.

 

[AgateJrXB12S]

^[up] MORE COMPRESSIONN!!

 

[christianmb]

You caught me! I'm already pulling power wheelies. I want something that will kick @$$ on the street. I've already run 12:1 on the street, so this should be a walk in the park...that is more fun to ride!

 

[Sirius815]

Please report back with results as they are few and far between, especially current ones [up]

 

[christianmb]

Are the XB9 pistons exclusively Buell, or do they carryover to the XL engines?

 

[jammer84_03]

for the price, why not get the revolution performance custom pistons?

 

[thuren67]

How much will the thinner head gaskets gain in compression

 

[Sirius815]

You'll have to do some number crunching to figure that one out. I think I did some once, but with the xb9 pistons with xb12 heads. I don't think your head gasket can get much thinner and wouldn't raise compression much at all. Give cometic a call to see what sizes they carry.

I also agree on performance pistons, which are usually always lighter. Unless you can get an awesome deal on a good used set.

 

[wolfo68]

cometic will get you thicker, he's thinking the 9 pistons in the 12, which will put you at 12:1 with the stock thickness, I think the thicker will take it down to like 11.8 or so

I'll say with the 9 pistons it pulls a lot harder, and I only paid 100 for them used.

 

[MotoPhreke]

I just recently got a piston kit (piston/wristpin/rings) from my local Hardly Davidson dealer for $220 for my 12R... May be worth while pricing out OEM.. I actually couldn't believe it..

 

[Sirius815]

Man that's a good price (IMO - I haven't priced them)!

 

[thuren67]

Are the heads the same between a 9 and 12. Just stroke and piston differences ?

 

[wolfo68]

heads are the same, it's just the stroke and the piston.

 

[christianmb]

I have found a set of pistons from NRHS and from Wiseco. They are both about $350 shipped. Once winter comes around, I think I'm going to go with those and the .030 cometic gasket kit

 

[Sirius815]

[up]

 

[thuren67]

Do they make high comp pistons for the 9s?