so i recently acquired a B2 but it needs a new piston/sleeve. Anyone know if the piston/sleeve from the B5 or B6 will work in the B2? Ive tried contacting Werks but have yet to get a response.

I think they are interchangeable but don't know 100%. I'm sure someone will come along to confirm it.

Sorry, we were closed last week so we are a little backed up on and still catching up on e-mails and voice mails. In regards to your question, the piston/sleeve will fit but the bore and stroke on the B2 is different than the other models, so it will not work. In regards to the B2 P/S set I believe that A-main should stock them, if not just shoot me a PM and I'll get it set up with them (might take a few days to do that though).

thanks!

I put the internals piston/sleeve/crankshaft of a B5 in my B2 and all I can say is WOW!!!!
it is as fast as my Sirio Kanai Evo4 STI but it feels like it has more low & mid than my Sirio..

Cases are the same, so now you are basically running a stock B5

yeap..