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View Full Version : Pro X cylinder for 250r


Arsene Racing
12-13-2009, 09:30 PM
Hi,

i'm looking for a Pro X cylinder 310 / 330 / 350 good or scrap and power valve or not.
1promodfan
12-14-2009, 03:24 PM
I can get ya a 370 kit. Its a 350 cylinder w/ a 5mil crank. Its the ProX style. Let me know if you're interested.
Arsene Racing
12-14-2009, 06:02 PM
it is new or use ??

ported or not ??
1promodfan
12-15-2009, 02:36 PM
It is used, but in great shape. Its an ESR Pro-X cylinder and has Eddie's TRX-9 porting........not like the ones thats out now. Its actually been done by hand.
Arsene Racing
12-15-2009, 06:50 PM
what is the piston size ??
how thick is the spacer plate ??
do you have the crankshaft too ??
01shee
12-16-2009, 03:42 AM
I have a 330 prox trx11 esr porting and head. Its bored .020 over.
Probably due for a bore and piston. Ill take 380 shipped.
1promodfan
12-16-2009, 06:43 AM
Originally posted by arseneracing
what is the piston size ??
how thick is the spacer plate ??
do you have the crankshaft too ??

Piston is 78mm........I believe, I'll have to check. Yes, it includes the 5mil crank too. The spacer is 5mm, I can find out to be sure. $600+ shipping....nego