View Full Version : Big Bore Kits

09-23-2007, 01:56 PM
Hey all you Buellers...anyone done any serious motor work like puttin in a big bore kit? What are these motors capable of spinnin? HP wise?

09-23-2007, 03:31 PM
I have a 9r and would be interested to know how much difference the 1050cc kit actually makes.

Das Bolt
09-23-2007, 11:58 PM
I'm thinking big bore also,maybe have my heads reworked or upgraded first.Before all that though I want to get a bigger throttlebody,the stock one is kinda small and I dont see how you can really improve performance without doing that.Any help finding one would be welcome.

09-24-2007, 01:38 AM
I was also thinking heads and bigger throttle body. I think the 12's have a bigger throttle body, if you have a 9

09-24-2007, 01:53 AM
so... has anyone put a 1050 kit on their 984? How much difference?

07-15-2010, 07:20 AM
Anyone know where to find one of these kits?

07-15-2010, 07:41 AM
Topic abused..... RESEARCH IT!

(Search option)

07-16-2010, 10:19 PM
Hey buelltool,look up nrhsperformance.com,they sell the 1050cc kits for the xb9r,they claim it will make a difference in power, I plan on doing it to mine when I get the cash.:)