Mc 28 head conversion

**Fri Feb 03, 2012 11:37 pm » Post: #1 » Download Post**

Hi,
what the difference between rear KV3L head RR1 and RR2?
I need update My Mc28 sp (with hrc hose)

thanks
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Alessandro Cucco
via Brigate Partigiane 43c
54033 Carrara (MS) Italy

**Sat Feb 04, 2012 8:45 am » Post: #2 » Download Post**

Me too need that. But where can I find one..

**Tue Feb 07, 2012 12:47 am » Post: #3 » Download Post**

I have both though haven't measured them yet.

At a first glance, squish band and height looks identical.
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2t-racelab.com

**Tue Mar 20, 2012 7:32 pm » Post: #4 » Download Post**

If i remember right the difference of them is that they are for different cylinder bore A mark,B mark etc.If i dont remember right,correct me Cool