>>The kit will give you a whopping extra 2311cc in capacity (to around 
19100cc
>>from memory) and is probably the biggest bang for buck you can get with a
>>1700.
>
>19,100cc's!!!!!!!!!!!!!!!!!!!!!     WOW!!!!!!!              I WANT ONE OF
>THOSE!!!!!!!!!!!!!  Can you imagine how fast the Westy would go with this?

Not very. The crankshaft would stand still, and the Westy would spin over 
and over very quickly.   :)