Quote:
Originally Posted by AZRickD
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The re-chambering offered by RK Tek is what I was talking about. They cut your head to accept an insert.
I had an RB head on my 05 and S3 heads on my 11’ and 15’. The RB head doesn’t offer much of a performance boost. It just smooths out power delivery and makes the bike easier to jet. The S3 gives some extra bottom end by increasing the compression. The RK head changes everything. Also it gives you the option of having multiple inserts cut. Say you want to run race gas normally but sometimes only run pump gas, you could have an insert cut for both. Or maybe you ride and different altitudes. I know the majority of us would never change heads for these scenarios but the option is there. Guess my point is, it offers more tuning options.
Most guys don’t bat an eye at spending $250 on a FMF gnarly pipe to gain a tiny bit of bottom end. Why not drop $150 or even $300 on something that offers far more performance?
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