Thread: all steel 406. 35 laps since b
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5/10/15, 3:40 PM   #4
Englandracing13
Englandracing13 is offline
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Join Date: Sep 2013
Posts: 142
 

2500 for all steel 406

And

2200 for the 18 degree SPX brodix aluminum heads.

Need gone can't use either one anymore