Blueprinting from Wilson's is 2,000 per lower, from friends that I know that have had this done, it's a night and day difference as far as speed I have heared anywhere from 3 to 8 mph, put it this way Buck @ Loto made a 141 are 142 pass in the shootout with a stock IMCO SC lower they pulled the stock lower and installed the blueprinted one and he went back out and laid down a 148 are 149 pass, very impressive
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