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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
000 horsepower
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From FAST: "When it comes to improving your engine’s performance
CNC Ported Stage III GM LS3 Cylinder Heads Asssembled:Yes - .625" Lift Beehive 000 horsepowerPRICES ARE PER PAIR NO CORE CHARGE These seasoned GM LS3 heads have finally been given a chance to breathe after a full treatment on our state of the art CNC equipment. That includes porting on our 5 axis, a CNC valve job on our Newen Contour and getting milled to perfect flatness on our Berco (see videos down below). The port work brings the intake runner volume from 257 to 284cc. The exhaust is increased from 87 to 99cc. Take a close look at the
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