This turbo drag race only camshaft is a solid roller cam that will support upwards of 800hp .  It is the largest turbo camshaft we offer with it's .620" lift, long duration yet turbo friendly lobe timing. Solid lifter only. RPM Range 4400-8200+rpm. We recommend our matched Beehive solid roller valve springs for this cam that are 180# closed seat pressure.  We can have this cam modified for SVO/ARCA head oiling for additional charge.