Used with a rotating assembly im selling less than 20 hours...Custom ground for no reversion so water injected headers are fine....E65992 grind ..For BBC Mechanical Roller....114 degree lobe seperation...Intake dur 310* lift .592........Exhaust dur 320* lift .592....look up the grind info online at crowers website....$200 obo...Call or text me (562)212-5124....thanks..Click image for larger version. 

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