COMP Cams Stage 1 LST Hydraulic Roller Camshaft for 03-10 Ford Powerstroke 6.0/6.4L

No Springs Required and works even with factory tune! This is the grind that should have come from the factory for the 6.0L and 6.4L PowerStroke Fords. Instant response and performance gains across the board.
See 435-301-13 for Stage 2 NSR cam