Overview Reviews Product Description Camshaft - Truck Norris - Hydraulic Roller - Lift 0.498 / 0.498 in - Intake Duration 210 - 107 LSA - 1800 / 7100 RPM - GM LS-Series - Each Product Videos Custom Field Product Reviews Write a Review Write a Review × BRIAN TOOLEY RACING BRIAN TOOLEY RACING Truck Norris Cam No Springs Required BTRTRUCKNORRISNSR Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *