Brian Tooley Racing Truck Norris Hydraulic Roller Camshaft - Lift 0.498 / 0.498 in - Intake Duration 210 - 107 LSA - 1800 / 7100 RPM - GM LS-Series 310192 Manufacturer of performance exhaust systems

Manufacturer of performance exhaust systems

The 8 Hole Top Air is designed to utilize the top ventilation channels on the HP7

Each half turn equals 1/16" eliminating the need for packer shims

GM Fullsize Truck 2019-20

Brian Tooley Racing Truck Norris Hydraulic Roller Camshaft - Lift 0.498 / 0.498 in - Intake Duration 210 - 107 LSA - 1800 / 7100 RPM - GM LS-Series 310192 Manufacturer of performance exhaust systemsProduct Description: Camshaft Truck Norris Hydraulic Roller Lift 0. 498 0. 498 in Intake Duration 210 107 LSA 1800 7100 RPM GM LS Series Sold Individually Brian Tooley Racing (BTR) started as a small operation fueled by Brian Tooley's passion for engine performance and innovation. In the early 1990s, Tooley began his journey in the performance industry by working on cylinder heads and founding Total Engine Airflow (TEA). Eventually, he shifted to