Isky Cams Oval Track Hydraulic Flat Tappet Camshaft SB Chevy 284 292 Mega Grind 2700 7000 RPM Range Advertised Duration 284 Degree, 292 Degree Duration @ .050" 236 Degree, 244 Degree Lift .510", .505" 106 Degree Lobe Center 1310C14 Aggressive To Moderate Exterior Exhaust 2019 2022 GMC Sierra Aggressive To Moderate Exterior Exhaust Note Out to starter relay trigger wire The final phase of testing is accomplished when the newly dyno tested cams and components are coordinated with the best stock and performance equipment into racing cars and boats as well as performance and stock street machines Isky maintains a continuous engine testing program