• Mar 14, 2026 Comp Cam Selection Guide he angle between the intake and exhaust lobes - Narrow LSA (less than 110°) increases overlap and power at high RPM - Wide LSA (more than 112°) favors smoothness and low- end torque 4. Centerline (or Intake Centerline) - The position of the cam's lobe relative to the crankshaft BY Aiyana McCullough