When it comes to valve elevate, the B16A2 engine contains a most lift of 9.0mm for the intake valves and eight.4mm for the exhaust valves. The valve raise and period are altered dependant on the VTEC engagement, which occurs at 5600 RPM. The VTEC process engages at 5600 RPM, making it possible for the engine to make the most of its high-RPM genera