Come on, do you really think Honda would stick something in that head if it didn't need to be there? Those extra lobes do the same thing that any other camshaft lobes do-make valves go up and down ...
Cost B16A and hydraulic transmission swap-$2,400; HASport mount kit-$399; HASport clutch, MC adapter and MC-$199; HASport wiring $199; HASport shift linkage-$149; HASport axles-$349. Pros 160 hp, 8200 ...