Selective single fire/double fire fuel injection control
Selective speed limiting apparatus for internal combustion engin
Selective swirl inducing device for a combustion chamber
Selective threshold ignition circuit
Selectively detachable helix ring for a fuel injector
Selectively operable fan drive arrangement
Selectively power feeding device for electrical loads and the ig
Selectively tuned intake manifold
Self actuator for cam phasers
Self adjusting camshaft gear for internal combustion engines
Self adjusting hydraulic tappet for heat engines
Self adjusting hydraulic tappet for heat engines
Self adjusting valve catch with valve seating control
Self cleaning by-pass filtration arrangement
Self compensating flow control lubrication system
Self contained hydraulic bucket lifter
Self diagnosing ignition control
Self generating ignition system
Self injection system
Self injection system