Heat control system for a two-cycle engine
Heat control valve
Heat distribution passage for manifold heater system
Heat exchanger system for charge forming apparatus
Heat responsive pneumatic ignition timing control device
Heated intake manifold for four stroke outboard motor
Heater for pre-heating fuel
Heating means for the intake system of a water-cooled combustion
Helmholtz resonator
High efficiency early fuel evaporation carburetion system
High energy adaptive ignition system
High pressure fuel injection system
High-rise intake manifold for performance engines and method for
Hot air vaporization system for an internal combustion engine
Housing system
Hybrid spark advance control apparatus for internal combustion e
Hydrogen fired ignition system for internal combustion engines