Hardened wall cylinder structure
Head gasket
Head gasket assembly for closely adjacent cylinder bores and...
Head gasket with improved armoring and method of making same
Heat control for manifolds
Heat insulated piston assembly and method of assembling
Heat-insulating engine structure
Helically-shaped intake port of an internal- combustion engine
Helium pressure seal for a cryogenic refrigerator
High output engine
High output engine
High output engine
High output engines
High output oil cooled floating piston
High performance head assembly for an internal combustion...
High-pressure die-cast cylinder crankcase
Housing for a cylinder-operated combustion-powered machine
Housing for an internal combustion engine