camshafts for producing mechanical motion in internal combustion engines for land vehicles, water craft and aircraft; valvetrain components for internal combustion engines in land vehicles, water craft and aircraft, namely, [ valves, hydraulic and mechanical lifters, locks, valve springs, spring retainers, stem seals, guides, locks, lash caps, ] pushrods, [ cylinder heads, timing chains and gear sets, steel, aluminum, and cast iron rocker arms, studs, nuts, valvetrain stabilizers, pushrod guideplates, ] cams, [ cam followers, distributor gears, balance shafts, and vacuum canisters and hardware therefor; ] ignition systems for internal combustion engines in land vehicles, water craft, and aircraft, namely, ignition modules, ignition amplifiers, ignition coils, spark plug wires and points; points conversion kits comprised of brackets, optical triggers, and shutter wheels; [ machine tools for use in engine testing, maintenance, and repair, namely, valve seat machining tools and oil pump priming tools ]