double-spark ignition
41Overhead camshaft — A cylinder head sliced in Fifths shows two overhead camshafts one above each of the two valves. Overhead cam (OHC) valvetrain configurations place the engine camshaft within the cylinder heads, above the combustion chambers, and drive the valves… …
42oxidation–reduction reaction — ▪ chemical reaction Introduction also called redox reaction any chemical reaction in which the oxidation number of a participating chemical species changes. The term covers a large and diverse body of processes. Many oxidation– reduction… …
43Piston — For other uses, see Piston (disambiguation). Components of a typical, four stroke cycle, DOHC piston engine. (E) Exhaust camshaft, (I) Intake camshaft, (S) Spark plug, (V) Valves, (P) Piston, (R) Connecting rod, (C) Crankshaft, (W) Water jacket… …
44Cylinder head — A 302/5.0L Ford cylinder head In an internal combustion engine, the cylinder head (often informally abbreviated to just head) sits above the cylinders on top of the cylinder block. It closes in the top of the cylinder, forming the combustion… …
45Liste de jeux Nintendo DS —   Liste des listes de jeux vidéo Voici la liste des jeux vidéo sortis sur Nintendo DS. Sommaire  …
46Lighter — For other uses, see Lighter (disambiguation). A generic, disposable lighter …
47List of pipeline accidents — The following is a list of pipeline accidents: This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries. Contents 1 Bel …
48Harley-Davidson — Type Public company Traded as NYSE: HOG …
49Mercedes-Benz M104 engine — M104 Manufacturer Mercedes Benz AG Production 1990 1999 Predecessor M103 Successor M112 Configuration Straight 6 Displacement 2.8 litres (171&# …
50Alfa Romeo Twin Cam engine — Infobox Automobile engine name=Alfa Romeo Twin Cam engine manufacturer=Alfa Romeo production=1954 ndash;1994 type=DOHC 2 valve I4 displacement =1.3 L (1290 cc/78 in³) 1.6 L (1570 cc/95 in³) 1.8 L (1779 cc/108 in³) 2.0 L (1962 cc/119 in³)… …
