Relier Pairs Parts of an EngineVersion en ligne To complete this worksheet, match the engine parts with what they do. par Alison Jack 1 Connects pistons with crank shaft 2 Covers the pistons 3 The carburetor sits on top of this. 4 Rotary power output 5 Ignites the gasoline 6 Raises and lowers the valves 7 Pistons reciprocate in these 8 Lets gas vapor in and exhaust out 9 These vaporize gasoline 10 The intake manifold is bolted to this. 11 Surrounds engine block Crank shaft Piston rods carburetor or fuel injector Engine block Cylinder heads Spark plugs Cam shaft Intake manifild Valves Water jacket Cylinders