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