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 Connects pistons with crank shaft 3 Ignites the gasoline 4 The carburetor sits on top of this. 5 Raises and lowers the valves 6 Surrounds engine block 7 Covers the pistons 8 Pistons reciprocate in these 9 The intake manifold is bolted to this. 10 Rotary power output 11 Lets gas vapor in and exhaust out Spark plugs Intake manifild Engine block Cylinders Valves Cylinder heads Water jacket carburetor or fuel injector Piston rods Crank shaft Cam shaft