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