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