Rotating Car Engine Part That Works Valves

This page is the CodyCross answer for the clue below from Australia, Group 1019, Puzzle 4 (Quintus Servinton).

Question is: Rotating Car Engine Part That Works Valves

and the answer is: CAMSHAFT

Word Meaning:

CAMSHAFT — A shaft fitted with cams; especially one in a piston engine that activates the valves.

Definitions from Wiktionary.