Bank security devices, 4 letters
Briefly, certain engine shafts, 4 letters
Engine builder s necessity, 4 letters
Engine timer actuators, 4 letters
Internet pic takers, 4 letters
Irregularly shaped disks, 4 letters
Lopsided engine parts, 4 letters
Mechanical cylinders, 4 letters
Oblong mechanical pieces, 4 letters
Overhead engine parts, 4 letters
PC video gear, for short, 4 letters
Rotating engine disks, 4 letters
Rotating engine parts, 4 letters
Rotating machine pieces, 4 letters
Rotators under the hood, 4 letters
Simple teeth, perhaps, 4 letters
Some rotating parts, 4 letters
Spy tools, for short, 4 letters
They may be overhead, 4 letters
They may be overhead, on a car, 4 letters
Video recorders, briefly, 4 letters
Video recorders, for short, 4 letters
Video shooters, for short, 4 letters
Web traffic watchers, 4 letters
Wheels inside a car, 4 letters
Automobile engine part, 8 letters
Engine component nicknamed bump stick, 8 letters
Engine valve regulator, 8 letters