Knock Sensors

I recently purchased several new Chevy Knock Sensors they do no have their origanl packaging. They do however have part numbers on each. What I need to know is if there is a way to distinguish between which knock sensor is for a 305ci or a 350ci. Here are some of the numbers on each- (GG-66203) (66206 01341) (10456288 4170-2F)
Is there anyway to test them? Is there anyway to know which is for a 305ci or 350ci. Thanks for the help