I found a 440 magnum powerhead at a yardsale for 35 bucks.The guy that owned it said he used it hard for 3 years and it developed a rattle so he shut it off and never took time to check it out.He threw it and an 025 in his wife's sale.There was no spark plug in it so couldn't check the compression or anything.I bought the 025 but passed on the 440 'cause I needed to get more info,think it's worth 35 bucks?Thought I might run by there to see if he still has it.