M+W pistons

Tim Gatzemeyer · Jun 15, 2010

Guys, did M+W make pistons for WD-9? I would like to get a set if they did. Can anyone help me out?

nosih · Jun 15, 2010

Yes they did. they made 4.5" bore and they also made 4.625" bore sets for the WD9. The 4.5" bore have drop in sleeves, and provided no HP increase when compared to other aftermarket or IH 4.5" bore conversion sets. The 4.625" bore sets required the block to be bored out to accept a special sleeve, and boosted the HP. I have had NOS sets of the M&W 4.625" bore sleeve assemblies in the past, but none at the moment.

mib61 · Jun 15, 2010

I have a WD-9 that has M&W sleeves and pistons...I don"t know if they make more power or not...I have my doubts, but it seems to be a selling point.
Here is my WD-9 WITH M&W kit in it. http://www.youtube.com/watch?v=M1RSnUCjjfc

M+W pistons

Tim Gatzemeyer

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nosih

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mib61

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