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Cylinder Works 440 BB kit... still available? Any Good?

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Hiya...

l have been trying to dig up some info on a Cylinder Works 440 kit but so far not much luck. Even running "DRZ 440 kit" through Google has produced very little because l keep getting directed to 434 kits.

ls there such a thing as the 440? ls it a misprint? Has it been discontinued due to problems? l've heard that they come with a 94mm Namura piston which l have never heard of, either.

Are these kits as good as anything else out there?

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There is no 440 kit. People just round the 434 off....

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Cylinder Works and Namura are two different company's .

Cylinder Works seems to have paired up with Namura to make a kit, though. That's why l was asking about the quality of Namura. lf it had been a JE or Wiseco piston l wouldn't have asked because they are both well known and respected brands. l don't know anything about Namura.

Thanks to you guys above for letting me know! Much appreciated (:banana:)

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I am almost 100% certain that Eddie has given thumbs up for the Namura piston in some other thread.

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I am almost 100% certain that Eddie has given thumbs up for the Namura piston in some other thread.

ive only built one motor using the namura kit.

i have never heard from the customer again so i assume its alive and well.

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My cylinder works kit came with a CW cylinder, weisco piston, and cometic gaskets. It is also from ebay.

ditto.

i've never heard of the namura piston. i knew they made cylinders though.

these kits are selling pretty cheap on ebay these days.

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ive only built one motor using the namura kit.

i have never heard from the customer again so i assume its alive and well.

Eddie, I'm wondering what base gasket you used on that build and what compression you wound up with? Namura claims 12.3:1, (4play 434) but cannot decide (Todd Waters, sales manager) if thats with the DRZE or LTZ base gasket.

Does anyone have a thought on the compression of this kit?

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P1010009.jpg

Flywalker , the CW is a proven product and if installed properly and run in correctly , will give many years of fun . Most people call them a 440 but they really are 434 . As you can see in my pic , mine came with a vertex piston , some guys got weisco and some JE . I think it depends on parts availability at the time of order as to what you get , but all are a good quality . greg

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Eddie, I'm wondering what base gasket you used on that build and what compression you wound up with? Namura claims 12.3:1, (4play 434) but cannot decide (Todd Waters, sales manager) if thats with the DRZE or LTZ base gasket.

Does anyone have a thought on the compression of this kit?

its 12.3 to 1 with a sinlge layer gasket.

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There is no 440 kit. People just round the 434 off....

Yes there is. I have one. It has a 94.5mm piston.

Anyway... According to Eddie, they have head gasket issues. Mine is fine, but I don't have enough time on it to know.

Stick to the regular 94mm kits to be safe.

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I've also been looking at the BB kits on feebay. Curious what the take on cw versus JE kits. I have read that the je piston needs little work for a stroker crank, how does the vertex piston compare. I'm assuming the base gasket does not come with either kit.

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Base gasket comes with CW kit. Not sure about JE. Didn't want the Namura cylinder.

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