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Ken N

03-15-2007 07:07 PM

head and cam upgrade

I have a 1999 28' Checkmate with a single 502CID 415hp NPI. What would be a good head and cam upgrade? I have a tubular exhaust and a large flame arrestor.

Steve Zuckerman

03-15-2007 09:42 PM

1 Attachment(s)

Kenneth,
Arizona Speed and Marine has a nice intake manifold, cam and ECU upgrade for your motor that they claim yields 500+ HP. I have seen this done, and it does work. Your heads can also be extrusion honed to match the intake.
www.azspeed.com
Regards,
Steve

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