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Old 10-01-2007, 11:02 PM   #2
Mike Hedger
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Join Date: Jul 2007
Location: Kemah TX
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Default Re: Valve Spring Selection

I have had good luck out of the Manley NexTec spring, they used to be reboxed PSI's but I am not sure if they still are. I have mine coated and they run about 300+ passes without any problems at 2.00" installed height 1.640 OD and 305# on the seat.
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Mike Hedger S/C 4646
MPH Racing and Fabrication
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