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progressive spring numbers

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Old Jul 9, 2015 | 08:20 AM
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ballbreaker69
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Question progressive spring numbers

Looking at purchasing a used set of #440 series shocks but am not sure if they are standard or heavy duty springs. Only numbers available are #137090/130. Can anyone with progressive shocks tell me if this spring number is standard or HD. Tried phoning progressive but operator keeps telling me they are unable to connect my call. Any help and info would be greatly appreciated.
 
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