Renovations 6500 Double Hung Coil Part

A quick learner from Wheaton, IL says:
Hello--I am trying to replace this double hung coil. The springs have a 407 and 408 stamped on them. Please tell me which parts you sell that most closely align. Thank you.
coil balance
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Paul from SWISCO responded:
Greetings! Thank you for choosing SWISCO.com. For the coil springs, I recommend you order our S170-408 and S171-407. Let us know how you make out.
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