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primary spring

hontri

Active member
Lifetime Membership
Premium Member
Nov 26, 2007
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Wanting to try a 165-310 primary spring. Polaris shows 2 at that rate. almond/red(.207 wire and 4.29" long) Almond/black(.200 wire and 4.06" long). What is the difference in the two and how does it affect clutching? Thanks
 
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