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shockproof

  1. Polaris Slingshot Discussions
    2016 SL LE with 9k miles. Ordered Red Line 75w140, yellow Qt. Keep reading about Red Line Shockproof. Is this different gear oil? Is there a 75w140 “Shockproof”? Not sure why I’m confused. Is there only one Shockproof weight and is that the right/best gear lube for the Slingshot? Looking for...
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