IS F (2008-2014) Discussion topics related to the IS F model

USRS thrust washer

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Old 09-07-21, 08:27 PM
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predacon47
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Default USRS thrust washer

Hello again CL fam. Need your opinion if the USRS high strength thrust washer is needed. So, I purchased the USRS over a year ago. Since then, I’ve lost one of the high strength thrust washers while I shifted/transported parts from my storage locker to my home garage.

Do I need it or not? Can I run them without it? I figured the oem LCA didn’t have washers and correct me if I’m wrong, figs doesn’t come with big washers either.

Attached is a picture of the washer I’m missing (circled in black).




Thanks in advance!
Old 09-08-21, 07:16 AM
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Rickna
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IMO, the Figs bushings are conical shaped at the ends, this helps spread the force out under load. The RR bushing uses the washer to achieve a similar result. Why not hit up RR for another washer?
Old 09-08-21, 12:23 PM
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Jwconeil
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Originally Posted by Rickna
IMO, the Figs bushings are conical shaped at the ends, this helps spread the force out under load. The RR bushing uses the washer to achieve a similar result. Why not hit up RR for another washer?
^ This. Just hit them up or find/make a similar washer. I’m sure they can get you one.
Old 09-08-21, 03:59 PM
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predacon47
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I ordered a set from RR but they sent the wrong ones. I have the correct ones coming in the mail as we speak. I was just wondering if it was really needed. I guess the bottom line is, the wouldn’t have made it if it didn’t need it. Dumb question lol
Old 09-08-21, 04:15 PM
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Rickna
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Originally Posted by predacon47
I ordered a set from RR but they sent the wrong ones. I have the correct ones coming in the mail as we speak. I was just wondering if it was really needed. I guess the bottom line is, the wouldn’t have made it if it didn’t need it. Dumb question lol
I beg to differ. The only dumb question is the question not asked. It's part of how we learn.
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