Piston rings brand recommendations?

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Don Gale · #1 Post by **Don Gale** » Sat Feb 02, 2019 10:45 pm

It's time to hone & re-ring my 85.5 mm 1720 cc NPR big bore cyls. Any brands to use or avoid? Deves, Grant, ??

DonCichocki · #2 Post by **DonCichocki** » Sun Feb 03, 2019 9:40 am

Wouldn't your type of pistons dictate that? I have JE pistons so use JE rings.

Matthew Devereux · Sun Feb 03, 2019 11:02 am

My last set were Grant. They are fine so far.

Don Gale · #4 Post by **Don Gale** » Sun Feb 03, 2019 12:41 pm

DonCichocki wrote: ↑Sun Feb 03, 2019 9:40 am Wouldn't your type of pistons dictate that? I have JE pistons so use JE rings.

The last time I rebuilt it was 1975 with the Japanese "NPR" big bore set. I have long since forgotten what brand rings came with them. Would you know if JE uses the same rings? I haven't torn it down yet to verify the piston design. Just doing some preliminary research during my winter slumber and hope to hit it hard in the Spring.

Martin Benade · #5 Post by **Martin Benade** » Sun Feb 03, 2019 1:07 pm

And I was hoping to hear the answer too.

DonCichocki · #6 Post by **DonCichocki** » Mon Feb 04, 2019 9:21 am

Sorry, no clue.

Wes Bender · #7 Post by **Wes Bender** » Mon Feb 04, 2019 1:00 pm

Considering the difference in rings for the various piston sets, I'd wait until teardown to see which rings you need.

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Piston rings brand recommendations?

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