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Revolution Design Ultra P4-Size 1/8 Shock O-Ring (16)

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Revolution Design Ultra P4-Size 1/8 Shock O-Ring (16)
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This is a pack of sixteen Revolution Design Racing Products Ultra P4-Size 1/8 Shock O-Rings. These shock seals are made from a specially formulated compound that is less prone to "swelling" when exposed to silicone shock oil meaning a better seat of the seals within the damper cartridge over a longer period of time. The O-rings also have a lower break away point compared to standard "orange" seals for more sensitive damper action. The package includes sixteen o-rings, enough to equip 8 shocks, and they fit nearly all of today's 1/8th off-road shocks.

This product was added to our catalog on December 8, 2020

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Verified Owner
Monday, Aug 23 2021 (about 3 years ago)
Revolution Design Ultra P4-Size 1/8 Shock O-Ring (16)
I was in need of orings for my mugen mbx8 and stock were on back order. Installed these and was worried at first since the friction was so light and didn't think they would seal. So far so good after several rebuilds with good oring grease.
1 customer found this review helpful.
Greg Smith
Tuesday, Aug 10 2021 (about 3 years ago)
Revolution Design Ultra P4-Size 1/8 Shock O-Ring (16)
Well I don't know about that I used in my TKI2 and it fits perfectly. As well as I've been using them in my MP9's for a while now and they're great product! ???
1 customer found this review helpful.
Mark Brown
Sunday, Nov 26 2023 (about a year ago)
Revolution Design Ultra P4-Size 1/8 Shock O-Ring (16)
This might be a great product, however the list of compatible vehicles includes some with 3.5mm shock shafts (Mugen, Kyosho) and some with 4mm shafts (Tekno). The same O-ring can't possibly work in both. What does "P4-Size" mean?
Vince Oghobaase
Verified Owner
Thursday, May 6 2021 (about 3 years ago)
Revolution Design Ultra P4-Size 1/8 Shock O-Ring (16)
These do not fit Kyosho MP10 shocks, not thick to get correct seal. Must use kyosho brand orings in the shocks.
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