Kyosho W5312-03 Ultima RB7.5 Shock O-Ring Kit  [KY-W5312-03]

Kyosho W5312-03 - Shock O-Ring Set
Price:
CAD$10.57
Brand:
Kyosho
Model:
KY-W5312-03
GTIN:
4548565494972
Condition:
Brand New
Quantity Discount
Unit Price You Save
2 $9.28 each $2.58 or 12%
3+ $8.83 each $5.24 or 17%
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Durable Shock Seals for Ultima RB7.5

For hobbyists focused on consistent lap times, the Kyosho W5312-03 Shock O-Ring Set is an important service item. Made for the Ultima RB7.5, these O-rings help keep shock oil contained and damping predictable so your setup stays consistent during long race days or practice sessions.

Built for Repeated Use

The materials used in these O-rings resist wear and retain elasticity through repeated compression and exposure to shock oil. That durability reduces the chance of leaks and keeps suspension action smooth between rebuilds.

Exact Fit for Your Shock Assembly

These seals are produced to match the shock dimensions found on the Ultima RB7.5, making installation straightforward and helping you maintain original damping characteristics without guessing on sizes.
Remark :
Due to limited stock availability, please notice that some Kyosho items may have to order from the factory and the ready time is around 4-6 weeks. Customer purchases the item is assumed to accept the waiting time which allows us to order directly from the manufacturer if the item is out of our warehouse.

Will Kyosho W5312-03 fit older Ultima shock bodies?

These O-rings are sized for Ultima RB7.5 shocks. If your older shock body follows the same seal dimensions they may fit, but check the shaft and cap diameters before fitting.

How frequently should I swap the O-rings?

Replace O-rings during routine shock servicing or if you notice oil weeping. For regular club use inspect them every few events and replace when signs of hardening or cuts appear.

Any tips for fitting the seals without damage?

Use a small amount of shock oil to lubricate the O-ring before sliding it onto the shaft and avoid twisting during installation. Use the correct seal driver or a soft tool to seat them evenly.

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