Kibblewhite 6mm Valve Seals (4-Pack) | Polaris Predator 500, Yamaha XT660Z
Kibblewhite 6mm Valve Seals (4-Pack) | Polaris Predator 500, Yamaha XT660Z
Kibblewhite 6mm Valve Seals (4-Pack) | Polaris Predator 500, Yamaha XT660Z
Kibblewhite 6mm Valve Seals (4-Pack) | Polaris Predator 500, Yamaha XT660Z

Kibblewhite 6mm Valve Seals (4-Pack) | Polaris Predator 500, Yamaha XT660Z

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Kibblewhite 6mm Valve Seals – 4 Pack | Viton® | Predator 500, XT660Z, More

Upgrade your engine’s reliability with Kibblewhite’s 6mm Viton® Valve Seals. Designed to meet or exceed OEM performance, these American-made seals resist heat, oil, and wear far better than conventional materials—perfect for performance builds and OEM refreshes alike.

These are required when using Kibblewhite valve springs due to tighter clearances, and they work equally well with stock setups. A must-have for long-term durability and oil control in high-revving motors.

✅ What’s Included:

  • (4) Kibblewhite Valve Seals – 6mm Stem Diameter

  • Solid Viton® construction

  • OEM fit and function (replaces Yamaha 5H0121190000)

🔧 Fitment:

  • 2003–2007 Polaris Predator 500

  • 2003–2007 Polaris Outlaw 500

  • 2001–2008 Yamaha XT660Z Tenere

🛡️ Warranty Info:

Manufacturer warranty applies. For any issues, items must be inspected prior to claim. Warranty does not cover damage due to improper installation, misuse, or engine failure unrelated to seal quality.

We ship next day most of the time. Modquad parts are shipped Monday-Thursday. Engine Kits are 3-5 business days.

We don't do backorder! If your items has already sold you will be notified immediately and you money refunded on the spot.

Sold items are removed daily.

If you see it on this website, it is 100% in stock unless it just sold before you clicked buy.

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