Exterior Components Body Panels and Components

Brian Crower

Brian Crower Intake / Exhaust Valve Stem Seals - Fits Oem Valve Guides - Polaris XP1000 / XPTurbo

$54.12

SKU: B00I BC3991

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Brian Crower BC3991 is a set of valve stem seals designed for OEM Polaris top hat style seats. These integrated seat/seals are for OEM valve guides and are compatible with stock springs/retainers or Brian Crower aftermarket spring kits up to .430" cam lift. The seals are made from high-performance Viton material for increased durability and reduced wear.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandBrian Crower
Part NumberB00I BC3991

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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