Engines and Components› Camshafts and Valvetrain

Brian Crower

Brian Crower Polaris Pro-R Beehive Spring/Steel Retainer/Seal Kit w/o Seat

$590.00

SKU: B00I BC0900SX-2

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 BC0900SX-2 is a beehive spring, 4140 chromoly steel retainer, and OEM style seat/seal combo kit for the Polaris Pro-R 2.0L engine. It is designed for high-RPM performance and features a beehive spring design for reduced mass and improved valve control. The kit includes strong and durable steel retainers and valve seals to prevent oil passage. Spring pressure for the included BC1901 springs is: Seat: 1.265" @ 83# / Open: 0.850" @ 197# / CB: 0.760".

Fitment

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Specifications

BrandBrian Crower
Part NumberB00I BC0900SX-2

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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