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OS Giken Part # OSGOS011-KA1

OS Giken 80W-250 Gear Oil - 1L - OS011-KA1

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4.8 on Google963 store reviews
Canadian since 2005Mississauga, Ontario

Same Performance. Enhanced Flow. Iconic Blue.

What’s New?

  • OS-250R V2 nowsupersedes the original OS250-R formula. As we transition our inventory, OS-250R V2 becomes the new global standard for all OS Giken mechanical LSDs.

  • Signature Blue Tint: Now featuring a distinct blue color to differentiate it from the original gold formula.

  • OS-250R V2 is compatible and can be mixed with any remaining original OS250-R.

  • Pull-tab type cap to ensure better seal and product shelf-life.

Despite its ultra-high250-grade viscosity, the fluid maintains an80W low-temperature rating. This ensures immediate protection for your friction discs from the very first turn. Built on a premiumPAO and Polyol Ester base, our proprietaryS/P/B (Sulfur-Phosphorus-Boron) additive package surpasses API GL-5 standards, creating a reinforced oil film that laughs at extreme pressure.

OS-250R V2 is optimized specifically to refine LSD lock-up timing, delivering theprogressive and predictable engagement that defines the OS Giken experience. Advanced friction modifiers eliminate chatter and vibration, allowing you to bridge the gap between driver and machine.

SAE Rated at 80w-250, it is the top choice by race teams for protection and durability, yet maintains streetlike-driveability. (Not recommended for transaxle applications.)

Size: 1 Liter Can

Material Safety Data Sheet:

  • OS-250R V2 - LSD Gear Oil


Free Canadian shipping on qualifying orders $399+, with no duties or brokerage. Special order and made-to-order items can't be cancelled or refunded once ordered. Oversized items may carry a handling fee depending on your location; pickup in Mississauga has no fee.

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