Drivetrain› Differentials and Rear-End Components

OS Giken

OS Giken Mazda RX8/RX7 FD3S/RX7 13BT (MT Only) Super Lock LSD

$1,450.00

SKU: O002 MZ101-HA

In Stock
In Stock
Ships by Jun 11
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The OS Super Lock LSD, developed over four years, features a revolutionary design with up to 28 friction plates and a patented lock timing system for progressive, smooth, and quiet 100% lock. Key features include a miniaturized pressure ring, superior spline-through-side-gear design for increased friction plates, and a relief cut-out in the LSD case for durability.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandOS Giken
Part NumberO002 MZ101-HA

Videos

OS Giken SuperLock Test Drive.. But Then My Engine Fails

OS Giken SuperLock Test Drive.. But Then My Engine Fails
$1500 for a LSD?!?! Why the OS Giken Super Lock Limited Slip Differential is worth it!

$1500 for a LSD?!?! Why the OS Giken Super Lock Limited Slip Differential is worth it!
How the OS Giken Differential Works and How to Tune it!

How the OS Giken Differential Works and How to Tune it!

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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