What is the benefit of a 1.5-way limited-slip differential?

A 1.5-way LSD provides locking force during acceleration and a partial lock during deceleration. This helps improve traction when accelerating out of corners and also stabilizes the vehicle during corner entry and exit, leading to more predictable handling.

What is the gear ratio of this differential?

This OS Giken Super Lock LSD features a 3.55 gear ratio. This ratio is often chosen to offer a good compromise between improved acceleration performance and maintaining reasonable engine RPMs during highway cruising.

What is typically included with an OS Giken differential?

While specific contents can vary, OS Giken differentials are generally sold as the differential unit itself. Installation hardware, such as bearings or seals, may need to be purchased separately depending on the vehicle and the technician's preference.

Specifications

Brand: OS Giken
Part #: FD081-HA

OS Giken 12-14 Ford Focus ST Spec-S 3/55 - 224 - 7 - 6S Super Lock LSD

Name: OS Giken 12-14 Ford Focus ST Spec-S 3/55 - 224 - 7 - 6S Super Lock LSD
Brand: OS Giken
SKU: os-giken-os-giken-12-14-ford-focus-st-spec-s-3-55-224-7-6s-super-lock-lsd-t14-4386993
Price: 1774.08 USD
Availability: BackOrder

$1774.08

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Fits 2013-2017 Ford Focus ST. OS Giken Super Lock LSD for improved traction and handling.

Key Features

Fits 2013-2017 Ford Focus ST.
OS Giken Super Lock LSD with a 1.5-way activation system.
Designed to improve traction and handling during acceleration and cornering.
Features a 3.55 gear ratio for a balance of acceleration and cruising.
Internal components are precision-machined from strong materials for durability.
Helps prevent wheel spin and puts more power to the pavement.

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About this part

Product Details

If you're looking to get the most out of your 2013-2017 Ford Focus ST on the track or during spirited driving, a high-performance limited-slip differential (LSD) like this OS Giken Spec-S unit can make a significant difference. This differential is designed to improve traction by distributing power more evenly between the drive wheels, especially during cornering or when accelerating out of turns. It helps prevent one wheel from spinning while the other has grip, putting more of your engine's power to the pavement.

The OS Giken Super Lock LSD is known for its advanced design, featuring a unique 1.5-way activation system. This means it applies locking force not only during acceleration but also provides a degree of locking force during deceleration, which helps stabilize the car during corner entry and exit. The internal components are precision-machined from strong materials for durability and consistent performance under demanding conditions. This particular unit is set up with a 3.55 gear ratio, which can offer a good balance between acceleration and highway cruising for the Focus ST, and it's built to handle the power output of the ST's engine.

Installing a differential like this is a significant upgrade that requires specialized knowledge and tools. It's a job typically done by experienced technicians. When properly installed, you can expect improved acceleration grip and more predictable handling characteristics, allowing you to push your Focus ST harder with greater confidence. This differential is a well-built component aimed at drivers who want to maximize their vehicle's performance potential.