Who is the Steel Super Single Clutch for GC8 Impreza made for?

The Steel Super Single Clutch for GC8 Impreza is made for an EJ20 running factory power or light tuning. OS Giken USA says the Super Single range was designed with class restrictions on engine modifications in mind, so it also suits cars built to a set of rules that keep the engine close to stock.

How much power will it hold?

OS Giken USA does not publish a torque figure for this Super Single. OS Giken Japan places the Super Single range in its 400 PS class. For an EJ20 making more than that, an OS Giken twin plate clutch is the better match, and our team can help choose one.

What is the difference between the steel and aluminum versions?

OS Giken sells the Super Single with a pressed-steel cover or an aluminum cover, and OS Giken USA gives both the same description for quicker response and factory power or light tuning. Our team can explain the differences in what comes in the box for your car before you order.

Is the Steel Super Single Clutch for GC8 Impreza easy to drive on the street?

Yes. A single plate clutch built for factory power or light tuning is the most street-friendly layout in the OS Giken range, and OS Giken USA positions the Super Single as a replacement for the original clutch and flywheel rather than a race part.

Can it be rebuilt when it wears?

Yes. OS Giken sells Overhaul Kit A (SB031-AA80A) and Overhaul Kit B (SB031-AA80B) for the Steel Super Single Clutch for GC8 Impreza. Our team can order either kit when the clutch needs service, so it can be refreshed rather than replaced.

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Description

OS Giken Steel Super Single Clutch for GC8 Impreza Subaru WRX STI EJ20

OS Giken’s Steel Super Single Clutch for GC8 Impreza models is a single plate clutch from OS Giken’s SP Super Single range, built with a pressed-steel cover. OS Giken USA describes the Super Single as a replacement for the original clutch and flywheel that gives quicker response and higher performance, designed with factory power and light engine tuning in mind. It suits an EJ20 that is close to stock, or a car built to class rules that limit engine modifications.

Single Plate, Racing Standards

The Steel Super Single Clutch for GC8 Impreza cars is made from the same materials and to the same manufacturing processes as OS Giken racing multi-plate clutches, according to OS Giken USA. OS Giken Japan lists a 225mm disc for this Super Single. Turn 14 describes it as a dampened single plate clutch.

Features

Single plate clutch from the OS Giken SP Super Single range
Pressed-steel Super Single cover
225mm disc as listed by OS Giken Japan
Designed for factory power and light engine tuning
Made from the same materials and processes as OS Giken racing multi-plate clutches

Applications

Subaru Impreza WRX / STI: GC8 | 1992-2000 | 2.0L EJ20 turbo

Notes

OS Giken Japan lists the pressed-steel Super Single for the GC8 Impreza with the release conversion parts and sleeve bearing included
OS Giken rebuild parts for this clutch are Overhaul Kit A (SB031-AA80A) and Overhaul Kit B (SB031-AA80B)
Installation labor is not included

Frequently Asked Questions

Who is the Steel Super Single Clutch for GC8 Impreza made for? The Steel Super Single Clutch for GC8 Impreza is made for an EJ20 running factory power or light tuning. OS Giken USA says the Super Single range was designed with class restrictions on engine modifications in mind, so it also suits cars built to a set of rules that keep the engine close to stock.
How much power will it hold? OS Giken USA does not publish a torque figure for this Super Single. OS Giken Japan places the Super Single range in its 400 PS class. For an EJ20 making more than that, an OS Giken twin plate clutch is the better match, and our team can help choose one.
What is the difference between the steel and aluminum versions? OS Giken sells the Super Single with a pressed-steel cover or an aluminum cover, and OS Giken USA gives both the same description for quicker response and factory power or light tuning. Our team can explain the differences in what comes in the box for your car before you order.
Is the Steel Super Single Clutch for GC8 Impreza easy to drive on the street? Yes. A single plate clutch built for factory power or light tuning is the most street-friendly layout in the OS Giken range, and OS Giken USA positions the Super Single as a replacement for the original clutch and flywheel rather than a race part.
Can it be rebuilt when it wears? Yes. OS Giken sells Overhaul Kit A (SB031-AA80A) and Overhaul Kit B (SB031-AA80B) for the Steel Super Single Clutch for GC8 Impreza. Our team can order either kit when the clutch needs service, so it can be refreshed rather than replaced.

About OS Giken

OS Giken was founded in Okayama, Japan in 1973 by Masaharu Okazaki. It built the TC16 and TC24-B1 DOHC cylinder heads for Nissan L-series engines, began making multi-plate racing clutches in 1982 and started supplying OEM limited-slip differentials in 1983. Development of the Super Lock LSD began in 1997, and of the OS-88 sequential gearbox for the Skyline GT-R in 1998.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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OS Giken Steel Super Single Clutch for GC8 Impreza Subaru WRX STI EJ20 [SB031-AA8]

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OS Giken Steel Super Single Clutch for GC8 Impreza Subaru WRX STI EJ20

Single Plate, Racing Standards

Features

Applications

Notes

Frequently Asked Questions

About OS Giken

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