Does the R3C Clutch for JZA80 need anything else to fit?

Yes. The R3C Clutch for JZA80 is a push-type clutch and the JZA80 six-speed uses a pull-type release from the factory, so it is installed with the OS Giken Movement Alteration Kit for JZA80 (TY031-ALT). Turn 14 lists a kit as required; our team can confirm the pairing before you order.

How much power will it hold?

OS Giken USA rates the R3C at about 1,100 lb-ft of torque, and OS Giken Japan places the R series in its 700 PS class, the highest in its range. It is built for heavily modified 2JZ-GTE engines in cars used for competition.

It is the OS Giken model code. R is the cover series, 3 is the number of discs and C is the 215mm disc size. There is no D suffix; the R series uses the OS Giken floating dampened center hub instead, built to withstand transmission shock.

Should I choose the R3C or the R4C?

The R4C adds a fourth disc and carries a higher rating from OS Giken USA, about 1,400 lb-ft against 1,100. The R3C has fewer parts in the stack. Most builds choose by power level and how the car is used, and our team can help match it.

Is it usable on the street?

It is a race clutch. Engagement is firm and abrupt, and solid-hub discs pass more noise and driveline shock than a street clutch. It can be driven on the road, but most owners fit it to cars used mainly at events or the track.

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Description

OS Giken R3C Clutch for JZA80 Toyota Supra 2JZ-GTE, Triple Plate Race Clutch

OS Giken’s R3C Clutch for JZA80 Supra builds is a triple plate clutch from the R series, OS Giken’s highest capacity line, made for a 2JZ-GTE that has been built well beyond what the TS and TR series are meant to handle. Three 215mm discs sit behind the R series cover, and OS Giken’s floating center hub design is built to take the transmission shock and abuse of a high-powered race car. OS Giken USA rates the R3C at about 1,100 lb-ft. It suits drag, drift and roll-racing Supras where a launch or a clutch kick has to be taken again and again without slip.

Where It Sits in the Range

OS Giken Japan places the R series in its 700 PS class, the top of its clutch lineup. The R3C is the three-disc option; the R4C for JZA80 adds a fourth disc and a higher rating. For a 26-spline gearbox input, the 26-spline R3C for JZA80 is listed separately.

Features

Three 215mm discs for high clamping capacity
R series cover with floating center hub construction
Rated by OS Giken USA at about 1,100 lb-ft
Built to withstand transmission shock in high-power cars
Rebuildable with OS Giken overhaul kits A and B

Applications

Toyota Supra: JZA80 | 1993-1998 | 3.0L 2JZ-GTE twin turbo

Notes

This R3C Clutch for JZA80 installation requires the OS Giken Movement Alteration Kit for JZA80, sold separately
OS Giken rebuild parts for this clutch are Overhaul Kit A (OS021-CH50A) and Overhaul Kit B (OS021-CH50B), shared across its R3C clutches
Installation labor is not included

Frequently Asked Questions

Does the R3C Clutch for JZA80 need anything else to fit? Yes. The R3C Clutch for JZA80 is a push-type clutch and the JZA80 six-speed uses a pull-type release from the factory, so it is installed with the OS Giken Movement Alteration Kit for JZA80 (TY031-ALT). Turn 14 lists a kit as required; our team can confirm the pairing before you order.
How much power will it hold? OS Giken USA rates the R3C at about 1,100 lb-ft of torque, and OS Giken Japan places the R series in its 700 PS class, the highest in its range. It is built for heavily modified 2JZ-GTE engines in cars used for competition.
What does R3C mean? It is the OS Giken model code. R is the cover series, 3 is the number of discs and C is the 215mm disc size. There is no D suffix; the R series uses the OS Giken floating dampened center hub instead, built to withstand transmission shock.
Should I choose the R3C or the R4C? The R4C adds a fourth disc and carries a higher rating from OS Giken USA, about 1,400 lb-ft against 1,100. The R3C has fewer parts in the stack. Most builds choose by power level and how the car is used, and our team can help match it.
Is it usable on the street? It is a race clutch. Engagement is firm and abrupt, and solid-hub discs pass more noise and driveline shock than a street clutch. It can be driven on the road, but most owners fit it to cars used mainly at events or the track.

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.

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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 R3C Clutch for JZA80 Toyota Supra 2JZ-GTE, Triple Plate Race Clutch [TY031-CH5]

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OS Giken R3C Clutch for JZA80 Toyota Supra 2JZ-GTE, Triple Plate Race Clutch

Where It Sits in the Range

Features

Applications

Notes

Frequently Asked Questions

About OS Giken

Reviews