Is the LSD Kit for FK7 suited to a turbocharged engine?

Yes, that is what it was built for. Spoon developed the LSD Kit for FK7 around the strong low-rpm torque of the 1.5 liter turbo, revising the internal clutch plates for quick locking under that load. The aim is traction from the moment boost arrives, not only near the top of the rev range.

What are the specifications of the kit?

Spoon lists a 1.5-way mechanical differential with cam angles of 50 degrees on the drive side and 20 degrees on the coast side, an initial torque of 5.0 to 6.0 kgf-m and a listed weight of 8 kg. Side bearings are included, and the kit ships in a box measuring 24 x 24 x 21 cm.

Will it chatter in parking lots?

Less than older mechanical designs, according to Spoon. The revised clutch plate material and surface treatment were chosen to suppress chattering when the differential slips in tight turns. Some noise and wheel drag at full steering lock should still be expected, because any plate-type limited-slip unit works through friction.

Does it fit the FL1 hatchback?

Yes. Spoon registers the kit for the FL1 Civic hatchback with the six-speed manual as well as the FK7, and both use the 1.5 liter turbo engine. The kit is built for the manual gearbox, so a car with the CVT cannot use it.

Should it be fitted with the Spoon clutch?

It is a sensible pairing on a tuned car. Both jobs require the transmission to come out, and Spoon developed its FK7 clutch cover and disc for the higher torque a FlashPro tune brings. Doing both at once means one removal and a drivetrain prepared for the same output.

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Description

Spoon Sports LSD Kit for FK7 / FL1 Honda Civic

The Spoon Sports LSD Kit for FK7 and FL1 Civic hatchback is a newer Spoon differential, engineered around the way a small turbo engine delivers torque: early, from low rpm, and in quantity. That trait overwhelms an inside front tire in slow corners, so Spoon reworked the internal clutch plates, revising their material and surface treatment. By Spoon’s account the result is high initial torque and quick locking, with less of the chatter mechanical differentials make as they slip, which makes it easier to live with on the road than older designs. The 1.5-way unit uses cam angles of 50 degrees on the drive side and 20 degrees on the coast side, with initial torque of 5.0 to 6.0 kgf-m, and the side bearings come with it. For a six-speed hatchback that sees track days, or one carrying a tune and the Spoon clutch, it addresses the traction limit that appears first; an untuned car driven calmly will rarely reach it.

Features

Developed for low-rpm turbo torque
Revised clutch plate material and surface treatment
Quick locking response, per Spoon
Reduced chattering when the differential slips
Side bearings supplied

Specifications

Type: mechanical limited-slip differential
Locking: 1.5-way
Cam angles: 50 degrees drive side, 20 degrees coast side
Initial torque: 5.0 to 6.0 kgf-m
Listed weight: 8 kg
Box size: 24 x 24 x 21 cm

Applications

Honda Civic Hatchback: FK7 | 2017-2021 | 1.5L L15B turbo
Honda Civic Hatchback: FL1 | 2022-present | 1.5L L15B turbo

Notes

The LSD Kit for FK7 fits 6-speed manual cars only
Chatter is reduced but not eliminated; some drag and noise at full steering lock is normal for a mechanical unit
Installation requires removing and splitting the transmission and should be done by a specialist
Spoon registers JDM FK7 and FL1 hatchbacks; US FK7 and FL1 6-speed hatchbacks share the chassis

Frequently Asked Questions

Is the LSD Kit for FK7 suited to a turbocharged engine? Yes, that is what it was built for. Spoon developed the LSD Kit for FK7 around the strong low-rpm torque of the 1.5 liter turbo, revising the internal clutch plates for quick locking under that load. The aim is traction from the moment boost arrives, not only near the top of the rev range.
What are the specifications of the kit? Spoon lists a 1.5-way mechanical differential with cam angles of 50 degrees on the drive side and 20 degrees on the coast side, an initial torque of 5.0 to 6.0 kgf-m and a listed weight of 8 kg. Side bearings are included, and the kit ships in a box measuring 24 x 24 x 21 cm.
Will it chatter in parking lots? Less than older mechanical designs, according to Spoon. The revised clutch plate material and surface treatment were chosen to suppress chattering when the differential slips in tight turns. Some noise and wheel drag at full steering lock should still be expected, because any plate-type limited-slip unit works through friction.
Does it fit the FL1 hatchback? Yes. Spoon registers the kit for the FL1 Civic hatchback with the six-speed manual as well as the FK7, and both use the 1.5 liter turbo engine. The kit is built for the manual gearbox, so a car with the CVT cannot use it.
Should it be fitted with the Spoon clutch? It is a sensible pairing on a tuned car. Both jobs require the transmission to come out, and Spoon developed its FK7 clutch cover and disc for the higher torque a FlashPro tune brings. Doing both at once means one removal and a drivetrain prepared for the same output.

About Spoon Sports

Spoon Sports was founded in 1988 in Suginami, Tokyo, by Tatsuru Ichishima, a former Honda race car tester and driver, with backing from Honda and Mugen. The company has raced Hondas from its first season, when Ichishima’s own Civic became the first Civic to enter the Japan Touring Car Championship, and its Type One workshop, opened in 2001, services and tunes the cars its parts are developed on. Spoon builds engine, drivetrain, exhaust, chassis and aero parts for Honda models and proves them on circuits and in endurance racing, including the 25 Hours of Thunderhill.

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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Spoon Sports LSD Kit for FK7 / FL1 Honda Civic [41000-FK7-000]

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Spoon Sports LSD Kit for FK7 / FL1 Honda Civic

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Notes

Frequently Asked Questions

About Spoon Sports

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