Clutch Masters 17-18 Honda Civic Type-R 6-Speed 725 Series Street Clutch Kit
If your FK8 Civic Type R picked up a tune, a bigger turbo or an ethanol blend and the clutch now flares at the top of third or fourth, this is the kit built for that car. Clutch Masters 08520-TD7S-S is the 725 Series Street twin disc clutch with a steel flywheel for the 2017-2021 Honda Civic Type R 2.0L turbo. It is the street-friendly version of the FX725 twin, meant for owners who want much more holding power than a single disc without going to a full race pack.
The Type R sends all of the K20C1's torque through one clutch on its way to the six-speed and limited-slip differential. Factory output is 295 lb-ft in North America, and a modest tune moves well past what the stock disc was sized for. The 725 Series splits the load across two 7.25 inch (184 mm) rigid discs with a floater plate between them, so you get four friction faces in a small, low-inertia package.
The TD7S stage pairs one ceramic disc with one Fiber Tuff disc. That mix is the difference between this kit and the TD7R race version, which runs two ceramic discs. The Fiber Tuff face softens engagement, which makes stop-and-go driving and parking lots more manageable. The cover is machined from billet aluminum and hard anodized; Clutch Masters says it flexes about .003 in where a cast or stamped cover can flex up to .030 in, so pedal travel goes into releasing the clutch rather than bending the cover. Their QR pressure plate uses three spring-loaded bolts to release the pack evenly and cut internal noise and chatter by up to 50 percent. A 1045 billet steel flywheel, black oxide coated, ships in the box, and the kit runs with that flywheel only.
Log a third or fourth gear pull and watch engine speed against vehicle speed. A sharp rpm jump right as boost arrives is classic clutch slip. Before you spend money, bleed the clutch hydraulics, confirm the slave travels fully, and look at the bell housing for oil from a leaking rear main or axle seal. Our slipping diagnosis guide walks through separating slip from other faults, and the shift flare vs slip guide helps you read the log. For the trade-offs of going to two discs, see twin disc vs single disc.
Our listing title says 17-18, but Clutch Masters lists 08520-TD7S-S for the full FK8 run: 2017-2021 Honda Civic 2.0L Turbo Type R. It is not listed for the newer FL5 Type R, the Civic Si, or the overseas FK2. If the car has a swapped transmission or an earlier aftermarket flywheel, send us the year and VIN and we will check it before it ships. Want a twin that holds more and drives harder? The 725 PRO twin 08520PTD7RS is the step up. A daily-driven car on a light tune may be happier with the FX250 single disc or the ACT HD street sprung kit. Browse every option in rebuild kits.
| Brand | Clutch Masters |
| Part number | 08520-TD7S-S |
| Fits | Clutch Masters 17-18 Honda Civic Type-R 6-Speed 725 Series Street Clutch Kit |
| Vehicle fitment | Honda Civic Type-R 6-Speed 725 (2017-2018) |
| Type | Clutch Kits - Multi |
| Condition | New |
| Ships | Same business day (in stock), from the USA |
| Warranty | 1-year |
Yes. Clutch Masters lists it for every 2017-2021 FK8 Civic Type R even though our title shows 17-18. It does not fit the 2023 and newer FL5.
TD7S, this kit, uses one ceramic disc and one Fiber Tuff disc for a smoother street engagement. TD7R uses two ceramic discs and is aimed at race and drag use.
No. The twin disc pack is designed around the billet steel flywheel that comes in the kit, so the Honda flywheel comes off.
Expect some rattle at idle with the pedal out, which is normal for a multi-disc clutch. The QR pressure plate and the Fiber Tuff disc keep it calmer than the race version.
Honda manual transmission fluid for the six-speed and fresh brake fluid, of the type printed on the clutch reservoir cap, to bleed the hydraulics.
Clutch Masters calls for at least 500 miles of normal stop-and-go driving with no full-throttle shifting or compression braking before you push it.
