Clutch Masters 12-13 Scion FR-S / 12-13 Subaru BRZ 2.0L 6sp FX350 Clutch Kit
Clutch Masters 15738-HDFF-X is the FX350 single-disc kit for the Scion FR-S and Subaru BRZ with the 2.0L engine and 6-speed manual. Owners usually come looking for it when the factory clutch starts slipping in third or fourth after a tune, headers or a turbo or supercharger kit, or when the stock pressure plate has simply worn out on a car that sees autocross and track days. It is a street-first upgrade with more clamp than stock, not a race-only setup.
The FX350 pairs the Clutch Masters Power Plus I high-leverage, heavy-duty pressure plate with a segmented disc faced in Fiber-Tough friction material, steel backed and riding on a marcel spring wafer. The company rates it at a 110 percent increase in holding capacity and aims it at a highly tuned naturally aspirated car or a medium-boost turbo or supercharger build. Expect a slightly more aggressive bite than an organic clutch and some chatter; the marcel wafer and sprung hub keep it drivable in traffic.
One detail matters more than anything else on this car: Clutch Masters builds its FR-S/BRZ/86 kits as conversion kits. The disc is larger and the clutch cover is changed for a stronger one, so the kit is designed to run only on the Clutch Masters lightweight steel flywheel, FW-738-SF. The factory flywheel will not work with it. Budget for that flywheel if you do not already have one.
The kit includes the pressure plate, the Fiber-Tough disc, a release bearing, a pilot bearing where the application uses one, an alignment tool and an instruction card. Shipping weight is 17 lb.
Rule out the hydraulics first: bleed the clutch line and make sure the pedal returns fully, since a slave that stays partly applied mimics a worn disc. Look for oil at the bellhousing seam from a rear main or input seal. Then do a low-rpm, full-throttle pull in fourth or fifth and watch whether the tach rises faster than road speed. Our slipping diagnosis guide walks through it, and flare versus slip helps separate clutch slip from other driveline faults.
This listing is titled for 2012-2013 FR-S and BRZ 2.0L 6-speed cars. The Clutch Masters application list for 15738-HDFF-X is wider:
Automatic cars are not covered. Because the kit requires the matching FW-738-SF flywheel, confirm which flywheel is in the car now. Send us your year and VIN before ordering and we will check the application and the flywheel pairing for you.
Want more holding power for a higher-boost build? The FX400 8-puck kit 15738-HDCL-X uses the same flywheel. Planning the whole job? See our repair cost comparison.
| Brand | Clutch Masters |
| Part number | 15738-HDFF-X |
| Fits | Clutch Masters 12-13 Scion FR-S / 12-13 Subaru BRZ 2.0L 6sp FX350 Clutch Kit |
| Vehicle fitment | Scion Fr-S / 12-13 Subaru (2012-2013) |
| Type | Clutch Kits - Single |
| Condition | New |
| Ships | Same business day (in stock), from the USA |
| Warranty | 1-year |
No. Clutch Masters says its FR-S/BRZ/86 kits are conversion kits with a larger disc and different cover, designed to run only on its FW-738-SF lightweight steel flywheel.
Clutch Masters lists 15738-HDFF-X for the 2022-2025 BRZ and GR86 2.4L 6-speed as well as the 2.0L cars. Send us your year and VIN and we will confirm before you order.
It is built for the serious street car. It has a marcel wafer and sprung hub, but engagement is firmer than stock and Clutch Masters notes it will produce some chatter.
Pressure plate, Fiber-Tough segmented disc, release bearing, pilot bearing where applicable, alignment tool, instruction card and decals. The flywheel is sold separately.
Follow the Clutch Masters break-in instructions: easy, low-load driving with gentle engagement before any launches, track use or full-boost pulls.
