ACT 1991 Toyota MR2 HD/Race Sprung 6 Pad Clutch Kit
ACT TM1-HDG6 is the clutch a lot of SW20 MR2 Turbo owners land on once the 3S-GTE is making real boost. It holds far more than a street disc, yet the spring-centered hub keeps the car civil enough to drive to the track or on weekends. Our listing is titled for the 1991 MR2, and ACT catalogs the kit for the 1991-1995 MR2 Turbo. If your MR2 slips in third under boost, smells hot after a pull, or has already eaten an organic performance disc, this is the kit worth a close look.
The kit pairs ACT's T023 Heavy Duty pressure plate with the 6236207 race disc. The plate uses ACT's diaphragm design, heat treated in four stages, to raise clamp load and limit deflection. The 236 mm (9.3 in) disc has six ceramic pads, which tolerate heat far better than organic material, mounted on a spring-centered hub. ACT uses wraparound spring windows and thicker retainer stampings on this hub so the springs survive harsh use. ACT rates TM1-HDG6 at 500 ft-lb at the crank, 69 percent over the factory clutch.
The springs are what separate this kit from the rigid TM1-HDR6. They soak up torsional vibration from the engine and shock from launches, which is kinder to the transaxle and quieter at idle. ACT describes the feel as light to moderate pedal effort, aggressive engagement and OE to mild gear rattle, and recommends it for high horsepower street or race use. Six pads still grab harder than a full-face disc, so expect a more on-off engagement than stock.
Verify the slip first. In fourth gear at low rpm, go to full throttle and watch for the tach climbing without the car accelerating to match. Then rule out what a new clutch will not fix: air in the hydraulics, a slave cylinder that does not fully release, or engine oil on the disc from a leaking rear main seal. Our slipping diagnosis guide covers the test, the flare versus slip guide separates the two feelings, and the clutch chatter page lists causes of shudder on takeoff.
For a stock-turbo street car, ACT's full-face TM1-HDSS gives the smoothest engagement. TM1-HDG6 suits the car with a bigger turbo that still sees the street. The rigid TM1-HDR6 carries the same 500 ft-lb rating but drops the springs, so it is lighter and harsher and ACT limits it to race use.
ACT lists TM1-HDG6 for the 1991-1995 Toyota MR2 Turbo with the 2.0L 3S-GTE. It does not fit the naturally aspirated MR2, which uses a different engine and clutch. The disc takes a 1-1/8 inch input spline. Swapped engines and transaxles are common on these cars, so match the old clutch part number or send us the year and VIN and we will confirm fitment before it ships. Other MR2 clutches are in our clutch and rebuild kit collection.
The kit includes the T023 pressure plate, 6236207 sprung race disc, RB446 release bearing and AT72 alignment tool. A flywheel is not included, so resurface the stock one or step to the ACT 600390 Prolite, a 9.5 lb chromoly flywheel ACT lists for the 1991-1995 MR2 Turbo. Check the pilot bearing while the transaxle is out, center the disc with the tool, tighten the pressure plate bolts in a star pattern and bleed the hydraulics fully. ACT says race discs need only a few hard slips to lap in. Refill the transaxle with the gear oil grade the factory manual calls for.
| Brand | ACT |
| Part number | TM1-HDG6 |
| Fits | ACT 1991 Toyota MR2 HD/Race Sprung 6 Pad Clutch Kit |
| Vehicle fitment | Toyota Mr2 Hd/Race Sprung 6 (1991) |
| Type | Clutch Kits - Single |
| Condition | New |
| Ships | Same business day (in stock), from the USA |
| Warranty | 1-year |
No. ACT lists TM1-HDG6 only for the 1991-1995 MR2 Turbo with the 3S-GTE. The naturally aspirated MR2 uses a different engine and clutch, so it needs a different kit.
ACT rates it for high horsepower street or race use. The spring hub keeps gear rattle at OE to mild levels, but six ceramic pads engage more abruptly than a full-face disc, so plan on a short learning curve in traffic.
Both use the T023 Heavy Duty plate and carry the same 500 ft-lb rating. TM1-HDG6 has damper springs in the disc hub, which absorb shock and reduce noise. TM1-HDR6 is a rigid hub that ACT recommends for race use only.
A freshly resurfaced stock flywheel works. If you want a lighter one, ACT lists the 600390 XACT Prolite chromoly flywheel for the 1991-1995 MR2 Turbo.
The T023 Heavy Duty pressure plate, 6236207 6-pad sprung race disc, RB446 release bearing and AT72 alignment tool. A flywheel and pilot bearing are not included.
