Stage 3 Clutch Kit (1MS) for Subaru WRX STI 2004-2021 2.5L DOHC (EJ257) Turbo AWD Includes ACT Monoloc
SKU: 77905713300

Stage 3 Clutch Kit (1MS) for Subaru WRX STI 2004-2021 2.5L DOHC (EJ257) Turbo AWD Includes ACT Monoloc

Sale price$298.78 Regular price$331.98
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Description

Stage 3 Clutch Kit (1MS) for Subaru WRX STI 2004-2021 2.5L DOHC (EJ257) Turbo AWD Includes ACT MonolocAction Clutch's Stage 3 (1MS) Clutch Kit is designed to withstand even the most challenging conditions. Featuring a heavy duty single diaphragm pressure plate, reinforced drive straps, and a Sprung MIBA Ceramic (available in a 4 or 6 puck) disc, this kit provides peak performance and extreme durability for low mild horsepower vehicles. Our Sprung MIBA Ceramic clutch kit provides quicker engagement and will introduce some clutch chatter, which will

Action Clutch's Stage 3 (1MS) Clutch Kit is designed to withstand even the most challenging conditions. Featuring a heavy-duty single diaphragm pressure plate, reinforced drive straps, and a Sprung MIBA Ceramic (available in a 4 or 6 puck) disc, this kit provides peak performance and extreme durability for low/mild horsepower vehicles. Our Sprung MIBA Ceramic clutch kit provides quicker engagement and will introduce some clutch chatter, which will minimize after proper break-in. For those looking to take their vehicles to the next level, the Stage 3 (1MS) Action Clutch Kit provides maximum control and power with little compromise on reliability.

At Action Clutch, safety is our top priority. We understand how catastrophic engine or transmission damage can be caused by springs popping out which is why we use our patented, fully enclosed spring retainers to keep your investment protected at all times. Every kit is quality checked by one of our experienced engineers (with over 60 years of collective experience) and signed off as safe before being released as a finished product. This gives you peace of mind knowing that your Action Clutch will perform consistently every time.

170% INCREASED HOLDING CAPACITY OVER FACTORY KIT*
HEAVY-DUTY STREET USE AND OCCASIONAL DRAG / ROAD / DRIFT RACING

Specifications

Product Type Stage 3 Clutch Kit (1MS)
Product Weight (lbs)
SFI 1.1
 
What’s Included
  • Sprung MIBA Ceramic 6 Puck Disc
  • Single Diaphragm HD Pressure Plate
  • Pilot Bearing / Bushing (when applicable)
  • Clutch Alignment Tool
  • Conventional Release Bearing

Break-in Requirements
500 street miles / Keep RPM’s under 4500, no more than half-throttle, no boost (if applicable).
Proper break-in is required in order to retain product warranty, ensure longevity and holding capacity.

Disclaimers
Ceramic based clutch discs intend to increase the holding capacity and durability of the clutch as opposed to an increased life expectancy. Using a ceramic based material for easy street driving may contribute to premature wear of the clutch kit due to the harsher engagement and because of the higher tendency to slip the clutch during street driving.

*Increase in holding capacity is rated in Crank Torque, not Wheel Torque




SFI Spec 1.1 Replacement Flywheels and Clutch Assemblies

California Residents: Prop 65 WARNING: This product MAY contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.p65warnings.ca.gov
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 77905713300

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Geoff Goode
Massapequa, US
★★★★★ 5
Best dog toy ever
So good I bought another. My dog is obsessed with this. The only downfall is after she has chewed it a bit l, it becomes sharp to open
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 26, 2025
D
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Diane
Carnegie, US
★★★★★ 5
Fun and durable toy
Lots of fun for this crazy guy! He pounces on it, chases it and has so much fun. The confusion on his face is so funny. He usually gets bored fast, however this ball keeps him quite entertained. The ball holds a charge for a few playtimes so that is also a plus!
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Reviewed in the United States on March 11, 2025
D
Verified Purchase
Donna M.
Louisville, US
★★★★★ 5
Great toy
Color: Blue
Great toy, too bad my Shih Tzu is afraid of it. I love the way the movement is subtle and random.
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Reviewed in the United States on May 21, 2026
A
Verified Purchase
Amazon Customer
Waukegan, US
★★★★★ 5
Best toy for dogs
Color: Blue
My dog plays with this for hours!
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Reviewed in the United States on May 14, 2026
C
Chelsea H.
Fort Morgan, US
★★★★★ 4
I wouldn’t recommend this for strong chewers.
Color: Orange, Color: Orange
Is it fun? Sure. Was it easy to charge and set up? Yep. That being said, this toy kind of fell flat for me. It really didn’t do any big movements once charged that I expected it to, so that was a bummer. I initially got it for my dog, but my cats were more interested in this than my dog was. The battery does seem to last a long time and the motor is pretty quiet. I WOULD NOT recommend this toy for strong chewers as the material for this is a foam rubber and I don’t think it’s durable enough for strong chewers. While the material makes this ball extremely lightweight for more movement, a strong chewer would have this disintegrated in five minutes flat. My Dog is a super strong chewer. I don’t think I would feel comfortable leaving him unattended with this because I know he would destroy it.
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Reviewed in the United States on May 5, 2026

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