SKU: 41445016497

Stage 4 Clutch Kit (1MD) for Subaru WRX 2015-2018 2.0L DOHC (FA20DIT) Turbo AWD

Sale price$224.98 Regular price$249.98
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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31

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Description

Stage 4 Clutch Kit (1MD) for Subaru WRX 2015-2018 2.0L DOHC (FA20DIT) Turbo AWDAction Clutch's Stage 4 (1MD) Clutch Kit is designed to withstand even the most challenging conditions. Featuring a heavy duty single diaphragm pressure plate, reinforced drive straps, and an Unsprung MIBA Ceramic (available in a 4 or 6 puck) disc, this kit provides peak performance and extreme durability for low mild horsepower vehicles. Our Unsprung MIBA Ceramic clutch kit provides quicker engagement and will introduce some clutch chatter, which

Action Clutch's Stage 4 (1MD) Clutch Kit is designed to withstand even the most challenging conditions. Featuring a heavy-duty single diaphragm pressure plate, reinforced drive straps, and an Unsprung MIBA Ceramic (available in a 4 or 6 puck) disc, this kit provides peak performance and extreme durability for low/mild horsepower vehicles. Our Unsprung 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 dedicated race vehicles to the next level, the Stage 4 (1MD) Action Clutch Kit provides maximum control and power with little compromise on reliability.

At Action Clutch, 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.

NOTE: Purchasing the wrong type of clutch kit for your specific engine power output can result in premature clutch failure, damage to the transmission and void warranty eligibility. If you’re unsure what kit is right for you, contact Action Clutch direct.

170% INCREASED HOLDING CAPACITY OVER FACTORY KIT*
RACE APPLICATIONS / DRAG / ROAD / DRIFT RACING

2018+ WRX with VIN starting with J*806877 MUST use AC105FW OR and OEM 2015-2017 Flywheel for proper fitment. See Subaru TSB 03-79-18R.

Specifications

Product Type Stage 4 Clutch Kit (1MD)
Product Weight (lbs)
SFI 1.1
 
What’s Included
  • Unsprung 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.

Using a clutch kit with an unsprung clutch disc on a stock or lightly modified power engine that is daily/street driven vehicle can break the rivets on the clutch disc hub. Unsprung clutch kits are not designed for daily/street use or any constant on/off engagement environment. This can be compared to running a marathon in sandals vs a proper running shoe. If you were to run the marathon in sandals, you have no cushion or comfort and can cause injuries or wear you down faster than using proper running shoes.

*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: 41445016497

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4.8 ★★★★★
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Drippy
Draper, US
★★★★★ 5
It's A Whistler!
Size: Medium (Pack of 1), Style: Pack of 1
This Chuckit! Whistler Ball is basically a regular fetch toy that decided to become an annoying little teakettle mid-air. My dog goes absolutely nuts for it—every throw sounds like a tiny referee is shrieking "foul!" the whole way across the yard. He chases it harder than he chases the mailman, and bonus: I can actually find it in tall grass because it's screaming for help. Super bouncy, tough enough that he hasn't destroyed it yet (miracle), and now our walks sound like a low-budget horror movie.
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Reviewed in the United States on February 14, 2026
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AJ1983
Lake Worth, US
★★★★★ 4
Great buy
Size: 2 Count (Pack of 1), Style: Pack of 2
Easy to track balls. My dog loves them and I like that they whistle when you throw them cause some times my dog loses track of it in the air. This helps because they can hear where it's going. Will buy again.
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Reviewed in the United States on January 10, 2026
S
Verified Purchase
Staci
New York, US
★★★★★ 5
My Dog's Favorite Balls
Size: 2 Count (Pack of 1), Style: Pack of 2
My dogs love these balls and won't play with any others. My lab has to carry the orange ball and track and retrieve the blue one. We have a system!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
J
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Jay
Belleville, US
★★★★★ 5
Our perfect chew toy for a relentless chewer!
Size: 2 Count (Pack of 1), Style: Pack of 2
We have looked high and low for a ball that our Australian Shepherd couldn't destroy. Read on to find out why we are sticking with this one. We've used other Chuckit! products in the past to mixed degrees of success. We absolutely love the ring fetch toy, though the dog can destroy those rings in a couple days. We tried other "nearly indestructible" balls only to have to throw them away within a couple days because our dog had destroyed them and left small pieces around the house for the baby to find. We have been COMPLETELY satisfied by these balls. They fit with the Chuckit! stick, which is a great bonus, but the most important thing is the dog hasn't been able to get pieces torn out of them. His orange one is his "indoor toy" and he's been going to town on it for weeks without any indication of wear. We periodically inspect it and are always floored to see that it's generally in the same condition as when we gave it to him. The orange color did fade a little when he left it outside for a few days in the sun, but considering how well it works otherwise, this didn't concern us at all. The "whistling" aspect of this ball is... well, an interesting gimmick but I wouldn't buy it if that's what you're interested in. Sometimes it makes noise in flight, other times it doesn't. We don't care. He chews it until he's tired of it (which is usually hours) and it squeaks and squorks on his teeth which keeps him happy as a clam. We honestly didn't think we'd find a ball that could keep up with his chewing, but this one has been phenomenal. We cannot recommend it enough!
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Reviewed in the United States on January 30, 2021
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Mitch
Birmingham, US
★★★★★ 5
Our German Sheppard loves these
Size: Medium
These cost a bit more than tennis balls, but they are so much nicer and longer lasting. For starters, they stay cleaner than tennis balls because they’re smooth rubber. Dirt won’t build up on them and if anything does stick, like grass or soil, it falls off once the dog slobber dries. They’re also thick, so they don’t fall apart or blow out like a normal tennis ball does in our dog’s jaws after 30 seconds. Our GS chomps on these like crazy and the only damage they’ve suffered is a crack that developed from the edge of the hole, but the crack is growing very slowly and none of these balls have totally failed yet. The balls do whistle when thrown ant high speed and that may help a dog track and locate it, but I’m not sure. Our neighbors hear the whistling too so it’s far from silent. Lastly the orange ball is easy to locate out in our yard, but the dark blue practically disappears.
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Reviewed in the United States on April 6, 2025

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