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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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Description
MR1-HDR4 - HD/Race Rigid 4 PadSpecifications: Item Description: HD Race Rigid 4 Pad Product Weight (lbs.): 11. 6 Torque Capacity (ft lbs.): 350 Torque Capacity Over OE: 77% Disc Material: Ceramic Clutch Disc Diameter (Inches): 8. 8 Clutch Disc Diameter (Millimeters): 224 Input Shaft Diameter (inches): 0. 875 Pressure Plate Type: Heavy Duty Warranty: 12 Months Description: The MR1 HDR4 kit by ACT features their popular Heavy Duty pressure plate paired with a 4 pad rigid race disc,
Specifications:
- Item Description: HD/Race Rigid 4 Pad
- Product Weight (lbs.): 11.6
- Torque Capacity (ft/lbs.): 350
- Torque Capacity Over OE: 77%
- Disc Material: Ceramic
- Clutch Disc Diameter (Inches): 8.8
- Clutch Disc Diameter (Millimeters): 224
- Input Shaft Diameter (inches): 0.875
- Pressure Plate Type: Heavy Duty
- Warranty: 12 Months
Description: The MR1-HDR4 kit by ACT features their popular Heavy Duty pressure plate paired with a 4-pad rigid race disc, engineered for high-performance racing applications. Employing ACT's exclusive diaphragm design, the Heavy Duty pressure plate enhances clamp load, minimizes deflection, and maximizes clutch longevity. Each diaphragm undergoes a four-stage heat-treating process for outstanding performance. Precision cover stampings ensure the rigidity and consistency of ACT pressure plates. Crafted with high-quality ceramic friction materials, the 4-pad rigid race discs feature a chrome-moly hub heat-treated for durability. This lightweight, rigid design facilitates quicker shifts and ensures reliable performance. While engagement may be harsher, the 4-pad rigid race disc enables faster shifting, making it ideal for smaller disc sizes in compact engines.
Features:
- Feel: Light to moderate pedal effort, aggressive engagement, increased gear rattle
- Life: Moderate friction life, extended by ACT's exclusive diaphragm design; rigid design may increase spline wear
- Quality: Carefully engineered, precisely assembled, accurately balanced, uses select ceramic friction materials for high heat tolerance and maximum performance
- Recommended Use: Recommended for race use only
- ACT Difference: 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability
Vehicle Fitment:
- Application: Engine
- 2004-2012 Mitsubishi Lancer Ralliart: 2.4 L4 GAS FI 2400cc | SOHC | Naturally Aspirated
- 2006-2012 Mitsubishi Eclipse GS: 2.4 L4 GAS FI 2378cc | SOHC | Naturally Aspirated
- 2007-2012 Mitsubishi Eclipse Spyder GS: 2.4 L4 GAS FI 2378cc | Naturally Aspirated
- 2008 Mitsubishi Eclipse SE: 2.4 L4 GAS FI 2378cc | Naturally Aspirated
Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.6 ★★★★★
Based on 1933 reviews
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Product Reviews
★★★★★ 5
Solid interactive automatic vibrating dog ball toy
Color: Blue, Color: Blue
Picked up this ITEHZTO interactive automatic vibrating dog ball for our pup and it’s a fun, engaging toy that keeps her entertained. It’s rechargeable with USB, motion-activated, and has a good vibrating/rolling action that gets her chasing and playing on her own. The durable build seems like it can handle some rough play, and it’s a nice size for indoor or outdoor use.
It lights up or vibrates when activated which adds extra excitement, especially during evening playtime. Battery life is decent and recharges quickly. Great for when she needs mental and physical stimulation without me having to throw a ball constantly.
Overall a solid interactive dog toy that does a great job keeping active dogs busy. Good value if your dog loves chasing moving/vibrating toys!
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Reviewed in the United States on April 30, 2026
★★★★★ 4
Built-in USB-C solves the power issue, but it is strictly for moderate chewers
Color: Blue
Got this to keep the high-energy puppy occupied indoors so the older dogs can actually get some peace and quiet. The main issue with most automated electronic pet toys is that they rely on expensive, hard-to-find button cell batteries that die after a single afternoon of use.
This unit utilizes a built-in 300mAh battery with a standard Type-C charging interface. That is a mandatory design feature if you actually want to run the toy daily without going broke replacing power cells. The internal motor generates enough erratic movement to keep a dog's attention, and it actually has the torque to navigate over standard tile, hardwood, and light carpets without instantly stalling out in a corner.
You need to completely understand the physical limitations of what you are unboxing here. The listing explicitly states this is not for heavy chewers, and you need to take that warning seriously. The outer shell is TPU, but the internal chassis housing the electronics is hard ABS plastic. If you hand this to an 80-pound working dog that aggressively shreds thick bones, they are going to crush the housing and destroy the internal motor assembly in about ten minutes.
At roughly 2.5 inches in diameter, it's basically the size of a standard tennis ball. If you use it as intended—as an interactive chasing toy for a puppy or a moderate chewer rather than a heavy-duty chew toy—it functions perfectly. It is a highly practical piece of indoor enrichment gear. Solid return on investment for burning off excess canine energy.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Pawsitively Stimulating🐾
Color: Blue
When my hooman brought this home, I thought it was fur their computer. After all, it has a plug and lights up. When they placed it on the floor, I was pawsomely surprised. Fur real, this little ball is wierd. It doesn't taste at all like my favorite tennis ball. I was a pawplexed that sometimes when I was finally brave enough to get it and hold it in my mouth, it would start jumping around. I think my hoomans finally found a toy that will keep me busy for a while. Mom is howling with excitement because it kept me interested for a long time. I hope I can sleep tonight. I see mom has plugged in my new toy to keep it "charged"- whatever that means....I never had a toy that came with its own leash before. Mom says she is gonna save the toy until other hoomans come over to keep me from being too ruff with them. You see the video, do I look a dog who could be too ruff?- Sincerely, the family dog, a bona-fido toy reviewer
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Reviewed in the United States on May 3, 2026
★★★★★ 4
Freaks my dogs out.
Color: Blue, Color: Blue
My dogs really don't know what to make of these. They mostly follow it around, staring at it curiously, but semi-afraid to approach it. That, or they'll bark at it. It charges quickly and has multiple modes to engage your pet with. It also locks closed securely ... for the most part.
That said, there are some downsides. This toy is mostly made for smaller dogs. I'd say 40 or 50 pounds max. While the plastic shell feels hard and durable, it's not hard enough for a big dog's jaws. My big bulldog mix bore down on this with his teeth, and I hard the plastic starting to snap. It's tough, but not great if your dog is the type who likes to put the pressure on.
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Best money for a dog toy I've spent in a long time
Color: Blue
This interactive ball is small but packs a lot of fun and playtime for my dog's they go crazy every time we bring it out and turn it on, it lights up has several modes vibrates they love it will be purchasing amount for certain
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Reviewed in the United States on May 9, 2026