ZM2-HDR4 - HD/Race Rigid 4 Pad
SKU: 95878380955

ZM2-HDR4 - HD/Race Rigid 4 Pad

Sale price$228.15 Regular price$253.50
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Description

ZM2-HDR4 - HD/Race Rigid 4 PadSpecifications: ZM2 HDR4 Clutch Kit for Mazda Miata Item Description: HD Race Rigid 4 Pad Clutch Kit Product Weight (lbs.): 11 Torque Capacity (ft lbs.): 310 Torque Capacity Over OE: 74% Disc Material: Ceramic Clutch Disc Diameter (Inches): 8. 8 Clutch Disc Diameter (Millimeters): 224 Input Shaft Diameter (inches): 0. 9375 Pressure Plate Type: Heavy Duty Warranty: 12 Months (view details) Description: The ZM2 HDR4 kit features ACT's esteemed Heavy

Specifications: ZM2-HDR4 Clutch Kit for Mazda Miata

Item Description: HD/Race Rigid 4 Pad Clutch Kit

Product Weight (lbs.): 11

Torque Capacity (ft/lbs.): 310

Torque Capacity Over OE: 74%

Disc Material: Ceramic

Clutch Disc Diameter (Inches): 8.8

Clutch Disc Diameter (Millimeters): 224

Input Shaft Diameter (inches): 0.9375

Pressure Plate Type: Heavy Duty

Warranty: 12 Months (view details)

Description: The ZM2-HDR4 kit features ACT's esteemed Heavy Duty pressure plate, leveraging an exclusive diaphragm design to enhance clamp load, diminish deflection, and optimize clutch lifespan. Each diaphragm undergoes a rigorous four-stage heat-treating process, ensuring unparalleled performance. Precision cover stampings deliver rigidity and consistency. ACT's 4-pad rigid race discs are meticulously crafted with premium ceramic friction materials. The chrome-moly hub is heat-treated for enhanced strength and durability. The lightweight, rigid design facilitates swift shifts and seamless operation. While engagement with the 4-pad rigid race disc may be more aggressive, shifting becomes notably faster. This disc is particularly well-suited for smaller disc sizes in smaller engines.

Description:

  • 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; utilizes select ceramic friction materials for high heat tolerance and maximum performance
  • Recommended Use: Designed for race use only
  • ACT Difference: Rigorously clamp load tested and dynamically computer balanced for smooth high RPM reliability

Vehicle Fitment: The ZM2-HDR4 Clutch Kit is specifically engineered for the following Mazda Miata models:

  • 1990-1997: Base, SE, LE
  • 1994-2005: M Edition
  • 1997-2003: STO, Shinsen
  • 1999-2000: 10th Anniversary, LS, SE
  • 2001-2005: LS, Mazdaspeed
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: 95878380955

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4.2 ★★★★★
Based on 2234 reviews
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S.S.X.
New York, US
★★★★★ 3
Let's see how it works
Size: 4 Fl Oz (Pack of 1), Unit Count: 4.0
Much easier to use than the jar, I hope it works as well. After 6 weeks, Well my hair is exactly the same. No regrowth on my edges and my hair is not healthier. It’s just a basic hair oil. Will not repurchase
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Reviewed in the United States on February 22, 2025
O
Verified Purchase
Ornella Daly
Lexington, US
★★★★★ 5
It works!
Scent: Smoky coffee, Size: 4 Fl Oz (Pack of 1)
There is a strong smell or roasted coffee beans but since I started using this product my edges are healthier and the hair at the middle of my head that has been struggling to grow is gaining some length. The product itself can get hard depending on the temperature of your room but if you use it as directed the texture isnt so bad. The oil is thick and not very greasy or difficult to wash away. Definitely effective. 100% will recommend.
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Reviewed in the United States on December 16, 2025
T
Verified Purchase
TL
Port Orchard, US
★★★★★ 5
It's Working
Scent: Smoky coffee, Size: 4 Fl Oz (Pack of 1)
I like how it softens and protect hair. I am using sparingly on my scalp and have not used enough to see hair growth yet. I have had it for a month but do not use daily. I am growing my grey hair out and I have noticed that some of the white hairs are more salt and pepper now so it naturally darkens hair. My friend who told me about the product has been using it longer and her grey hairs are pretty much unnoticed by the natural darkening effect, blending enough to give her a light brown look. I have extremely fine thin fragile hair so I leave it on instead of rinsing or washing it out per instructions, that is another reason I do not use daily on hair and scalp. So far I have not had any negative side effects by using sparingly and leaving in until weekly wash. There is a strong smokey smell but not overwhelming for me and the scent dicipates within an hour or less.so I am not bothered by it. After using product on my hair, I rub a little on my nails & cuticles. It appears to help, as my cuticles are a lot healthier now.
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Reviewed in the United States on February 1, 2024
B
Verified Purchase
Bstew
Port Orchard, US
★★★★★ 4
Ash vs. Moisture/Success?
Scent: Smoky coffee, Size: 4 Fl Oz (Pack of 1)
The product feels great on the skin and moisturizes well. Although, don't be fooled by the smokey coffee detail. I'm an avid expresso bean grinder and drinker, this is no coffee. Smells like strong chain smokers favorite corner of the house on a stressful day. Imagine ash trays and Jojoba blended. Now that that's explained, it genuinely feels great on the skin/beard/scalp. Unfortunately, I am unsure how long my wife will tolerate this as a nighttime routine.
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Reviewed in the United States on September 9, 2025
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denise varnell
Battle Creek, US
★★★★★ 5
Strong coffee smell. Might not be be compatible for everyone. However, product is really good.
Scent: Smoky coffee, Size: 4 Fl Oz (Pack of 1)
Love this product. May not be compatible for someone who doesn't like smell of coffee that does not detract from the product. it's really good for hair.
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Reviewed in the United States on January 5, 2026

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