SKU: 30091316534

ZM10-HDG4 - HD/Race Sprung 4 Pad

Sale price$457.65 Regular price$508.50
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Ships within 48 hours · Estimated delivery Jul 24 - Jul 29

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Description

ZM10-HDG4 - HD/Race Sprung 4 PadProduct Description: HD Race Sprung 4 Pad Clutch Kit The HD Race Sprung 4 Pad Clutch Kit, identified as ZM10 HDG4, is a high performance clutch system engineered by ACT to meet the demands of high horsepower street or race applications. With a weight of 26. 8 pounds, this kit provides a torque capacity of 399 ft lbs, exceeding OE standards by 87%. It features a ceramic clutch disc material with a diameter of 8. 8 inches (224mm) and an input shaft

Product Description: HD/Race Sprung 4 Pad Clutch Kit

The HD/Race Sprung 4 Pad Clutch Kit, identified as ZM10-HDG4, is a high-performance clutch system engineered by ACT to meet the demands of high horsepower street or race applications. With a weight of 26.8 pounds, this kit provides a torque capacity of 399 ft/lbs, exceeding OE standards by 87%. It features a ceramic clutch disc material with a diameter of 8.8 inches (224mm) and an input shaft diameter of 0.9375 inches.

At the heart of this kit is ACT's renowned Heavy Duty pressure plate, renowned for its exclusive diaphragm design that enhances clamp load, reduces deflection, and maximizes clutch life. Each diaphragm undergoes a meticulous four-stage heat-treating process, ensuring unparalleled performance under extreme conditions. Precision cover stampings ensure rigidity and consistency for reliable operation.

The kit integrates ACT's 4-pad spring-centered race disc, featuring a spring-center design to effectively damp torsional vibrations for quieter operation and resistance to failure under harsh conditions. Spring retainers with wraparound spring windows and thicker stampings provide enhanced spring support, reduce stress concentrations, and increase overall strength and reliability. While engagement may be harsher, shifting is faster, making it ideal for smaller disc sizes in smaller engines.

Key Features:

  • Feel: Light to moderate pedal effort, aggressive engagement, with OE to mild gear rattle.
  • Life: Moderate friction life, extended by ACT's exclusive diaphragm design.
  • Quality: Carefully engineered, precisely assembled, accurately balanced, utilizing select ceramic friction materials for high heat tolerance and maximum performance.
  • Recommended Use: Designed specifically for high horsepower street or race applications, providing exceptional performance.
  • ACT Difference: Rigorously tested, ensuring 100% clamp load and dynamically computer balanced for smooth operation even at high RPMs.

Vehicle Fitment: This clutch kit is compatible with a range of Mazda MX-5 Miata models from 2016 to 2018, including various trim levels equipped with a 2.0 L4 GAS FI 1998cc engine. Compatible models include:

  • 2016-2018: Mazda MX-5 Miata Club, GS, GT, GX, Grand Touring, Sport
  • 2017-2018: Mazda MX-5 Miata RF Club, RF GS, RF GT, RF Grand Touring

For enthusiasts seeking uncompromising performance and durability in high horsepower applications, the HD/Race Sprung 4 Pad Clutch Kit from ACT is the ultimate choice, delivering outstanding performance both on the street and the track..

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: 30091316534

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4.8 ★★★★★
Based on 19 reviews
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Marcia J.
Charlottesville, US
★★★★★ 5
Why would you want anything else?
Size: Standard (20" X 26"), Color: 02 - White, Number of Items: 2
I don’t know why anyone would want pillow cases that don’t fit the pillow. These are “envelope” style meaning the pillow tucks inside them for a perfect fit—no “leftover” pillowcase sticking out on the end. They’re very soft and cooling and I have so far bought ones for every bed in my house and will be getting more as extras. Highly recommend!
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Reviewed in the United States on May 17, 2026
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Betty
Alexandria, US
★★★★★ 3
Very soft
Size: Body (20" X 54"), Color: 06 - Sage Green, Number of Items: 1
The color was perfect. It’s very soft. The only thing that I really don’t like is the finish of the opening, it would be better with a zipper closure.
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Reviewed in the United States on May 13, 2026
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Shelby
Pawtucket, US
★★★★★ 5
Cool, Comfortable, and Worth Every Penny!
Color: Light Gray, Size: Standard
I’m honestly impressed with these pillowcases! From the first night, I could feel the difference—they stay noticeably cool, which is perfect if you tend to sleep hot like I do. The fabric feels silky smooth against the skin without being slippery, and it’s really gentle on both my hair and face. I’ve also noticed I wake up less sweaty and more comfortable overall. They fit my pillows well and don’t slip off during the night, which is a big plus. After washing, they held up great—no fading, shrinking, or loss of softness. If you’re looking for pillowcases that actually help keep you cool and comfortable through the night, these are definitely worth it. I’ll be buying more!
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Reviewed in the United States on April 7, 2026
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Sarah Benjamin
Massapequa, US
★★★★★ 5
Extremely cold, silky, gentle on hair
Color: White, Size: Queen
This was so cold when I removed it from the package that at first I thought it would be too cold. It was as if it had been in a freezer. I really like how silky it is on my face. (I can't stand a rough feeling pillowcase.) It is also gentle on my curly hair. The pillowcase can warm up from being slept on, but a shift of just a few inches gets back to wonderful cold. I highly recommend this as an extremely cool, silky smooth fabric. These are much colder than my very expensive miracle sheets.
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Reviewed in the United States on April 22, 2026
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Amazon Customer
San Leandro, US
★★★★★ 5
Freaking Amazing 🤩
I never write reviews but these pillow cases absolutely deserve one!!! These are absolutely amazing! So soft and cool! I sweat so bad every night!! I wake up and my hair, shirt and pillow are drenched!!! I slipped these bad boys on as soon as they came in, and let me tell you! They were cold to the touch, I woke up this morning and I wasn’t sweating! I thought $20 something dollars was a little expensive for 2 pillow cases but was totally worth it! We love love love them!🩷🩷🩷Hubby approved😉
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Reviewed in the United States on May 18, 2026

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