SKU: 20305650051

ZM5-HDG4 - HD/Race Sprung 4 Pad

$272.25 $302.50
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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21

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Description

ZM5-HDG4 - HD/Race Sprung 4 PadSpecifications: HD Race Sprung 6 Pad Clutch Kit Item Description: HD Race Sprung 6 Pad Product Weight (lbs.): 13. 9 Torque Capacity (ft lbs.): 359 Torque Capacity Over OE: 71% 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 Description: The ZM5 HDG6 kit by ACT features their most popular Heavy Duty pressure

Specifications: HD/Race Sprung 6 Pad Clutch Kit

  • Item Description: HD/Race Sprung 6 Pad
  • Product Weight (lbs.): 13.9
  • Torque Capacity (ft/lbs.): 359
  • Torque Capacity Over OE: 71%
  • 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

Description: The ZM5-HDG6 kit by ACT features their most popular Heavy Duty pressure plate paired with a 6-pad, spring-centered race disc. ACT Heavy Duty pressure plates utilize an exclusive diaphragm design to enhance clamp load, diminish deflection, and optimize clutch life. Each diaphragm undergoes a four-stage heat-treating process for exceptional performance. Precision cover stampings ensure rigidity and consistency.

ACT's 6-pad, spring-centered race disc incorporates a spring-center to effectively damp torsional vibrations and resist failure under harsh conditions. ACT spring retainers utilize wraparound spring windows and thicker retainer stampings to provide enhanced spring support, reduce stress concentrations, and increase strength and reliability. While engagement with the 6-pad, spring-centered race disc is harsher, shifting is faster. This disc is particularly recommended for larger clutch sizes to absorb more heat.

Key Characteristics:

  • Feel: Light to moderate pedal effort, aggressive engagement, OE to mild gear rattle.
  • Life: Moderate friction life, extended by ACT's exclusive diaphragm design.
  • Quality: Carefully engineered, precisely assembled, accurately balanced, using select ceramic friction materials for high heat tolerance and maximum performance.

Recommended Use: Recommended for high horsepower street or race use, ideal for applications where durability, aggressive engagement, and high performance are essential.

ACT Difference: 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability.

Vehicle Fitment: Compatible with various Mazda MX-5 Miata models from 2006 to 2015, equipped with the 2.0 L4 GAS FI 2000cc engine.

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: 20305650051

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4.4 ★★★★★
Based on 22 reviews
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Product Reviews
K
Verified Purchase
Kathleen Bauer
Belleville, US
★★★★★ 5
Excellent results
I have an older truck with badly oxidized headlights. I saw this product advertised and decided to give it a try. It was amazing how easy it was to do. 3 step process and the most remarkable results! I had a question regarding the process, called the number on the QR code and spoke to a person! OhJoy! More than helpful, put a whole new meaning to "service after the sale"I highly recommend this product and this company!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 2, 2025
T
Verified Purchase
Thomas Clauser
Natrona Heights, US
★★★★★ 3
Not quite what I expected
Great price but the results, though they did improve the clarity, it was not the full results I HAD EXPECTED.. The foiled packages that had the oxidizer removal and ceramic clear coat were nearly dry when I opened them. They should be made more wet when sealed and possibly better foil paqckaging.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
V
Verified Purchase
victor
Belleville, US
★★★★★ 1
Ruined my headlights! Big waste of money!
I decided to try this instead of soda bicarbonate and toothpaste to see if if would be oxidation cleared for longer. Big mistake, it made my headlights completely hazed making it even worst. Don’t waste your money on this or anything else. Soda bicarbonate and toothpaste is better and you can seal it with a lacquer or sealer. Big waste of money. Hopeflly I can fix them…😡
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 5, 2025
J
Verified Purchase
Javier Basurco
West Palm Beach, US
★★★★★ 5
Resultado
Bueno, facil de usar
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
B
Verified Purchase
Bethany L Kelly
San Leandro, US
★★★★★ 5
Best product for headlight restoration.
This kit comes with everything that you need to restore dull and yellowed headlights to original shine. I have used other products in the past that were not as easy or effective. Customer service was wonderful. Highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 20, 2025

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