SKU: 43890031790

NX4-HDR4 - HD/Race Rigid 4 Pad

Sale price$202.50 Regular price$225.00
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Ships within 48 hours · Estimated delivery Sep 11 - Sep 16

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Description

NX4-HDR4 - HD/Race Rigid 4 PadSpecifications: Item Description: HD Race Rigid 4 Pad Product Weight (lbs.): 13. 2 Torque Capacity (ft lbs.): 350 Torque Capacity Over OE: 97% Disc Material: Ceramic Clutch Disc Diameter (Inches): 8. 8 Clutch Disc Diameter (Millimeters): 224 Input Shaft Diameter (inches): 1 Pressure Plate Type: Heavy Duty Warranty: 12 Months Description: The NX4 HDR4 kit features ACT's popular Heavy Duty pressure plate paired with a 4 pad rigid race disc, designed for

Specifications:

  • Item Description: HD/Race Rigid 4 Pad
  • Product Weight (lbs.): 13.2
  • Torque Capacity (ft/lbs.): 350
  • Torque Capacity Over OE: 97%
  • Disc Material: Ceramic
  • Clutch Disc Diameter (Inches): 8.8
  • Clutch Disc Diameter (Millimeters): 224
  • Input Shaft Diameter (inches): 1
  • Pressure Plate Type: Heavy Duty
  • Warranty: 12 Months

Description: The NX4-HDR4 kit features ACT's popular Heavy Duty pressure plate paired with a 4-pad rigid race disc, designed for high-performance race applications. ACT Heavy Duty pressure plates utilize an exclusive diaphragm design to increase clamp load, reduce deflection, and maximize clutch life. These pressure plates undergo a four-stage heat-treating process for exceptional performance and durability.

Paired with the pressure plate is ACT's 4-pad rigid race disc, made with high-quality ceramic friction materials and featuring a chrome-moly hub heat-treated for strength and durability. The lightweight, rigid design allows for quicker shifts and smooth operation, although engagement may be harsher. This kit is recommended for race use only and is suitable for smaller disc sizes in smaller 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: Compatible with various models of Nissan 240SX from 1991 to 1994.

PROP 65 WARNING: This product can expose you to chemicals including carbon black, glass wool fibers, and silica (in clutch discs), chromium and nickel, which are known to the State of California to cause cancer or birth defects or other reproductive harm. 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: 43890031790

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Joe Lahoud
Alexandria, US
★★★★★ 5
perfect fit
Size: (Pack of 1)
Buy this. 3-minute install. Youtube it.
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Reviewed in the United States on May 8, 2025
O
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Oscar
Natrona Heights, US
★★★★★ 4
Did its job
Size: (Pack of 1)
No complaints and did what it was intended for. Nice fit.
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Reviewed in the United States on September 16, 2024
M
Verified Purchase
Mo_Green
Waukegan, US
★★★★★ 5
Excellent Quality
Size: (Pack of 1)
Nice quality.
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Reviewed in the United States on June 7, 2025
A
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Amazon Customer
Dallas, US
★★★★★ 5
Super easy and inexpensive
Size: (Pack of 1)
It was super easy to swap out myself! I just searched “how to change engine air filter 2017 Acura RDX” on YouTube and watched the first video that popped up. It took me longer to type this than it did to change the filter. Plus, this one cost about a third of what Valvoline was going to charge me to replace it.
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Reviewed in the United States on August 10, 2025
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kyeong seob choe
Chelsea, US
★★★★★ 5
Great
Size: (Pack of 1)
Great
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Reviewed in the United States on December 31, 2025

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