NS4-HDR4 - HD/Race Rigid 4 Pad
SKU: 84474126204

NS4-HDR4 - HD/Race Rigid 4 Pad

Sale price$208.35 Regular price$231.50
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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14

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Description

NS4-HDR4 - HD/Race Rigid 4 PadSpecifications: Item Description: HD Race Rigid 4 Pad Product Weight (lbs.): 13. 5 Torque Capacity (ft lbs.): 390 Torque Capacity Over OE: 74% 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 NS4 HDR4 kit features ACT's popular Heavy Duty pressure plate. ACT Heavy Duty pressure plates utilize an

Specifications:

  • Item Description: HD/Race Rigid 4 Pad
  • Product Weight (lbs.): 13.5
  • Torque Capacity (ft/lbs.): 390
  • Torque Capacity Over OE: 74%
  • 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 NS4-HDR4 kit features ACT's popular Heavy Duty pressure plate. 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 superior performance. Precision cover stampings provide rigidity and consistency.

Paired with the Heavy Duty pressure plate is ACT's 4-pad rigid race disc, made with high-quality ceramic friction materials. The chrome-moly hub is heat-treated for strength and durability. This lightweight, rigid design allows for quicker shifts and smooth, trouble-free service. The 4-pad rigid race disc provides aggressive engagement and increased gear rattle, making it well-suited for 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 1989-1990 Nissan 180SX Type I and Type II [JDM] models equipped with a 1.8L I4 FI engine.

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: 84474126204

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Reviewed in the United States on January 24, 2026
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Item was not properly sealed once unpacked product busted all over my floor. Waste of money and isn’t even the actual brand DONT GET SCAMMED
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★★★★★ 1
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