SKU: 29455714963

NS4-HDG4 - HD/Race Sprung 4 Pad

Sale price$233.10 Regular price$259.00
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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Description

NS4-HDG4 - HD/Race Sprung 4 PadSpecifications: Item Description: HD Race Sprung 4 Pad Product Weight (lbs.): 14. 9 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 HDG4 kit features ACT's popular Heavy Duty pressure plate designed to increase clamp load, reduce

Specifications:

  • Item Description: HD/Race Sprung 4 Pad
  • Product Weight (lbs.): 14.9
  • 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-HDG4 kit features ACT's popular Heavy Duty pressure plate designed to increase clamp load, reduce deflection, and maximize clutch life. These pressure plates undergo a four-stage heat-treating process for unparalleled performance and have precision cover stampings for rigidity and consistency.

Paired with the Heavy Duty pressure plate is ACT's 4-pad spring-centered race disc, featuring a spring-center to properly damp torsional vibrations for quieter operation and resist failure even under harsh conditions. The spring retainers provide spring support, reduce stress concentrations, and increase strength and reliability. This setup results in light to moderate pedal effort, aggressive engagement, and mild gear rattle.

Features:

  • 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, uses select ceramic friction materials for high heat tolerance and maximum performance
  • Recommended Use: Recommended for high horsepower street or race use
  • 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: 29455714963

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Sandra Fiore
Phoenix, US
★★★★★ 5
Excellent purchase
I love everything about it. The color, the soft cool texture and it drapes nicely over the sides of my mattress. It’s very beautiful. Perfect for the warmer season. I washed and dried it when I received it and it came out well. I love sleeping with it and so do my cats. A very excellent buy for little money
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Reviewed in the United States on April 27, 2026
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KK
Natrona Heights, US
★★★★★ 5
Best blanket ever
Color: Light Gray, Size: Full / Queen (90"x90")
Softest blanket everrrrrrr and EXTREMELY comfortable. It’s perfect!!! I love it! Ordering my mom one for Mothers Day.
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Reviewed in the United States on May 8, 2026
K
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Kept 2 for the summer. Using one under our air compressor. Serves the purpose.
Alexandria, US
★★★★★ 5
Fluff them up-put them in the dryer to get shape back!
Style: Medium/Firm, Size: Queen
At first I thought the wrong pillows were sent. Their shape had been pressed out of them. I put them in my dryer on fresh air for half an hour and they were fine. Very nice choice.
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Reviewed in the United States on October 23, 2025
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Jof11B
Waukegan, US
★★★★★ 1
llike to be refunded or credit my account
Style: Medium/Firm, Size: Queen
terrible pillows
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Reviewed in the United States on August 27, 2025
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Beverly Redd
Belleville, US
★★★★★ 5
Wonderful pillows!
Style: Medium/Firm, Size: Queen
Wonderful pillows!
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Reviewed in the United States on September 23, 2025

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