NS3-HDR4 - HD/Race Rigid 4 Pad
SKU: 17048090474

NS3-HDR4 - HD/Race Rigid 4 Pad

$205.65 $228.50
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Ships within 48 hours · Estimated delivery Jul 5 - Jul 10

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Description

NS3-HDR4 - HD/Race Rigid 4 PadSpecifications: Item Description: HD Race Rigid 4 Pad Product Weight (lbs.): 16. 5 Torque Capacity (ft lbs.): 525 Torque Capacity Over OE: 86% Disc Material: Ceramic Clutch Disc Diameter (Inches): 9. 4 Clutch Disc Diameter (Millimeters): 240 Input Shaft Diameter (inches): 1 Pressure Plate Type: Heavy Duty Warranty: 12 Months Description: The NS3 HDR4 kit from ACT features their popular Heavy Duty pressure plate paired with a 4 pad rigid race disc.

Specifications:

  • Item Description: HD/Race Rigid 4 Pad
  • Product Weight (lbs.): 16.5
  • Torque Capacity (ft/lbs.): 525
  • Torque Capacity Over OE: 86%
  • Disc Material: Ceramic
  • Clutch Disc Diameter (Inches): 9.4
  • Clutch Disc Diameter (Millimeters): 240
  • Input Shaft Diameter (inches): 1
  • Pressure Plate Type: Heavy Duty
  • Warranty: 12 Months

Description:

The NS3-HDR4 kit from ACT features their popular Heavy Duty pressure plate paired with a 4-pad rigid race disc. ACT's Heavy Duty pressure plates utilize an exclusive diaphragm design to enhance clamp load, minimize deflection, and extend clutch life. Each diaphragm undergoes a meticulous four-stage heat-treating process for optimal performance. Precision cover stampings ensure consistent rigidity.

The 4-pad rigid race disc is crafted with high-quality ceramic friction materials and a heat-treated chrome-moly hub for durability. Its lightweight, rigid design facilitates quicker shifts and smooth operation, albeit with harsher engagement. This disc is particularly suitable for smaller engines and disc sizes.

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, utilizes 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 Nissan Skyline models from 1990 to 1998 with engines ranging from 2.0L I6 FI to 2.5L I6 FI.

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.






Specifications:

  • Item Description: HD/Race Rigid 4 Pad
  • Product Weight (lbs.): 16.5
  • Torque Capacity (ft/lbs.): 525
  • Torque Capacity Over OE: 86%
  • Disc Material: Ceramic
  • Clutch Disc Diameter (Inches): 9.4
  • Clutch Disc Diameter (Millimeters): 240
  • Input Shaft Diameter (inches): 1
  • Pressure Plate Type: Heavy Duty
  • Warranty: 12 Months

Description:

The NS3-HDR4 kit from ACT features their popular Heavy Duty pressure plate paired with a 4-pad rigid race disc. ACT's Heavy Duty pressure plates utilize an exclusive diaphragm design to enhance clamp load, minimize deflection, and extend clutch life. Each diaphragm undergoes a meticulous four-stage heat-treating process for optimal performance. Precision cover stampings ensure consistent rigidity.

The 4-pad rigid race disc is crafted with high-quality ceramic friction materials and a heat-treated chrome-moly hub for durability. Its lightweight, rigid design facilitates quicker shifts and smooth operation, albeit with harsher engagement. This disc is particularly suitable for smaller engines and disc sizes.

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, utilizes 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 Nissan Skyline models from 1990 to 1998 with engines ranging from 2.0L I6 FI to 2.5L I6 FI.

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: 17048090474

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4.2 ★★★★★
Based on 1147 reviews
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Product Reviews
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Verified Purchase
Ray Ray
West Palm Beach, US
★★★★★ 5
Excellent choice
I will skeptical when buying these because I have a pitbull bulldog that likes to chew holes in every toy. This is her favorite she choose on the ball, but she doesn’t actually ruin it because she can’t. It holds up one of the squeakers broke, but that’s expected I guess my wife actually ordered more. I’m not sure if it was from the same seller or not but those ones they don’t favor as much for some reason I seen the same different colors. My dog even sleeps with it sometimes. The picture shows for sleeping with it. I’m definitely happy. I got these. They are tough. I like the fact that they have those little recessed holes so they can grab a hold of it and not get it all slimy like the other balls we have.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026
T
Verified Purchase
Tyrek
Bozeman, US
★★★★★ 5
Durable and a must have for aggressive chewers
Color: Blue+Red
These are without a doubt the best toys that I have ever purchased for my dog. He's an aggressive chewer and quickly destroys almost every toy I buy. This one hasn't been destroyed yet and the squeaker is still working at about 5 months.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026
K
Verified Purchase
Kassy
Phoenix, US
★★★★★ 5
GSD Winner
Color: Blue+Red
10/10 recommend for big dogs with a tough chew. Our GSD absolutely loves these squeaky balls. They have perfect texture for his teeth and for our grip. They are the size of a baseball and are so durable and fun. Yes the squeaky is LOUD but he loves them so much that it's cute
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
P
Verified Purchase
phan_graph
Phoenix, US
★★★★★ 4
Great buy
Color: Blue+Red
My dogs kill every toy. They arrived very agressive chewers. These have lasted way longer than most balls have. Great value
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
M
Verified Purchase
megs2168
Lake Worth, US
★★★★★ 5
If your dog loves tennis balls, you NEED these
Color: Azure+Orange, Color: Azure+Orange
Raising any puppy is tough. Raising a German Shepherd puppy has often left me questioning my life choices. So I was ecstatic the day that my 60-lb puppy decided that he loves tennis balls and occupied himself for 2 hours without needing constant intervention. Naturally, my immediate response was to make sure we had a constant supply of large tennis balls for dogs available. Now my puppy loves mischief, but he’s not an aggressive chewer. And I was irritated to discover that every brand and size of tennis ball broke within an hour max of play. By simply playing fetch and batting the ball around with his paws, every single tennis ball split into 2 halves. We needed something better! These squeaky balls are exactly that! They come in a 2-pack. I gave my pup the 1st one a week ago and it’s still going strong! We play fetch in the backyard, he brings it into the doggy pool with him, it rolls around in the dirt and can be rinsed off easily. It’s by far his favorite toy, and he takes it everywhere with him. Finally a squeaky ball that can keep up with my dog! These are the perfect size, texture, bounce, squeak, everything. These are the ONLY squeaky balls I will buy from now on. Five stars for sure!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2026

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