MR1-HDG4 - HD/Race Sprung 4 Pad
SKU: 18989113835

MR1-HDG4 - HD/Race Sprung 4 Pad

Sale price$253.80 Regular price$282.00
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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Description

MR1-HDG4 - HD/Race Sprung 4 PadSpecifications: Item Description: HD Race Sprung 4 Pad Product Weight (lbs.): 13 Torque Capacity (ft lbs.): 350 Torque Capacity Over OE: 77% Disc Material: Ceramic Clutch Disc Diameter (Inches): 8. 8 Clutch Disc Diameter (Millimeters): 224 Input Shaft Diameter (inches): 0. 875 Pressure Plate Type: Heavy Duty Warranty: 12 Months Description: The MR1 HDG4 kit by ACT features their renowned Heavy Duty pressure plate paired with a 4 pad spring centered

Specifications:

  • Item Description: HD/Race Sprung 4 Pad
  • Product Weight (lbs.): 13
  • Torque Capacity (ft/lbs.): 350
  • Torque Capacity Over OE: 77%
  • Disc Material: Ceramic
  • Clutch Disc Diameter (Inches): 8.8
  • Clutch Disc Diameter (Millimeters): 224
  • Input Shaft Diameter (inches): 0.875
  • Pressure Plate Type: Heavy Duty
  • Warranty: 12 Months

Description: The MR1-HDG4 kit by ACT features their renowned Heavy Duty pressure plate paired with a 4-pad spring-centered race disc, designed for high-performance street and race applications. ACT Heavy Duty pressure plates utilize an exclusive diaphragm design to bolster clamp load, minimize deflection, and extend clutch lifespan. Each diaphragm undergoes a meticulous four-stage heat-treating process for exceptional performance. Precision cover stampings on ACT pressure plates ensure rigidity and consistency. The 4-pad spring-centered race disc is engineered with a spring-center to effectively damp torsional vibrations and withstand harsh operating conditions. ACT's spring retainers provide additional support, reducing stress concentrations and enhancing reliability. While engagement may be more aggressive, the 4-pad spring-centered disc allows for quicker shifting, making it suitable for smaller engines with smaller disc sizes.

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

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: 18989113835

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A
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Anna
Lowell, US
★★★★★ 5
Nice chew toy
Color: Dogwood Mushroom, Size: Medium, Color: Dogwood Mushroom, Size: Medium
Super durable and puppy loves it. It was a bit hard for her at first but now at 5 months it’s one of her favorite things to gnaw on! It is heavy for the size but seems to be great quality and has given many hours of chew time with minimal wear.
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Reviewed in the United States on March 12, 2026
J
Verified Purchase
Jennifer
Birmingham, US
★★★★★ 4
Long lasting
Color: Dogwood & Calming, Size: Medium
My dogs love these bones.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026
K
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Kelli Thornburg
Waukegan, US
★★★★★ 5
Puppy loves these sticks!
Color: Dogwood & Calming, Size: Medium
Dogs love these sticks! Must smell and taste like real wood because it keeps my puppy from bringing real sticks in the house from outside. She is a heavy chewer and these sticks keep her occupied. We are on our 2nd set.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
C
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C. H.
West Palm Beach, US
★★★★★ 5
Great value for the price, highly recommend
Color: Dogwood & Calming, Size: Medium
Our dog loves these and chews them down to nothing. They are a great value for the money and the use your dog gets out of them. The size is just right for our doberdor.
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Reviewed in the United States on May 20, 2026
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LC
Birmingham, US
★★★★★ 3
Our dog loves it but it wasn’t durable enough to last
Color: Dogwood Jack, Size: Large, Color: Dogwood Jack, Size: Large
Our lab took to it as soon as we gave it to her. Perfect size for our 80 lb yellow lab. However, now that it’s in about 10 days, she’s able to break off chunks from this bone that are dime size or larger, and we have to throw it away
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Reviewed in the United States on May 1, 2026

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