SKU: 94988743039

MS1-HDG4 - HD/Race Sprung 4 Pad

Sale price$243.45 Regular price$270.50
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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25

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Description

MS1-HDG4 - HD/Race Sprung 4 PadSpecifications: Item Description: HD Race Sprung 4 Pad Product Weight (lbs.): 15. 7 Torque Capacity (ft lbs.): 420 Torque Capacity Over OE: 72% 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 MS1 HDG4 kit features ACT's renowned Heavy Duty pressure plate, designed for high performance racing

Specifications:

  • Item Description: HD/Race Sprung 4 Pad
  • Product Weight (lbs.): 15.7
  • Torque Capacity (ft/lbs.): 420
  • Torque Capacity Over OE: 72%
  • 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 MS1-HDG4 kit features ACT's renowned Heavy Duty pressure plate, designed for high-performance racing applications. ACT Heavy Duty pressure plates employ an exclusive diaphragm design to enhance clamp load, minimize deflection, and extend clutch lifespan. Each diaphragm undergoes a rigorous four-stage heat-treating process to ensure exceptional durability. Precision cover stampings maintain rigidity and consistency in ACT pressure plates. The 4-pad spring-centered race disc is engineered with a spring-center to effectively damp torsional vibrations, ensuring quieter operation and resilience under demanding conditions. ACT spring retainers feature wraparound spring windows and thicker stampings to bolster spring support, diminish stress concentrations, and enhance strength and reliability. Expect harsher engagement but quicker shifting with the 4-pad spring-centered race disc, making it ideal 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, utilizes 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:

  • Fitment Info
    • Application: Engine
    • 1987 Chrysler Conquest Base: 2.6 L4 GAS FI 2555cc | SOHC | Turbocharged
    • 1987 Mitsubishi Starion ESi-R: 2.6 L4 GAS FI 2555cc | SOHC | Turbocharged
    • 1988 Chrysler Conquest TSi: 2.6 L4 GAS FI 2555cc | SOHC | Turbocharged
    • 1988 Mitsubishi Starion ESi: 2.6 L4 GAS FI 2555cc | SOHC | Turbocharged
    • 1988 Mitsubishi Starion ESi-R: 2.6 L4 GAS FI 2555cc | SOHC | Turbocharged
    • 1989 Chrysler Conquest TSi: 2.6 L4 GAS FI 2555cc | SOHC | Turbocharged
    • 1989 Mitsubishi Starion ESi-R: 2.6 L4 GAS FI 2555cc | SOHC | Turbocharged

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: 94988743039

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4.1 ★★★★★
Based on 24 reviews
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james allen
Grantham, US
★★★★★ 3
Great Idea but they will let you down eventually
I have used these for years during the winter. The price has nearly tripled but the longevity is the same. I normally purchase three with one being a spare. Within a few weeks they start going. I switch batteries etc but normally that does not help. Its a great idea and my dogs love them but they dont hold up to 10 minutes of play each nite. We do not throw them either, I roll them or kick them as my dogs are older
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 12, 2025
M
Verified Purchase
Mitchell LaForest
Cuba, US
★★★★★ 5
Great product
Very good. Hours of fun with the dog.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 3, 2026
K
Verified Purchase
Krispy
Lake Worth, US
★★★★★ 2
Expensive ball- stops working in a week
Came without any protection inside for batteries. Stopped working after a week. Expensive ball to break in a week
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025
L
Verified Purchase
Lauren Michelsen
Waukegan, US
★★★★★ 5
Great ball for dogs
Murphy’s favorite ball!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 18, 2026
D
Verified Purchase
DDT
New York, US
★★★★★ 5
Great fun for our dogs!
Style: Original
My dogs can’t get enough of this very noisy ball. We have one outside and one in their playroom. It is very noisy. It is very hard. So, I’d say a room with fine furniture is not the place for it. Ours bang it around pretty good. Our boxer did split one, biting it. But, she’s a serious chewer! Our other dog carries it around sometimes but hasn’t been able to damage it yet. So, I’d say for most chewers it’s going to last a long time. It’s a great toy but in most households I’d say basement or outside. Again, it’s hard and did ding a few baseboards.
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Reviewed in the United States on March 27, 2026

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