SKU: 72000655399

MR1-HDSS - HD/Perf Street Sprung

Sale price$238.50 Regular price$265.00
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Ships within 48 hours · Estimated delivery Sep 20 - Sep 25

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Description

MR1-HDSS - HD/Perf Street SprungSpecifications: Item Description: HD Perf Street Sprung Product Weight (lbs.): 13. 2 Torque Capacity (ft lbs.): 275 Torque Capacity Over OE: 38% Disc Material: Organic 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 HDSS kit from ACT features their renowned Heavy Duty pressure plate matched with their popular

Specifications:

  • Item Description: HD/Perf Street Sprung
  • Product Weight (lbs.): 13.2
  • Torque Capacity (ft/lbs.): 275
  • Torque Capacity Over OE: 38%
  • Disc Material: Organic
  • 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-HDSS kit from ACT features their renowned Heavy Duty pressure plate matched with their popular street disc, making it suitable for both street and race use. ACT Heavy Duty pressure plates utilize an exclusive diaphragm design to enhance clamp load, reduce deflection, and maximize clutch life. Each diaphragm undergoes a four-stage heat-treating process to ensure unparalleled performance. Precision cover stampings maintain rigidity and consistency in ACT pressure plates. The Performance Street discs feature premium organic materials with high copper content for superior heat transfer and a steel-backed lining for enhanced burst strength and durability. With reduced marcel for faster shift action, these discs complement ACT pressure plates while offering increased strength and reliability.

Features:

  • Feel: Light to moderate pedal effort, smooth positive engagement, OE to mild gear rattle
  • Life: Longer friction life, extended by ACT's exclusive diaphragm design
  • Quality: Carefully engineered, precisely assembled, accurately balanced, with premium organic friction materials for heat tolerance and reduced fade
  • Recommended Use: Recommended for street and race use
  • ACT Difference: 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability

Vehicle Fitment:

  • Fitment Info
    • Application: Engine
    • 2004-2012 Mitsubishi Lancer Ralliart: 2.4 L4 GAS FI 2400cc | SOHC | Naturally Aspirated
    • 2006-2012 Mitsubishi Eclipse GS: 2.4 L4 GAS FI 2378cc | SOHC | Naturally Aspirated
    • 2007-2012 Mitsubishi Eclipse Spyder GS: 2.4 L4 GAS FI 2378cc | Naturally Aspirated
    • 2008 Mitsubishi Eclipse SE: 2.4 L4 GAS FI 2378cc | Naturally Aspirated


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: 72000655399

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The Sauce
Draper, US
★★★★★ 3
Ight
Size: 2-pack
Just get the Permatex for a better "spray on", both cans I bought required way too much effort in shaking between spraying. I did shake the can well before use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 6, 2025
J
Verified Purchase
Joshua Roland
Phoenix, US
★★★★★ 5
Best choice! Absolutely necessary for anything above basic stock bass.
Bonded to services well, completely removed panel reverberation in my tacoma. Also really made the doors so much quieter even when closing. Very happy with the result. Used only one set on my 01 tacoma 4 door. Installed inside doors on exterior skin panel, over interior door panel access holes (sealing the door to provide backpressure to door speakers (left drains open)), roof panel, and back wall of cab. Achieved about 70% coverage and am very happy. 2 8in SKAR SVR8 at 1oh on walmart power acustic 2500 (only rated to ~800rms at 2oh, forum showed testing at 1oh worked about 1kw) in 6th order with blow through into cab. With cab gain, im over 130db between ~30 and ~50hz. This was a necessary addition!
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Reviewed in the United States on April 13, 2026
R
Verified Purchase
Rob Chapman
Port Orchard, US
★★★★★ 5
Nice and sticky
Works as it should. No complaints.
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Reviewed in the United States on May 8, 2026
N
Verified Purchase
Nick Wilson
Dallas, US
★★★★★ 5
Mak sure area is clean before you install
This works amazing, easy to use, great quality. Sticks down great, I will be ordering more for sure.
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Reviewed in the United States on April 29, 2026
S
Sam
Alexandria, US
★★★★★ 3
Looks good so far, will update once installed
Have not installed this yet, so this is only a first impression review. I bought it to use in the wheel well area on my truck, so I’ll update later once I actually get it on and see if it makes a real difference. So far it looks good out of the box and seems straightforward enough. One thing I’d recommend is making sure you have a sound deadening roller for install, because I would not try putting this on without one. Too early for me to say how well it works for road noise since it is not installed yet, but I wanted to post my initial thoughts for now and will update later.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026

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