SKU: 62598014360

BM9-HDG4 - HD/Race Sprung 4 Pad

Sale price$407.25 Regular price$452.50
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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6

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Description

BM9-HDG4 - HD/Race Sprung 4 PadSpecifications: Item Description: HD Race Sprung 4 Pad Product Weight (lbs.): 14. 8 Torque Capacity (ft lbs.): 596 Torque Capacity Over OE: 94% Disc Material: Ceramic Clutch Disc Diameter (Inches): 9. 4 Clutch Disc Diameter (Millimeters): 240 Input Shaft Diameter (inches): 1. 375 Pressure Plate Type: Heavy Duty Warranty: 12 Months Description: The BM9 HDG4 kit features ACT's popular Heavy Duty pressure plate designed for high performance racing and

Specifications:

  • Item Description: HD/Race Sprung 4 Pad
  • Product Weight (lbs.): 14.8
  • Torque Capacity (ft/lbs.): 596
  • Torque Capacity Over OE: 94%
  • Disc Material: Ceramic
  • Clutch Disc Diameter (Inches): 9.4
  • Clutch Disc Diameter (Millimeters): 240
  • Input Shaft Diameter (inches): 1.375
  • Pressure Plate Type: Heavy Duty
  • Warranty: 12 Months

Description:

The BM9-HDG4 kit features ACT's popular Heavy Duty pressure plate designed for high-performance racing and street applications. These pressure plates utilize an exclusive diaphragm design to increase clamp load, reduce deflection, and maximize clutch life. Each diaphragm undergoes a four-stage heat-treating process for superior performance. Precision cover stampings ensure rigidity and consistency.

Paired with ACT's 4-pad spring-centered race disc, made with high-quality ceramic friction materials, this setup provides durability and optimal performance. The spring-center construction effectively dampens torsional vibrations for quieter operation and resists failure even under harsh conditions. ACT spring retainers enhance spring support, reduce stress concentrations, and increase strength and reliability.

Description:

  • 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:

  • Application: Engine
    • 2001 BMW M3 Base 3.2 L6 GAS FI 3246cc | DOHC | Naturally Aspirated
    • 2002 BMW M3 Base 3.2 L6 GAS FI 3246cc | DOHC | Naturally Aspirated
    • 2003 BMW M3 Base 3.2 L6 GAS FI 3246cc | DOHC | Naturally Aspirated
    • 2004 BMW M3 Base 3.2 L6 GAS FI 3246cc | DOHC | Naturally Aspirated
    • 2005 BMW M3 Base 3.2 L6 GAS FI 3246cc | DOHC | Naturally Aspirated
    • 2006 BMW M3 Base 3.2 L6 GAS FI 3246cc | DOHC | Naturally Aspirated
    • 2001 BMW M3 E46 [Euro] 3.2L I6 FI| NA
    • 2002 BMW M3 E46 [Euro] 3.2L I6 FI| NA
    • 2003 BMW M3 E46 [Euro] 3.2L I6 FI| NA
    • 2004 BMW M3 E46 [Euro] 3.2L I6 FI| NA
    • 2005 BMW M3 E46 [Euro] 3.2L I6 FI| NA
    • 2006 BMW M3 E46 [Euro] 3.2L I6 FI| NA

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: 62598014360

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4.2 ★★★★★
Based on 18 reviews
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Lucy Mejia
Alexandria, US
★★★★★ 5
So will not write down your foot
Size: Medium, Color: (001) Black / Black / Castlerock
I love these socks. They have a little bit of gel on the top of the heel for support in your tennis shoes and so your socks don’t write down. Very good quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
T
Verified Purchase
Twins9
Lake Worth, US
★★★★★ 5
Comfy and Stay Put
Size: Medium, Color: (002) Black / Black / Halo Gray
These socks are honestly great. They’re super thin and light, so once you have them on, you kind of forget they’re even there. No bulky feeling in your shoes at all. The best part is they actually stay on. I hate no-show socks that slide down after five minutes, and these don’t do that. The little grip on the heel really works, so you’re not constantly adjusting them all day. They’re breathable too, which is nice if your feet run warm. They dry fast and don’t get that gross sweaty feeling. And there’s no annoying seam on the toe, so nothing rubs or feels uncomfortable. Basically, they’re just comfy, stay put, and don’t cause problems — which is all I want from socks.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 16, 2026
S
Verified Purchase
swwkennyg
Massapequa, US
★★★★★ 5
Perfect sucks
Size: Medium, Color: (001) Black / Black / Castlerock
Wonderful socks . The weight is perfect !! These do not slip when in a shoe they stay out !!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
M
Verified Purchase
Monica Alzate
Massapequa, US
★★★★★ 4
Amazing but quality changed
Size: Large, Color: (002) Black / Black / Halo Gray
Love these socks so much, been buying them for about 4 years now!! Not giving them 5 stars anymore because the quality is different and not as good, durable and thick as before.
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Reviewed in the United States on July 10, 2025
H
Verified Purchase
Heather260
West Palm Beach, US
★★★★★ 5
The best no show socks
The only no show socks I have ever found that do not slide down. These are very comfortable and the extra tab on the back provides comfort by keeping shoes from rubbing the back of your foot. The top of the sock also comes up high enough to cushion the top of your foot all while still remaining hidden while wearing tennis shoes or even with my hey dudes.
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Reviewed in the United States on November 30, 2025

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