SKU: 3052926655

BM9-HDR4 - HD/Race Rigid 4 Pad

Sale price$387.90 Regular price$431.00
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Ships within 48 hours · Estimated delivery Sep 17 - Sep 22

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Description

BM9-HDR4 - HD/Race Rigid 4 PadSpecifications: Item Description: HD Race Rigid 4 Pad Product Weight (lbs.): 12. 7 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 HDR4 kit features ACT's most popular Heavy Duty pressure plate. These pressure plates utilize an

Specifications:

  • Item Description: HD/Race Rigid 4 Pad
  • Product Weight (lbs.): 12.7
  • 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-HDR4 kit features ACT's most popular Heavy Duty pressure plate. These pressure plates utilize an exclusive diaphragm design to increase clamp load, reduce deflection, and maximize clutch life. All diaphragms undergo a four-stage, heat-treating process for unparalleled performance. Precision cover stampings ensure rigidity and consistency.

Paired with ACT's 4-pad rigid race discs made with high-quality ceramic friction materials, this setup ensures durability and optimal performance on the track. The chrome-moly hub is heat-treated for strength and durability, while the lightweight, rigid design allows for quicker shifts and smooth, trouble-free service.

Description:

  • 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, uses 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:

  • 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: 3052926655

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4.0 ★★★★★
Based on 25 reviews
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G
Verified Purchase
Glowing Woman2
Battle Creek, US
★★★★★ 4
Floss leaves mouth super clean!
I’ve been really irritated by tooth paste co’s dental floss products either being too small/not lasting very long or too waxy/sticky, too minty so I searched for better dental floss and found it with BURST CHARCOAL FLOSS! The floss is black/coated by charcoal and has a smooth non sticky feel to it with a nice subtle mint flavor. Putting the bobbin in the refillable container (another plus reusing container) was slightly tricky because it doesn’t pop off easily and instructions were somewhat vague. After watching a Burst video on YouTube, you turn the container upside down & squeeze the edges w/ tabs & it pops off. The bobbin that came with the kit looks smaller than the pix, we’ll see how long it last. Actual flossing was great, the floss really flattens or expands as it’s pulled between teeth. The floss being black shows and cleans even more gunk from between teeth/gums leaving mouth fresh and super clean. It’s exactly what I was looking for, I highly recommend this product. Only drawback is the smallish size of initial bobbin, took one off star but that can be remedied by Burst co, should more ppl agree & comment. Happy flossing!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2021
D
Verified Purchase
D H
Houston, US
★★★★★ 5
I love this case. It’s functional and very pretty.
I found out that the dental floss I’d been using for years is coated in PFAS and other forever chemicals, so I switched to brand that didn’t have any of that. The obvious upside is that I don’t have to worry about those chemicals anymore and get great expanding floss, but the floss comes in a paper case. That case is functional, but I floss and brush a few times a day so I knew that I wanted something that was more durable. I saw this case and fell in love when I saw it and after a couple months of using it, I’m still in love with it. It’s easy to refill, durable and so pretty. Overall just frustration free. It adds a special touch to my flossing routine and elevates that experience for me. The floss that comes with it is great too. It was my first time using charcoal floss and I liked it. I kind of wish they offered the case in a variety of colors as a standalone item, so I can chose my own floss (or a mix to try out the different flavors), but that’s not a big deal and for take away from anything.
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Reviewed in the United States on January 13, 2024
A
Verified Purchase
Amazon Customer
Grantham, US
★★★★★ 5
A better floss
The wife loves this. It does remove more plaque than other floss. Its woven so it appears to grab more gunk and plaque. It is also thicker so it fits tighter between the teeth. Good product and worth the $. Would recommend.
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Reviewed in the United States on August 3, 2025
K
Verified Purchase
Kelsen
Massapequa, US
★★★★★ 3
Floss itself is great, dispensing unit is a pain
I like the floss, as it’s relatively thick and has a tacky feel that I assume helps remove material on the tooth. But man, did they over engineer their floss dispenser. Have to simultaneously pinch two small recessed levers to pop open the case which is nigh impossible if you bite your nails. Then have to remove an inside cover, then thread floss, then carefully snap it all back. It’s so intricate that you have to download a PDF via QRG to understand it. Compare to Dr Tungs floss where the dispenser is cardboard and you’re good to go after folding one flap. Continued use will depend on whether my wife can use her nails to operate the dispenser unit to refill.
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Reviewed in the United States on May 25, 2024
E
Verified Purchase
Efren
Waukegan, US
★★★★★ 5
It’s gentle on my gums
My favorite have been using this for years. Highly recommend. The experience is amazing
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026

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