SKU: 82568424480

Front Stoptech Power Slot Rotors - Set of 2 Rotors (321x30mm)

$171.00 $190.00
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Description

Front Stoptech Power Slot Rotors - Set of 2 Rotors (321x30mm)Power Slot Rotors Power Slot rotors are 1 piece, slotted, direct replacement discs for your factory brake system and stock calipers. They offer improved cooling as well as other advantages the competition doesn't offer. Launched in 1998, Power Slot was the first premium slotted replacement rotor program in North America. Innovations include e coating, double disc grinding, full machining, mill balancing and center split castings, as well as the



 Power Slot Rotors

Power Slot rotors are 1-piece, slotted, direct replacement discs for your factory brake system and stock calipers. They offer improved cooling as well as other advantages the competition doesn't offer. Launched in 1998, Power Slot was the first premium slotted replacement rotor program in North America. Innovations include e-coating, double-disc grinding, full machining, mill balancing and center-split castings, as well as the availability of directional vanes, cryogenic treatment and the use of Power Alloy. Today, Power Slot covers more than 2500 applications, all machined in Power Slot's California manufacturing center. Every Power Slot rotor is a direct replacement for a factory brake rotor, allowing the retention of factory calipers in the system.

Most Power Slot rotors match the original factory cooling vane design. In the most popular sports car and light truck applications, Power Slot has improved the design by using directional (left- and right-handed) vanes to improve cooling. This represents a distinct upgrade from the original equipment rotors, which usually feature a straight vane or pillar vane design. The directional vane is a more efficient air pump. The resulting increase in airflow translates into greater resistance to brake fade and faster recovery from temperature spikes generated by aggressive braking maneuvers.

Power Slot rotors feature a signature "short slot" design. The slot improves brake system performance by wiping away the debris of used friction material that otherwise accumulates between the rotor and pad. This keeps fresh pad material exposed to the rotor surface and helps prevent pad glazing. The edges sweeping the pad slightly increase the effective coefficient of friction, or "bite", amplifying brake system response to pedal input. By providing an escape path for water, slotted rotors can also improve initial brake response under wet conditions.

Every Power Slot rotor is finished with a black e-coating on both sides of the hat, inside the cooling vanes and on the outside edge. E-coating is a superior electro-statically applied finish designed to withstand 400 hours of salt water exposure without rusting. This is especially important on both mounting faces of the hat where it touches the hub flange and back face of the wheel. Any accumulation of rust in these areas can lead to installed lateral runout issues.

Power Slot rotors feature a double disc ground, taper free finish. Double disc grinding ensures parallelism, eliminates run out and provides near perfect disc thickness variation (DTV). Double disc grinding leaves a non-directional finish on the friction surface area for more effective pad and rotor break-in. This special finish also provides quieter and smoother stops.

Power Slot rotors feature 100 percent fully machined finishes including rotor hats. This extra process provides better rotor balance and creates a cleaner, more finished looking component.

Power Slot brake rotors are mill balanced to a tolerance of less than 2 oz-inch. This additional machining operation reduces feedback associated with rotor vibration and provides a smooth, confident application of braking force.

Center-split core castings provide proper heat transfer and thermal efficiency, resulting in superior braking power and safety.

Power Alloy metallurgy is another unique feature in many of Power Slot's rotors. Quality and performance live inside the rotor too. Choosing the correct foundry partner and working to improve the metallurgy are all part of Power Slot's continuous improvement process that helps to reach established targets for hardness and tensile strength. Many of Power Slot's top-selling part numbers are cast using this Power Alloy iron specification, an enhancement in the carbon and molybdenum content of the iron. Carbon and molybdenum promote crack resistance and improve noise, vibration and harshness (NVH).

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: 82568424480

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4.1 ★★★★★
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Verified Purchase
Heather Murphy
Birmingham, US
★★★★★ 5
Stress and worry free with asurions complete protect plan
Absolutely thrilled with asurions complete protect plan. Worth every penny. My son is on the spectrum, and is very rough with devices, and I myself, am clumsy and go through devices more than the average person. Asurions comply protect plan, holds true and does exactly as promised. It feels so good to know, that next time a device breaks, I don't have to worry and stress over affording a replacement. Claims take literally 5 minutes to file, and I've not yet had an issue with anything not being covered. The only problem I ever had, was initially finding out how to contact them and file a claim. Which is simple. Don't contact Amazon, go to asurions direct website and follow the prompts. I highly recommend asurions complete protect plan, if you like removing stress from your life, and feeling a bit of security.
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Reviewed in the United States on April 18, 2026
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Verified Purchase
Andrew Giberson
Louisville, US
★★★★★ 1
Worst company I’ve ever dealt with
This is probably the strongest version to use publicly because it stays factual, detailed, and angry without sounding unhinged. That’s what usually hits hardest with companies like Asurion because it reads like a documented timeline instead of just rage. I have never dealt with a more disorganized and concerning claims process in my life than what I experienced with Asurion regarding my DJI Mavic Mini Pro 5 drone claim. This entire nightmare started before the claim was even filed. For over TWO DAYS, multiple Asurion representatives insisted my product “wasn’t registered” and refused to process my claim. Meanwhile, Asurion’s own phone system literally states: “Great news, you no longer have to register your products.” Their own employees did not understand how their own system worked. I was transferred endlessly between departments, hung up on repeatedly, and even sent to Amazon support despite Amazon having nothing to do with the issue. It finally took speaking to a supervisor on the THIRD DAY for someone to admit they were wrong and manually file the claim. I mailed my drone on May 4th regarding a serious GPS/compass issue where the drone would unexpectedly drift or take off on its own while recording. Considering this is a nearly $2,000 flying device, this was obviously a major safety concern. Then things somehow got worse. On May 5th — less than 24 hours after receiving the drone — I got an email saying it had already shipped back to me. No repair details. No explanation. Nothing. When I called asking what repairs were actually performed, supervisor “CES” told me there were “no notes” explaining what had been done. She promised she would investigate personally and call me back within 24 hours. She never called back. On May 8th, after following up myself, another supervisor finally stated that the technician had “soldered/re-soldered” something on the drone. No explanation of WHAT was soldered. No detailed repair notes. No documentation. Nothing. This is a drone that had ZERO physical damage and had NEVER been crashed. I asked for written documentation of the repairs and was refused. I was told to “check the portal,” even though the portal contained absolutely no repair information whatsoever. Another supervisor apologized and promised to email me detailed information immediately. That never happened either. At this point, multiple supervisors had promised callbacks, documentation, and escalation reviews — and not a single one followed through. The drone arrived back while I was still on the phone with Asurion. I powered it on and immediately received compass calibration errors. The drone would not properly calibrate. So after all this, the drone STILL had issues. Instead of taking accountability, supervisor “Ryan” accused me of “chasing a reimbursement check,” which is insane considering Asurion themselves only offer two resolutions: repair or reimbursement. He repeatedly insisted that because I “received a service,” the issue was basically over. He refused to acknowledge my concerns regarding undocumented soldering repairs on a nearly $2,000 aircraft and ultimately hung up on me. Since then, the situation has only become more absurd. Some supervisors told me the situation was unacceptable and assured me I would likely be reimbursed if I mailed the drone back. Others told me they needed more photos, receipts, and serial numbers — despite the fact that all of this had already been submitted previously and somehow “disappeared” from their system. One representative demanded photos of a serial number physically located on the drone itself. I explained that DJI stores the serial information digitally through the controller/settings, something Asurion should absolutely know if they repair DJI drones professionally. That representative then refused to help me further and hung up. Days later, another representative suddenly approved a return shipping label anyway, making all the previous arguments and delays completely pointless. Now, after weeks of this chaos, I’ve been told by another supervisor not to even send the drone back yet because they “aren’t sure what they’re going to do.” I was explicitly told they may not repair it and may not reimburse it either. So to summarize: * Asurion employees didn’t understand their own registration system. * I was repeatedly hung up on and transferred around. * Multiple supervisors promised callbacks and never followed through. * My nearly $2,000 drone was “repaired” in under 24 hours with vague undocumented soldering work. * Nobody can tell me exactly what was repaired. * The drone still had calibration issues immediately after return. * Supervisors contradicted each other constantly. * Previously submitted documents mysteriously disappeared. * I was accused of “chasing a check” for wanting accountability regarding a failed repair. * I still don’t know whether they plan to repair, reimburse, or do nothing. This has been one of the most frustrating, unprofessional, and concerning customer service experiences I have ever dealt with.
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Reviewed in the United States on January 13, 2026
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Verified Purchase
Mike 77373
Natrona Heights, US
★★★★★ 5
Love it.
Color: Yellow
I bought this because it works great with my DeWalt battery. My driveway was overgrown and it locked up a couple of times which I'm assuming is a safety feature. Once I got the driveway cleaned up it works just fine.
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Reviewed in the United States on April 25, 2026
J
Verified Purchase
J. Owens
Port Orchard, US
★★★★★ 5
My favorite E edger so far.
Color: Yellow
For a battery powered unit, it was much better than I expected. Powerful enough to do everything in my yard. It beats even some of my previous good gas ones. I did my whole large front yard with a little more than one battery. Pretty good, actually.
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Reviewed in the United States on April 5, 2026
G
Verified Purchase
Gregory M. Spitzer
Los Angeles, US
★★★★★ 4
Does a good job, and works pretty well. Took weeks to have it delivered.
Works pretty well, seems to be slightly underpowered. I think it would work better if the soil here were drier. The shroud around the blade would probably not jam up with dirt if the soil here is drier. I was constantly having to remove the battery and using a screwdriver to remove the dirt from the shroud. The shroud would work better if it was larger. There is an adjuster that lowers a metal guide that fits up against the concrete that helps you to keep the blade right up to the edge, make sure to lower that guide into place. The 20 Volt Max batteries I used are hard to insert and remove, but mine are aftermarket batteries, and another tool I own is also hard to insert and remove the same batteries.
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Reviewed in the United States on June 18, 2025

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