disc-brake-rotors

StopTech 127.42021CL - StopTech Sport Rotors Rear Left

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This part fits

  1. 1985 Nissan 300ZX 2+2 3.0L V6 cc:2960
  2. 1985 Nissan 300ZX 2+2 Naturally Aspirated 3.0L V6 cc:2960
  3. 1985 Nissan 300ZX Base Naturally Aspirated 3.0L V6 cc:2960
  4. 1984 Nissan 300ZX 2+2 3.0L V6 cc:2960
  5. 1984 Nissan 300ZX 2+2 Naturally Aspirated 3.0L V6 cc:2960
  6. 1984 Nissan 300ZX Base Naturally Aspirated 3.0L V6 cc:2960
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About this product

Part #: 127.42021CL

StopTech Sport Rotors are also available with an optional cryogenic treatment. Although cryogenic treatment is invisible to the naked eye, many fleet customers are sold on its ability to extend the service life of the brake rotor. Deep cryogenic treatment is a one-time process that permanently improves the performance and wear characteristics of metal components, from brake rotors and engine parts to machine tools and gear sets. All new StopTech Sport Rotors may be ordered with cryogenic treatment for an additional fee.

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See what our community says about stoptech products

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What made you choose this particular product?
I wanted an upgrade from stock without going crazy. These seemed like the best balance of performance and economy.
What were you trying to accomplish by adding this product?
Add more stopping power and replace worn factory parts.
Was it easy install? Any installation tips that will help others?
I had it professionally installed. I don't trust myself with brake work.
Once you’ve had a chance to use the product, did it meet your expectations?
So far they're incredibly effective and still quiet.
View on Sean's build
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What made you choose this particular product?
Looking at Plain vs Slotted vs Drilled vs Drilled and slotted I chose Slotted. They're the most effective choice in braking. They're also vented.
What were you trying to accomplish by adding this product?
Improved braking and cooling of the rotors.
View on Joey's build
Dmytro Marchenko

116

Dmytro Marchenko
2013 BMW 128i
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What made you choose this particular product?
Good performance for the price, and had people personally recommend as a good balance of cold stopping performance and holding up to high temp braking conditions
What were you trying to accomplish by adding this product?
Old brakes were only able to hold up to less than 5 minutes of hard-driving on mountain backroads before fading and once faded great reduction in stopping power. I was looking for pads to reduce fade while still performing decently when cold while staying under a tight budget.
Was it easy install? Any installation tips that will help others?
No issues with installation, same fit as oem pads.
Once you’ve had a chance to use the product, did it meet your expectations?
Noticeable difference compared to the oem bmw pads. The oem pads certainly perform better when cold where the Stoptech pads needed a few medium to hard stops to get them to operating temp, but they still stopped when cold. The stoptech pads hold up much better under continous braking during hard driving on backroads and rarely faded, but when they did, they still performed almost as good when unfaded, but with additional pedal travel. Overall satisfied with the performance you get for the price.
Any additional comments?
Created a lot of brakes dust
View on Dmytro's build
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Any additional comments?
Nice that they come with all the metal replacement shims/brackets.
View on Chris's build
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What made you choose this particular product?
These stainless brake lines were originally put on the car before the brake upgrade was done. They are the upgrade for the rear of the car.
Was it easy install? Any installation tips that will help others?
These were easy to install, and work with the upgraded SRT brake calipers without problem.
View on James's build
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