Good-Win Racing Mazda Performance Parts

MIATA MX5 Slotted REAR 90-93

1990-1993

Miata 1990-2005 · Brakes · Rotors


Part Number: 60-1125

Application: 1990-1993

Price: $139.00

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MIATA MX5 Slotted REAR 90-93
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The highest quality alloyed gray iron composition is heat treated to relieve casting stress, straight slots, surface EDP Coating w/cross cut grinding on friction surface. These are dynamically balanced after slotting to ensure vibration-free use at high speed...critical in an open top car like the Miata.

The slots wipe away the white-hot boundary layer from the disc and pad to increase braking efficiency, particularly in wet conditions.

The rotor is painted using an "electro-deposition" process for the very best in rust prevention.

Price is for A PAIR!

*** Product images may differ from actual product appearance ***

REVIEWS

After reading many other positive reviews on both the GWR and Miata forums I finally decided to buy this product. My main concern for many months was whether or not I was up to the task of installing the header. But with the excellent instructions on Brian's forum as well as several Miata forum threads it turned out easier than I expected. After receiving notice that the header would arrive on a Friday afternoon, I began the disassembly process. After about 3 hours I had the stock manifold out. Later that afternoon the new catted header arrived right on schedule. And it is a thing of beauty. I opted for the stainless version. Installation on Saturday morning took another 3 hours, although I could have shaved some time off of that but I was actually enjoying the process of double checking torque values and cleaning up my engine compartment. I already have the GWR catted midpipe, so that connection was a snap. I put everything back together, reconnected my battery, and went for a drive. NO CODES! Nice throaty sound with my RSII muffler, and a significant boost in power and low/mid torque. Another happy camper here. I since have added a M-E tune and I feel I have realized all of the gains that Brian has achieved on his 2012 project Miata. I've put several hundred miles on my Miata since the install with zero problems. This is the car that Mazda should have built all along. Thanks Brian.

-- Ron P.

I received the Roadstersport II, and I wanted to compliment you guys on an awesome product. The Miata should have these on from the factory. They make a great sound, that is not obnoxious at all. The exhaust also installed seamlessly!!! I will buy all of my Miata stuff from you in the future. Thanks,

-- Nate