Good-Win Racing Mazda Performance Parts

Porterfield R4S -STREET Rear

2006-2015

Performance Street/Autocross

Miata MX5 2006-2015 · Brakes · Pads


Part Number: 61-0334

Application: 2006-2015

Price: $99.00

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Porterfield R4S -STREET Rear
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The "S" is for street. These are an old favorite of mine. They work great for street/autocross and light track duty. They dust a bit but the performance is consistent from street temps to about 500 degrees. For more serious race duty try the Porterfield R4.
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REVIEWS

Thanks for making this work and providing great customer service! I had a full weekend with the install, but man was it worth it. The flywheel was such a good choice. I can't believe how much easier rev-matching down shifts are. The ACT is surprisingly easy to live with, even with the engagement point very low. I'll tackle that when it stops raining. Thanks again for making this happen this weekend.

-- Brian H

You guys are great! The new suspension is in and the ride is much improved. Thanks for the great service.

-- Chuck