Good-Win Racing Mazda Performance Parts

Porterfield R4-1 brake pads- FRONT

1990-1993

Autocross/Light Track

Miata 1990-2005 · Brakes · Pads


Part Number: 61-1082c

Application: 1990-1993

Price: $139.00

Quantity:

Porterfield R4-1 brake pads- FRONT
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Set of 4 FRONT brake pads, fits on 1990-93 Miata

This high friction racing material has grown to be a very popular choice for drivers who need the highest possible friction with a low pad temperature. Developed and tested in the vintage racing community the R4-1 gives an average coefficient of friction of .56 with peak levels up to .600. Having tremendous stopping power, the R4-1 pad material can reach upwards of .5 friction level when pad temperature is a very low 200 F .

Drivers can still have a high friction brake pad without worry of the pad becoming too cold to be effective when the car is driven only moderately. For use when pad temperatures are under 600 F and peak temperatures are not over 1000 F. Widely used on Vintage GT and formula cars the R4-1 has gained great popularity as an excellent auto-cross, off-road and rally-cross pad material. Great modulation, consistent pedal feedback and the same rotor friendliness as our other carbon kevlar compounds.

Brian's Notes: This is THE pad I use on my daily driver that goes from streets to track to autocross and back again. Few pads can do it all, and it will make noise when cold but nothing else does it all like this pad.

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

REVIEWS

Hey Brian, Recieved my Borla Dual Muffler Sport today from Fedex, and installed it in about 30-45 minutes. An Outstanding product with absolutely no drone throughout the power band, it sounds powerful, not at all like one of the ricey "fart tubes" that can be found elsewhere online. It has perfect like OEM fitment. Great prices, and great products. Product was shipped promptly and arrived as ordered. Would buy again!

-- Jake

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-- Paul Young