Good-Win Racing Mazda Performance Parts

Porterfield R4-1 race Miata brake pads (REAR) SPORT Size

2001-2005 · Sports Suspension

Autocross/Light Track

Miata 1990-2005 · Brakes · Pads

Part Number: 60-1039R1

Year: 2001-2005

Application: Sports Suspension

Price: $129.00


Porterfield R4-1 race Miata brake pads (REAR) SPORT Size
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Set of 4 REAR brake pads, fits rear 2001-2005 Miata with SPORT brakes

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.

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


As you can see, i placed another order for more parts for my car. I wanted you to know that I'm pleased at how quickly the wheels/tires came, and the radiator too. Great service and response time.

-- Jeff D.

I should thank you. The parts ordered have greatly enhanced my MX-5 and they were received well before I could have reasonably expected them. I'm an enthusiastic new customer. Regards, John

-- John W.