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Porterfield R4-1 RACE RX8 Brake Pads FRONT FOR OUR Racing BRAKE RB400 FOUR PISTON CALIPERS for RX8 2004-2011
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Porterfield R4-1 RACE RX8 Brake Pads FRONT FOR OUR Racing BRAKE RB400 FOUR PISTON CALIPERS

2004-2011

PART NUMBER: 61-0355RB400

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Price: $159.00

Quantity:

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Free shipping offers apply only to destinations within US Lower 48.

Price: $159.00

Quantity:

FREE SHIPPING

Free shipping offers apply only to destinations within US Lower 48.

DESCRIPTION

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 APPLICATION NOTES: This is the MOST aggressive pad you can actually leave on the car between events that has heat range to handle normal street use too....at least in warmer climates. For our RACING BRAKE RX8 big Brake Front kits with RB400 caliper (current caliper in the kit, pictured below...notice CENTER bridge bolt)>

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