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Porterfield R4-1 Carbon Kevlar Racing Brake Pad AP 721 R4-1

Our Products: Brakes > Brake Pads > Porterfield Brake Pads
Price: $165.95
SKU: AP 721 R4-1
Brand: Porterfield
Porterfield R4-1 Carbon Kevlar Racing Brake Pad AP 721 R4-1
Porterfield R4-1 Carbon Kevlar Racing Brake Pad AP 721 R4-1

MakeModelSubModelNoteYear
SUBARUFORESTER(98-2/02), Front Brake Pads.1998-2002
SUBARUIMPREZARS, Front Brake Pads.1998-2001
SUBARUIMPREZAWRX(02-12/02), Front Brake Pads.2002-2002
SUBARULEGACYOutback, Front Brake Pads.2000-2001
SUBARULEGACYSedan - GT, w/R.Disc, Front Brake Pads.1997-1999
SUBARULEGACYSedan - L, L-S (02-4/02), Front Brake Pads.2002-2002
SUBARULEGACYSedan - LS, w/R.Disc, Front Brake Pads.1997-1997
SUBARULEGACYSedan - LTD, w/R.Disc, Front Brake Pads.1998-1998
SUBARULEGACYSedan, Front Brake Pads.2000-2001
SUBARULEGACYWagon - Brighton (5/01-4/02), Front Brake Pads.2001-2002
SUBARULEGACYWagon - GT, L, Front Brake Pads.2000-2001
SUBARULEGACYWagon - GT, LSi, Outback, Front Brake Pads.1997-1997
SUBARULEGACYWagon - GT, Outback, Front Brake Pads.1998-1999
SUBARULEGACYWagon - L, L-S (02-4/02), Front Brake Pads.2002-2002

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Porterfield Carbon Kevlar R4-1 Racing Brake Pad:  AP 721 R4-1 

Porterfield R4-1 Carbon Kevlar Racing Brake Pads were developed and tested in the Vintage Racing community. Because of the high coefficient of friction (?) at low temperatures, these are fast becoming the Autocross brake pad of choice. A peak ? of .600 the R4-1 pad can reach close to ? of .500 at temperatures as low as 200?F. The R4-1 brake pads are widely used on Vintage GT and Formula car where pad temps are under 600?F and peak temps are below 1,000?F. This is also a good Rally-Cross brake pad.

Typical AP 721 R4-1 applications are Subaru Forester, Impreza RS, Impreza WRX, Legacy sedan, wagon and Outback..

Made in the USA



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