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Porterfield R4-1 Carbon Kevlar Racing Brake Pad AP 227T R4-1

Price: $193.95
SKU: AP 227T R4-1
Porterfield R4-1 Carbon Kevlar Racing Brake Pad AP 227T R4-1
Porterfield R4-1 Carbon Kevlar Racing Brake Pad AP 227T R4-1
MakeModelSubModelNoteYear
AUDI100Front Brake Pads.1988-1989
AUDI100Front Brake Pads.1990-1991
AUDI100QUATTRO(Girling Calipers), Front Brake Pads.1989-1989
AUDI5000(12/80-2/86), Turbo, Gas Engine, Front Brake Pads.1980-1986
AUDI5000Front Brake Pads.1980-1988
AUDI5000QUATTRO CS TURBO(1985-12/85), Front Brake Pads.1985-1985
AUDI80(8/87-1992), Front Brake Pads.1987-1992
AUDI80QUATTRO(10/87-1992), w/ SOHC Engine, Front Brake Pads.1987-1992
AUDI90(8/87-1992), Front Brake Pads.1987-1992
AUDI90QUATTRO(10/87-1992), w/ SOHC Engine, Front Brake Pads.1987-1992
AUDI90QUATTRO20 Valve, (256mm Front Disc), Front Brake Pads.1990-1992
AUDIQUATTROFront Brake Pads.1982-1985
VOLKSWAGENCORRADOFront Brake Pads.1989-1995
VOLKSWAGENGOLFTDI1.9L Turbo Diesel, Front Brake Pads.1996-1996
VOLKSWAGENJETTATDI1.9L Turbo Diesel, Front Brake Pads.1996-1996
VOLKSWAGENPASSATGLXFront Brake Pads.1994-1994
VOLKSWAGENPASSATGLXVR6, Front Brake Pads.1993-1993
VOLKSWAGENPASSATGLXVR6, Front Brake Pads.1995-1995
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Porterfield Carbon Kevlar R4-1 Racing Brake Pad:
  AP 227T 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 Mu of .600 the R4-1 pad can reach close to a Mu 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 600F and peak temps are below 1,000F. This is also a good Rally-Cross brake pad.

Typical AP 227T R4-1 applications are Audi Quattro, 80, 90, 100, 5000 and VW Golf, Jetta, Passat and Corrado front brakes.
Made in the USA



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