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Porterfield R4-1 Carbon Kevlar Racing Brake Pad AP 947 R4-1

Our Products: Brakes > Brake Pads > Porterfield Brake Pads
Price: $211.95
SKU: AP 947 R4-1
Brand: Porterfield
Porterfield R4-1 Carbon Kevlar Racing Brake Pad AP 947 R4-1
Porterfield R4-1 Carbon Kevlar Racing Brake Pad AP 947 R4-1

MakeModelSubModelNoteYear
BMWM3E46, Competition Pkg.; Front Brake Pads.2005-2006
BMWZ4E85/E86, M (from 1/06); Front Brake Pads.2006-2008

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Porterfield Carbon Kevlar R4-1 Racing Brake Pad:? AP 947 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 947 R4-1 applications are BMW E45 M3 Competition Package and Z4 M front brakes..

Made in the USA



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