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Porterfield R4-1 Carbon Kevlar Racing Brake Pad AP 174 R4-1

Our Products: Brakes > Brake Pads > Porterfield Brake Pads
Price: $174.95
SKU: AP 174 R4-1
Brand: Porterfield
Porterfield R4-1 Carbon Kevlar Racing Brake Pad AP 174 R4-1
Porterfield R4-1 Carbon Kevlar Racing Brake Pad AP 174 R4-1

MakeModelSubModelNoteYear
ALFA ROMEOGTV6Front Brake Pads.1980-1986
ALFA ROMEOMILANOFront Brake Pads.1986-1989
BMW320iE21, Front Brake Pads.1977-1983
BREMBO07.4180.CALIPER FAMILY E15mm1111-1111
LOTUSESPRIT85-12/86, Front Brake Pads.1985-1986
LOTUSESPRITw/ ATE Caliper, Front Brake Pads.1975-1984

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Porterfield Carbon Kevlar R4-1 Racing Brake Pad:  AP 174 R4-1 

Porterfield R4-1 Carbon Kevlar Racing Brake Pads were developed and tested in the Vintage Racing community. Because of the high coeffecant 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 174 R4-1 applications are Alfa Romeo GTV-6 and Milano. BMW E21 320i. Lotus Esprit..

Made in the USA



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