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Mazda Porterfield Rear - R4S High Performance Street Brake Pads

For high performance and increase in stopping ability with a very minimum amount of pedal effort. We have also gone to great measures to ensure that the R4-S compound have the absolute lowest noise and dust levels, far below O.E.M. equipment or any other high performance brake material. This is an amazingly fast stopping brake pad. Great for autocrossing, drivers schools, solo events, and rallys. The R4-S compound is available for virtually any vehicle sold in the US. We also offer the R4-S in pad sizes for competition type calipers that are used under street driven conditions. The Porterfield R4-S compound has become a consistent top performer in the realm of high performance/street brake pads. Perfect for prolonged everyday street use while also being capable of tolerating the most severe use without any fade.

All Mazda Porterfield Rear - R4S High Performance Street Brake Pads
View All Mazda 3 Brake Pads
Mazda 3Price
(2004) Rear$119.95  Add to Cart
View All Mazda 323 Brake Pads
Mazda 323Price
(1979-1982) i - European Version - Rear$79.95  Add to Cart
(1986-1989) 2wd - Rear$69.95  Add to Cart
(1988-1989) GTX 4wd - Rear$69.95  Add to Cart
(1998) iS - Rear$79.95  Add to Cart
Rear$79.95  Add to Cart
View All Mazda 6 Brake Pads
Mazda 6Price
(2003-2004) Rear$69.95  Add to Cart
View All Mazda Miata Brake Pads
Mazda MiataPrice
(1989-1993) Rear$69.95  Add to Cart
(1994-2000) Rear$69.95  Add to Cart
(2001-2004) Hard or Sport Susp. - Rear$99.95  Add to Cart
Normal Suspension - Rear$69.95  Add to Cart
(2004) Mazdaspeed MX-5 Turbo - Rear$99.95  Add to Cart
View All Mazda MX-6 Brake Pads
Mazda MX-6Price
(1988-1992) 2ws - Rear$69.95  Add to Cart
4ws - Rear$69.95  Add to Cart
(1993-1997) Rear$69.95  Add to Cart
(1998-2002) 2.5L - Rear$69.95  Add to Cart
View All Mazda Protege Brake Pads
Mazda ProtegePrice
(1997-1998) DOHC eng - Rear$69.95  Add to Cart
(1999-2001) 1.6L Eng - Rear$89.95  Add to Cart
(1999-2000) 1.8L Eng - Rear$89.95  Add to Cart
(2001) 2.0L Eng ES - Rear$99.95  Add to Cart
2.0L Eng LX - Rear$89.95  Add to Cart
(2002-2003) DX - Rear$89.95  Add to Cart
ES - Rear$99.95  Add to Cart
LX - Rear$89.95  Add to Cart
(2003) Mazdaspeed - Rear$69.95  Add to Cart
View All Mazda Protege5 Brake Pads
Mazda Protege5Price
(2002-2003) Rear$99.95  Add to Cart
View All Mazda RX-7 Brake Pads
Mazda RX-7Price
(1981-1983) Rear$69.95  Add to Cart
(1984-1985) GSL 12A - Rear$69.95  Add to Cart
GSL-SE 13B - Rear$69.95  Add to Cart
(1986-1988) 4lug - Rear$69.95  Add to Cart
5lug - Rear$69.95  Add to Cart
Turbo - Rear$69.95  Add to Cart
(1989-1992) w/Solid Rear Disc - Rear$69.95  Add to Cart
w/Vented Rear Disc - Rear$69.95  Add to Cart
(1993-1995) Rear$69.95  Add to Cart
View All Mazda RX-8 Brake Pads
Mazda RX-8Price
(2004) Normal Susp. Automatic - Rear$119.95  Add to Cart
Sport Susp 6-Speed - Rear$119.95  Add to Cart
Sport Susp Automatic - Rear$119.95  Add to Cart
 
This product also fits other vehicles.

All Porterfield Rear - R4S High Performance Street Brake Pads
 
 
Porterfield Rear - R4S High Performance Street Brake Pad Reviews
  (8.9 of 10) 14 Reviews    Write Review
RatingDateModelReview
902/16/2011CorollaThese pads are awesome for the daily driver and weekend warrior. They are quiet and stop you good, where a seat-belt with these. My only downer and I know it is because of what the pads are for, but it does take a little warm up. So if you have been cruising on the high way for a little when you go to hit your brakes give it a couple taps to warm them up. On the track FLAWLESS for light weight under-power car.
904/12/2010SupraWork great driving around town, some squeal from one on very light braking, Bought them to drag race, hold 2 psi great start to push though them at 5psi went from 13.10 to 12.89 just with a brake pad change thanks guys
609/24/2008M3Decent street pad, little dust which is easy to clean. Does not perform as well as other pads in the high performance street category, falls more in the dust free category. I would buy again for a daily driver, but not up for AutoX or track.
911/19/2007240SXGreat pad! They stop at any temp. I haven't gotten any brake from them. Only thing that I don't like is that they bite hard and fast. It a touchy pad for pedal feel if you get what I mean.
1005/09/2007CLK430Right parts, worked perfectly. Just what I wanted. Thanks.
1003/18/2007CLK430These pads are great. Excellent stopping power, very little dust. I have them matched with Brembo Drilled Rotors on a Mercedes CLK430. I take frequest drives up the CA coast line and through the mountains. After having this combo, I won't use anything else.
1011/21/2006WRXpads went on easily, and were easy to break in. Have not had the car to the track yet to fully test the increase in performance, but brake feel is much improved over stock pads. I have used these pads in the past on other mixed use (street/track) cars, and they work well on the street, and fantastic at the track for open lapping days.
1011/14/2006SupraI actually order it for my boyfriend, so it works fine or he will be having a nervous breakdown. Thanks, HPF
804/29/2006MR2Good pads, no sqeaking or noises, smooth engagement. I really like them and gave a noticable improvement in stopping power. They seem to be wearing very well too. Only 2 issues I have is that they do seem to dust more than expected, wheels get dirty after a couple days, and second on really cold mornings you can tell the first time you hit the brakes they take a split second to warm and grab as intended.
702/18/2006240SXI have a 89 nissian 240sx with the q45 brake upgrade in the front and stock calipers in the rear. I purchased the porterfield pads for the q45 front and 240sx rear to fit accordigly. After a slight mix up due to mis-labeling of a box on porterfields side- and a few calls to Horsepower freaks everything was taken care of, with no problems. Installing the pads were straight forward so I was driving on them the same day. Brake in time was alittle akward as I was still getting used to the bigger calipers and rotors. Once a week had passed and the bias was set the pads worked well, they take a bit to heat up but once to temp they bite very well, almost to well- they are more like an on/off switch, difficult to modulate, perhaps since I am still using the smaller master celender. The dusting on the pads are pretty bad but its what to expect when you want a performance set up. All in all they did very well for the price and application, I have since driven on titan kai from project MU and some endless, both were better performers but they also cose double the price and are almost impossable to find.
802/03/2006SupraAn improvement over stock. easy install and fit well. I suggest you add S.S brake lines at the time of install. Makes for a good combination.
14 Reviews

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