SKU: 80008040140

Porterfield Brake Pads for 2004 CADILLAC SRX

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Description

Porterfield Brake Pads for 2004 CADILLAC SRXPorterfield Brake Pads for 2004 CADILLAC SRX Porterfield R4 Porterfield R4 Carbon Kevlar based brake pads were fully designed for heavy duty extreme motorsports use. Its one of the the few true motorsports competition pads available on the market today. The carbon based semi metallic R4 brake material allows the brake pad to absorb huge amounts of heat and dissipate it quickly and evenly over time. The Carbon Kevlar material also allows the brake pad

Porterfield Brake Pads for 2004 CADILLAC SRX

Porterfield R4

Porterfield R4 Carbon Kevlar based brake pads were fully designed for heavy-duty extreme motorsports use. Its one of the the few true motorsports competition pads available on the market today. The carbon based semi metallic R4 brake material allows the brake pad to absorb huge amounts of heat and dissipate it quickly and evenly over time. The Carbon-Kevlar material also allows the brake pad to heat up to operating temperature right away so little pad warmup is required for optimal operating condition. This compound also requires very little bed-in so that one is able to change out the pads and almost immediately able use them to their full potential.

R4 series provides high initial bite for immediate brake response while yielding extremely consistent modulation and predictability. This is great for all road courses, oval track, rally, vintage racing, autocross, club events, and professional driving events. This is one of the best motorsports pads we have used. Available for many applications, so please contact us if you do not see one for your car.

Porterfield R4-1

The R4-1 Vintage Full Race Compound was developed using knowledge testing in the vintage racing community. Optimum uses for the R4-1, under conditions where very high friction is needed with minimal warm up time and in applications where there is difficulty in maintaining sufficient heat with conventional race pad compounds. Widely used on vintage GT and formula cars the R4-1 is also gaining popularity in off-road and rally-cross classes. Great modulation, consistent pedal feedback and rotor friendly at all temperatures as with all the other Porterfield Carbon Kevlar compounds.

Porterfield R4-E

The R4-E Endurance Race Compound is a carbon kevlar compound made to last a bit longer than the original R-4 compound. The R4-E compound is designed to endure higher prolonged temperature and still has pad life as long or longer than Porterfield R-4 do. This pad is great for club enduro events and applications where temperatures are at their maximum.

Porterfield R4-S

Porterfield R4-S high performance street and autocross brake pads are great for heavy-duty street and light track applications. Compound is perfect for everyday use while still keeping the highly capable track ready performance. The R4-S features a high friction level that will increase your stopping power with minimal pedal effort.

The R4-S series pads are VERY VERY rotor friendly and yield very low levels of dust; levels are far below OEM equipment or any other high performance brake pads. Your car will stop better and your wheels will stay cleaner longer. Good for autocross, rallies, driving school, and of course daily driving with a little extra stopping power. R4-S pads are available for virtually all vehicles sold in the US and custom R4-S pad sizes for competition style calipers are also available.

This is one of the very best all around street/strip brake pads available at a great price.

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SKU: 80008040140

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4.6 ★★★★★
Based on 22 reviews
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Product Reviews
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lucaberta
Louisville, US
★★★★★ 5
An important book to read, and whose concepts MUSTbe put into practice
Format: Kindle
As an admirer of the work that Dan Sullivan and Benjamin Hardy have done individually, I was sure that a collaboration, two “whos” getting together, would be a good hit. And a good it it is! The issue with these kind of books is what happens immediately after one has finished reading them. The issue is to put things into practice, and change the way we do things. This requires thinking, and thinking is hard, and in most cases we do NOT dedicate time to thinking, so the concepts slide into the past, and no change happens. Time for me, and everyone, to change this default state. This review is just the start of a written reflection, a “thinking on paper” exercise, like my friend and great thinker Jean Moroney calls it. For me, it’s time to shift to my journal. For you, dear readers, it’s time to get this book and read it. Make Dan and Ben your “whos”. Now.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2021
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Drew Lipold
Lake Worth, US
★★★★★ 5
A must read
Format: Kindle
Every entrepreneur should read this book at the beginning of their journey. “Who Not How”, provides valuable insight needed to allow you to grow your business.
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Reviewed in the United States on January 20, 2026
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Verified Purchase
Wally Bock
Port Orchard, US
★★★★★ 5
If you’re a solo, Who Not How is a must-read
Format: Kindle
If you’re starting out as a solo, whether you’re a writer a lawyer a consultant, or whatever, Who Not How may be the most important book you can read if you want to have both a successful business and a successful life. Here’s why I think that’s true. Most people who go solo don’t start their business with bales of venture capital. Instead, we fund those first lean weeks or years with credit cards, second mortgages, and the forbearance of our friends. We’re lean by necessity. Naturally, in the beginning, we do just about everything ourselves. That’s good and necessary, but it can create a bad habit that’s reinforced by society. American culture lauds individual achievement. In school, we’re graded individually. The virtue of self-reliance is high on our list. The problem is that to grow and prosper we need to break that habit of “self-reliance at any price” and quit trying to do it all. When we face a new challenge, the need for a new website, for example, we naturally ask, “how can I do this?” We spend time climbing a learning curve to get to an acceptable level of performance. Asking, “who could help me with this” or who can do this for me” can make our businesses more successful and our life more satisfying. Let me share two examples from my business. I have a virtual assistant. Her name is Brenda, and she does a variety of administrative tasks that I used to do myself. She does them better, more consistently, and more efficiently than I would. And the fact that she does them frees me up to do the things I do best and contribute most to the success of my business. Another example. For years I did my bookkeeping. I learned bookkeeping for the first job I got after I left the Marines. I did OK with a paper-based system. But I decided that I wanted to take advantage of what technology had made possible, so I bought QuickBooks. First, I tried to master it. The bookkeeping part wasn’t a problem. But learning about and implementing the automated functions of the program frustrated me.  When I realized what was happening, I engaged a QuickBooks consultant to help me set the program up and review my books every quarter. The result: I used to spend frustrating hours not getting things quite right. Now, I spend about 15 minutes a day and an hour at the end of the month on my accounting. Both Brenda and my QuickBooks consultant do things that I’m capable of. But they do them better, and, because they do them, I have more time and bandwidth to spend on coaching people as they write their books. That’s what I’m good at and what I get paid for. And using others for those tasks frees up time for me to spend on recreation, recovery, and relationships. Those things make life sweet. If you’re a solo, that’s why you should buy Who Not How, read it, and put it to work. I suggest you buy the audio version, even if you also buy a print or ebook version. The audio version has some interviews with Dan Sullivan that don’t appear in the other versions. They will add value to your experience.  In a Nutshell If you’re a solo, buy Who Not How: The Formula to Achieve Bigger Goals Through Accelerating Teamwork by Dan Sullivan and Benjamin Hardy Then read it and put the book’s lessons to work.
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Reviewed in the United States on January 25, 2022
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Verified Purchase
Denisse Villar
Belleville, US
★★★★★ 5
A soulful journey that blends adventure with spiritual wisdom
This book is part travelogue, part spiritual quest, and it kept me intrigued from start to finish. Paulo Coelho takes you along on his pilgrimage through Spain’s Camino de Santiago, sharing not only the physical challenges of the journey but also the inner lessons about faith, discipline, and self-discovery. The writing is simple yet thought-provoking, with moments that feel both mystical and deeply human. I found myself pausing often to reflect on his insights, this isn’t a quick read but one to savor slowly. The paperback is a nice, portable size with clear print, making it easy to take along or mark favorite passages. For anyone interested in spiritual growth, adventure, or reflective storytelling, this book feels both timeless and inspiring. Pro Tip: Keep a journal nearby, so many passages spark personal reflection that you’ll want to write down your own thoughts as you read.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 1, 2025
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Verified Purchase
henry Mos
Alexandria, US
★★★★★ 5
sad moments, and other different mood changes throughout the ...
Format: Paperback
Throughout the story, characters gave me some outside thoughts that a normal book would not, they brought suspense, sad moments, and other different mood changes throughout the book that make this such a good book. Paulo is on a road for a change in life, with Petrus with him, they explore the road to Copenstela that include different feelings while they were on the road. Paulo is on a trip to find his sword but instead he realizes the trip isn't all about the sword, he is on a trip to finding the sword and along the way he rungs into life changing moments that make him forget about the sword and think more of what time of person he is. There was rarely any weaknesses throughout the book due to the fact that it always had my attention. Unlike other books that just catch people's attention in some chapters, these chapters have suspense, sad moments and epic moments throughout the book not only In some chapters. Chapters were not to long but also were not too short, different characters made huge impacts on the story leading the book to have more than one main character. I found this book to be very easy to word, there really wasn't any words I did not understand or also there was no sentences that I did not understand, I was able to read the book smoothly chapter by chapter leaving the whole book a positive outcome because I understood what was going on. The characters were some times against each other and in some chapters they worked together, this is a book that I know other people may be able to understand unlike other books that have some words or sentences that are sometimes hard to understand. I highly recommend this book, after reading this book it left me with a great experience giving me a positive look at the author of this book. This book gave different characters the lead on the chapters, it always had my attention and had some twist and turns that I would not be able to find in just any book. In my opinion, this book had rarely any negative points, this reading was always a time I was looking forward to on spending my time on, I know I can go to this author whenever I would like to read a good book that can catch my attention and I know what would be going on.
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Reviewed in the United States on October 13, 2015

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