SKU: 1037742259

Porterfield Brake Pads for 2013 CHEVROLET SONIC

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Description

Porterfield Brake Pads for 2013 CHEVROLET SONICPorterfield Brake Pads for 2013 CHEVROLET SONIC 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

Porterfield Brake Pads for 2013 CHEVROLET SONIC

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: 1037742259

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4.5 ★★★★★
Based on 23 reviews
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E Tolentino
Alexandria, US
★★★★★ 3
Mixed feelings
Format: Paperback
I had the opportunity to finish this book in one day of reading, while my 3 kids spent the day with grandparents. It is a very easy read, very accessible. Karis' style is very informal and she employs a lot of humor (and hyperbole), and that may be refreshing for some, though I found it distracting. I hope my criticisms will not be taken too harshly, and am certainly glad that others have found it inspiring or enlightening! We desperately need more grace based parenting in our homes and churches as we strive to undo the influence and damage of the punitive methods that have marred the face of Christian culture for so long! We need more books like this, that can reach every believing parent where they are, and inspire them to parent with the same grace and wisdom our Heavenly Father employs! All that said, this was my experience reading the book: I felt the numerous anecdotes take up valuable space and time that would be better spent digging into passages of the Word and working through practical application. I was disappointed to not find a whole lot of either. If you are well-read on child development and "alternative" methods of discipline and childrearing (from those considered to be in the "anti-spanking camp"), you will find nothing new here. I didn't care for the rebranding of the classic four temperments and promoting supplemental Family Matters products... You can easily find many free tools and information reguarding personality psychology on the internet, and you will have a much deeper understanding. But personality is a shifty thing in youth anyway, and if you are not inclined to pursue that kind of study, I promise that simply resolving to spend more unstructured time with your children, to slow down and observe them at work or play, to listen with full attention, considering their perspective before answering or judging, you will learn more than what could ever be summerized in a personality type. Pegging a child in any brand of personality typing has it's own drawbacks. It can promote unfair assumptions, lead to misunderstandings, and cause confusion when trying to understand more subtle or complex behaviors and attitudes. I appreciate her reasoning for not digging into the spanking issue in the main content of the book, setting that aside in the appendix in the back. She does a good job highlighting what gracious spanking looks like if you choose to do so. I am of a similar opinion that it is not a crucial point of doctrine and isn't always an issue of abuse or neglect either. It truly is a parent's prerogative and responisibility to consider the Word and the research and their own consience on the matter. If you do spank, follow her guidelines and you will not go wrong! I did find her characterizations of non-spankers, like myself, a bit condescending ("lazy", "fearful"), but to be fair she is addressing the extreme. If only you knew how much effort and time in research and reflection many of us sacrifice to employ better methods! It is very proactive approach and it is difficult work! I think she could have done a better job to include an objective summery of arguments in both camps for better understanding, but I really appreciate her exhorting those in both camps to avoid contention and judgement. It should never be an issue that causes us to break fellowship with a brother or sister! There is a good chapter on what she calls the "3 P's", a helpful framework for discerning the whole truth of God's word. But as far as parenting goes, personally, I didn't find anything new or particularly helpful here. I will be gifting this to a good friend/newer mom who will likely get more out of it than I did. Maybe you will too!
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Reviewed in the United States on July 24, 2018
J
Verified Purchase
J. M. Magrini
Grantham, US
★★★★★ 5
Excellent, succinct, intro to Marxism...
Format: Paperback
Richard Wolff’s Understanding Marxism is an excellent and highly accessible populist work that introduces Marx’s critique of the inherent contradictions and inevitable problems that plague – and will continue to plague – capitalism. So, he sets out to show how the contemporary experience and understanding of the relationship between employer-employee emerge from because it is the modern manifestation of the historical distinction, which is hierarchical, oppressive and ultimately “exploitative, between master-slave and Lord-serf - Zizek, in his small text The Relevance of the Communist Manifesto, offers a unique response to this line of critique and reasoning. Above I mention the accessibility of the writing – in fact, there is a crystalline clarity to it - and if you have watched Wolff’s show or listened to his interviews, it’s as if Wolff is speaking in his usual manner that avoids academic jargon and communicates his ideas directly. This is an extremely helpful and useful guide to understanding Marx, and I am hoping many young intelligent politically-minded university students will read it – e.g., those who might be unfamiliar with Marx - because it offers a sensible corrective to the ill-informed Marxist critics on the so-called “intellectual dark web” (IDW) who repeatedly, without properly understanding Marx, scapegoat him and employ him as a bogeyman to enhance the arousal of fear and alarm with their rhetoric. Ultimately, and here I agree with Wolff, Marx might be said – bound intimately with Marx’s notion of “species being” (a term Wolff avoids) – to show why “ending exploitation [is] necessary to actualize social commitments to liberty, equality, brotherhood, and democracy” (36-37). So, instead of a utopian (end-of-history) communist or socialist model for society, Wolff, through his reading of Marx, offers what might be termed a philosophical or even commonsensical (and achievable!) model of what a more socially aware and humanly grounded workplace might look like – one that is Marxist in nature and instantiates people coming together in more “democratic, egalitarian ways.” (71). Wolff also directs readers to primary source material for further study - so, all the quotations included are traced to Marx's original writings, which readers are encouraged to seek out. To conclude, readers must be aware that this pamphlet – indeed, this is what Wolff calls it – does not attempt to serve as a broad or sprawling introduction to Marx and his writings. Thus, when ordering it, be aware that it is not akin to academic introductions and critiques of Marx such as Peter Singer’s Marx: a Very Short Introduction (OUP) or Allen Wood’s Karl Marx (Routledge).
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2019
A
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Agamemnon
Dallas, US
★★★★★ 5
Excellent Essay
Format: Paperback
Wolff is a one of the best people I know of to deliver a quick handbook to Marx. He delivers a master class on this complicated subject and I have long respected his views on economics and politics.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 15, 2025
C
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CL
Houston, US
★★★★★ 5
Awesome Introduction. A quick, easy read.
Format: Paperback
Very good overview and a quick little read! I was able to read this in a day, despite having ADHD. That, in my opinion, is a testament to the engaging, straight-forward writing style. I now feel well-versed enough in thd basics to read more in-depth texts. Highly recommended.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 19, 2025
M
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M.Jones
Lowell, US
★★★★★ 4
Brief and informative
I recommend this book to anyone that is curious about what exactly Marxism or socialism is but does not care to read volumes of material from Karl Marx himself. It's a quick yet poignant look at the major points and positions of the philosopher Karl Marx and gives you reason to go further study of you desire. This book will leave the average person with enough knowledge to hold an intelligent conversation about what Marxism is. Can be read on a commute to and from work or a 2hr plane ride.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 26, 2020

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