SKU: 56611684386

Porterfield Brake Shoes for 1994 GMC K3500 4WD SRW 2 1/2" R/Shoe

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Description

Porterfield Brake Shoes for 1994 GMC K3500 4WD SRW 2 1/2" R/ShoePorterfield Brake Shoes for 1994 GMC K3500 4WD SRW 2 1 2" R Shoe 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

Porterfield Brake Shoes for 1994 GMC K3500 4WD SRW 2 1/2" R/Shoe

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.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 56611684386

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4.3 ★★★★★
Based on 19 reviews
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Product Reviews
M
Verified Purchase
Michelle L.
Cuba, US
★★★★★ 5
Great Looking and Sturdy Monitor Arms
Color: White-Mount, Color: White-Mount
I'm so impressed with these arms. They're super strong and sturdy holding up my 27" monitor and 34" ultrawide monitor. Setting up for the most part is pretty simple and easy. One of the best things I like about these arms is the cable management. I had several arms before for my setup at home and work, and the cable covers are usually pretty flimsy and just slide and lock in. I have a lot DP and HDMI cables due to my dual workstation, so these cable covers often end up popping out since its so full. These cable covers are different since they are screwed down tight with a bolt. All my cables fit pretty snug, but there is no bulging and I don't have to worry about the covers popping off ever again. I'd recommend keeping it at a maximum of 4 thicker cables though. However, fair warning that attaching the covers can be a pain so if you have to detach cables often, the screwed in covers can be a problem. If you have a set up like mine that won't really change often, it works well. If you can, I would suggest having 2 people set up the cable management. One to hold down the cover in place and the other to screw it in. I did it myself just fine though. The range of motion is great for my needs, but please note that I tried stacking my monitors and it didn't quite work. I would say it's 1 to 2 inches shy of properly stacking them. Overall, a great looking set of dual monitor arms. The extra ports on the base are a cool feature that do work, but I haven't had much use of it yet. Love that they had a white option to match my set up too. These are a little pricey, but they're really worth it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 21, 2021
J
Verified Purchase
Jorge Roman
Louisville, US
★★★★★ 5
You will be hard pressed to find an equal or better product regardless of the price.
Color: Black-Mount, Color: Black-Mount
Review of AVLT Dual 13"-35" Monitor Arm Desk Mount I do not usually rate items, except for products that are exceptional or are provided by a vendor that is above all others. I looked at this item several times, because the price was $100 less than my five year old dual arm could not raise the 38” monitor more that 8” from the desk surface and barely keep my wiring hidden. Finally, the website for AVLT convinced me to place the order for the AVLT-DM41-1, Dual 13"-35" Monitor Arm Desk Mount. I was not disappointed. The quality and finish of the aluminum mount is space age quality, the manual acceptable (ilea type); most important the I can raise my 38” monitor to a perfect ergonomic height. My monitors are a Dell 38” U3818DW, (larger than 13” to 35” range) and a Dell 24” U2412M, U. for each I use the factory power cable, DP to DP display port 6 foot cables and high speed USB 3 cables for each monitor. The assembly went without a hitch, no problem hiding the heavy cables that I use, my only problem was that my was not a C-clamp, attaching the hex bolts to the base from the underside of my desk was difficult; t would had been easier had they used a stud bolts to clamp the unit down. The arm springs had no problem supporting my 38” monito, the unit is so sturdy I expect to receive years of service. I strongly recommend this item because of value, quality and design. You will be hard pressed to find an equal or better product regardless of the price.
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Reviewed in the United States on October 10, 2020
N
Verified Purchase
Nallely
Charlottesville, US
★★★★★ 5
Great product
Color: White-Mount
Amazing product. It’s perfect. Tried a few other dual monitor arms and they sucked and didn’t hold up the monitors. This one is amazing and aesthetically pleasing. Well worth the money. All parts included. Large range of motion, you just have to loosen the screws to make it easier to move or tighten to keep everything still. Perfect size and provides all my amount of desk space back.
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Reviewed in the United States on January 10, 2026
N
Verified Purchase
Nathalia Diaz
Lowell, US
★★★★★ 5
Good quality last long
Style: FHD 240Hz, Size: 27-inch, Style: FHD 240Hz, Size: 27-inch
I’ve had it for about almost two years and it’s never don’t me wrong, Someone even smacked it almost a punch and it still works perfectly so it’s sturdy 😭
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Reviewed in the United States on April 30, 2026
J
Verified Purchase
Josiel Rosales
Lake Worth, US
★★★★★ 5
Smooth, immersive gameplay at 240Hz – Great curved monitor!
Style: FHD 240Hz, Size: 27-inch
This monitor exceeded my expectations. The 240Hz refresh rate makes a huge difference for gaming—everything feels incredibly smooth and responsive. The 1500R curved screen adds a real sense of immersion, especially in racing and FPS games. Picture quality is great thanks to the VA panel. You get deep blacks, strong contrast, and wide viewing angles. The 1ms response time and Adaptive-Sync (FreeSync) keep things sharp with no screen tearing. Build quality is solid, and the adjustable stand (height, tilt, and swivel) is a big plus. I also appreciate the VESA compatibility and the fact that it comes with an HDMI cable included. If you’re a gamer looking for speed and immersion, this monitor is definitely worth it. The Full HD resolution is fine for gaming, but might not be ideal for serious productivity or photo editing. Highly recommended for smooth, immersive gaming at a great value!
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Reviewed in the United States on July 29, 2025

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