SKU: 89644021900

Porterfield Brake Pads for 1989 MERCURY GRAND MARQUIS Police

$89.95 $99.95
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Description

Porterfield Brake Pads for 1989 MERCURY GRAND MARQUIS PolicePorterfield Brake Pads for 1989 MERCURY GRAND MARQUIS Police 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 Pads for 1989 MERCURY GRAND MARQUIS Police

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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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: 89644021900

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4.7 ★★★★★
Based on 13 reviews
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Product Reviews
A
Verified Purchase
Amazon Customer
Los Angeles, US
★★★★★ 5
No more expensive ink cartridges
Style: ET-5800, Set: FAX/Print/Copy/Scan
Great printer. I am sick and tired of HP giving me problems with their ink cartridges. I discarded my HP office Jet and replaced it with this Epson printer. Easy to set up. Came with two sets of ink bottles. Easy and clean to fill tanks with ink. The screen on my old HP Office Jet printer was so small and difficult to use. This Epson printer has a very large LCD screen which can tilt if you want and very easy to use. Separate paper trays for letter and legal or other sizes. Print, scan and fax. Connect via cable or WiFi. I wish I had purchased this sooner.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
L
Verified Purchase
Luke
Lexington, US
★★★★★ 1
Error handling is extremely poor
Style: ET-5800, Set: FAX/Print/Copy/Scan
This printer will throw errors even though things are working. Some examples are: 1) Printing from an Apple device you will get a “printer busy“ error, even though the print goes through. 2) When connecting to Wi-Fi, the printer will send a “password incorrect” error message, even though it connects to the Wi-Fi. 3) The windows desktop application cannot find the printer, even though you can print to it from that same machine. When calling Epson for Support, you will find people who insist you do things like go through the WPS procedure even though you tell them your router does not support WPS. You will be forced to go through steps until they say something like “now press the WPS button on the router“ when they will agree with you that your router does not support WPS. They will also take you a very long way to get to a ping command because that is what their documentation tells them to do, even if you’re well aware of how to start a ping in a much quicker way. Print quality and speed seem to be very good but, at this price point, the error handling issues and lack of adequate support are unacceptable. The result in a lot of frustration, wasted time and wasted paper/ink.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2024
J
Verified Purchase
James W Pyle III
Lake Worth, US
★★★★★ 4
Very nice and fast printer, but some info...
Style: ET-5850, Set: FAX/Print/Copy/Scan
The printer is nice and very fast printing regular documents in color or black and white. Printing photos is slower but still pretty faster than other printers I have seen. The model I purchased was the ET-5850, it came with 2 sets of full size ink bottles. When you set up the printer one set will fill the tanks. You think run through setup on the display and it will take 9 minutes to prime the system. This is initially getting the ink from the tanks to fill the empty tubes to the print heads. When this is done (takes 9 minutes) the tanks will be ½ full. Good thing you have the second set. The size in the images shows the depth of the printer to be 31 inches, it's not, it's about 19 inches with the back tray closed and the output tray retracted. Installing the driver way very simple. I did not use the driver disc as I'm running the latest OS on my computers. My Mac's all found the printer and set them up. (Note: I run in dark mode on my computers and when the driver installs it as the back version of the printer for the icon we is very hard to see in dark mode. I was able to change it to the image that matched the color my printer, but that takes some under the hood tinkering.) Both of my Windows computers also found and set up the printers without any issue. You can also set up an email address for your printer that people can email you documents to it. The Epson website gives you a lot of control over this. You can change to a custom name before the @ in the address or use the random one they picked. You can also limit who can send to your printer. That is something that I liked on my old HP this one replaced. Two items that I think they need to fix: The output tray comes out automatically when you start to print. It does not retract automatically, there is a symbol on the control panel that you tap to get it to retract. They should have made it so that when you take what was printed that it automatically retracts as it sticks out pretty far. The web interface isn't great. If you have ever used the web interface for a commercial copier, then you know what I mean. For example, when putting in contacts for faxing/scanning/emailing, the interface doesn't allow you to put in email addresses. There is an option to select the type of contact, fax, email, etc, but if doesn't give you a box to put in the email address. If you add the entry on the display for the device its self then you can put in the email. You can then go back to the web interface and edit the entry and the email address. Crazy right. Luckily I didn't have many to put in. If they could five those two items I would give it 5 stars. I'm going to email Epson my thoughts and see what happens.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 14, 2025
D
Verified Purchase
David Smith
Belleville, US
★★★★★ 5
Really Great Printer!
Style: ET-5880, Set: FAX/Print/Copy/Scan
I purchased the Epson ET-5880 for our small office to fulfill our need for a good color printer. I read a number of a reviews about the printer before making the purchase. Most were positive, so I went ahead and ordered the printer. I'm very pleased with this printer. I had no problem connecting it to our network. Installing the drivers on four computers was easy as well. I should note that the printer comes with a CD for installation, but I chose to use the NEWER drivers that were on Epson's website instead. You should do that as well. Filling the ink tanks on the printer was very simple. Not so much as a drop of ink was spilled. The ink bottles are keyed so that one cannot put the wrong color ink in a tank no intended for that color. Once filled, the unit goes through a charging process (Epson's term) to get ink to the print heads. Yes, it uses a little ink, but Epson also supplied a second set of ink bottles so that the ink tanks are full after the charging process. The printing is very fast, yielding high quality print. I suggest using 22 or 24 pound paper, especially if printing on both sides of the paper. I was particularly interested in seeing how this printer would handle scanning. I do a lot of two-sided scanning. The scanning software, SCAN 2 and SCANSMART, both worked well. SCAN 2 gives the user lots of options, but might be overwhelming to a newer user. The SCANSMART software is more visual and gives the user enough features to adjust and/or crop images as needed. The software does provide the option of creating a searchable PDF file, which is something I like as I deal in contract documents. Of course, one can print from a cell phone or tablet if desired. There's even a remote print feature where one can print via email from anywhere where there's an Internet connection. Overall, I'm pleased with this printer. It's not inexpensive, but it will easily meet the needs of a small office.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 31, 2024
R
Verified Purchase
Retaile
Lexington, US
★★★★★ 5
Update
Style: ET-5880, Set: FAX/Print/Copy/Scan, Style: ET-5880, Set: FAX/Print/Copy/Scan
Packaging could be improved because printer was shipped in its retail box. The printer somehow survived the cross country trip at the expense of internal foam packaging. The printer does a very good job but of course it should because it's new. The paper output drawer is somewhat curious because it extends automatically but you have to manually push it in. Set up not exactly straightforward because printer started up with error messages (no paper) when actually full. This Epson has two paper trays. OEM ink is pricey, over $90 for 4 bottles. There are a lots of generic inks available but Epson wants you to buy theirs with a warning. The amount of ink this printer consumes is still being evaluated because upon set up, the ink empty printer must be setup and it does draw down the eco tanks level. This printer is fast but not as fast as the HP576DW it replaces. Wifi connection is reliable and printing using a mobile device is very good. More to come. I've just learned that the aforementioned powered output tray does retract with an on screen button. Ink consumption seems reasonable but the price is still high. Amazon has now reduced this printer 40%. Timing is everything.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 10, 2023

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