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Best Automotive Performance Spark Plugs

Bosch YR7MPP33 Double Platinum Spark Plug - 3X Longer Service Life (Pack of 1)
Bosch Double Platinum spark plugs are engineered to extend performance life and durability. Double Platinum firing pin and ground electrode inlay provide 3X longer service life compared to standard copper plugs.
Reviews
"I bought these plugs to replace the factory plugs in my Benz."
"Bought this for my Mercedes C230 Sport and they worked perfectly."
"Bosch YR7MPP33 Original Equipment Fine Wire Platinum Spark Plug, (Pack of 1) Got these for my Sons Mercedez C230 Car running great."
"All is well with my Mercedes C280 thanks to these sparkplugs."
"Gives my car new pep and gives me better gas milage."
"Easy replacement on my '10 E350 Mercedes with no issues and good performance."
"Worked for 2011 E550 (C207), the original Spark Plugs were NGK R type."
"Great stuff and pregapped."
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Denso (4504) PK20TT Platinum TT Spark Plug, (Pack of 1)
Platinum offers superior resistance to erosion and corrosion enabling DENSO to create a spark plug capable of consistent performance. Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme stress.
Reviews
"Bought these to swap out the plugs on a 2006 V6 Toyota Highlander with 180,000 miles as part of regular maintenance."
"I bought new spark plugs, I went with NGK laser Platinum Premium, which came stock on the VW."
"I would rather change out a bunch of inexpensive ones rather than use expensive iridium plugs."
"No cost savings verses the local box store."
"The person it was purchased for was completely satisfied and it got their vehicle operable again quickly."
"Bought this for a Honda Civic I used to have so I could fix the problem myself, but turns out, my car needed more then just spark plugs/ignition coils so I unfortunately sent these back."
"ONLY USE OEM RECOMMENDED PLUGS FOR VOLVO."
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Denso (3324) SK16R11 Iridium Spark Plug, Pack of 1
Denso Iridium Spark Plug Iridium plugs have an extremely long life as Iridium is 6x harder and 8x stronger than platinum. Enter your model number to make sure this fits.
Reviews
"One thing to watch, these plugs do NOT need thread grease, they have a special coating that does away with the need for grease."
"It was purchased and installed immediately replacing BOSCH Platinum Ir Fusion plugs (4501) which was causing performance issues due to it's improper heat range although it was suppose to fit my Scion."
"There was a hesitation on hard acceleration and I have more than 100k on the last set of plugs."
"the spark plugs was ill-packaged."
"Toyota factory plugs, I'll get 120k out of these just the the originals."
"I did a 160K mile tuneup on my 2008 Prius which included (K&N air filter, Plugs, Mass Air Flow sensor, Oxygen Sensor(s), Ignition Coils and Fuel Injectors)."
"OEM for great price = 5-star."
"Great Price, this is OEM spark plugs on my 2008 Prius."
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Best Automotive Performance Spark Plug Wires

NGK (8034) HE76 Premium Spark Plug Wire Set
The NGK ferrite magnetic core wire has only 1/2 the resistance of traditional carbon core wires, yet has all the same RFI suppression capabilities. In addition, traditional carbon core wires have a tendency to increase resistance with age while NGK's wire wound ferrite magnetic cables remain virtually unchanged. Enter your model number to make sure this fits.
Reviews
"Most auto stores want at least $80+ for this same set of wires."
"great product, easy installation, although cable #3?"
"idk what exactly the benefits of new cables but i recently replaced the distributor cap and spark plugs as well so everything is working great with these."
"What can I say, NGK makes great wires well worth the cost over OEM units."
"I needed new spark plug wires for my misfiring Civic."
"Just as described, perfect fit for 98 Honda civic."
"They're made in Japan, not China."
"Wires were perfect length for the vehicle."
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Best Automotive Performance Tube Seals & Kits

Alloy USA 11102 Axle Tube Seal
Enter your model number to make sure this fits.
Reviews
"Easy install did these while I did the inner axel seals."
"Look good, but one side spins in the tube."
"The axle shaft has a bigger knuckle that doesn't fit inside the housing."
"After about 50 miles, the outer seal broke in half.... not sure what happened.. the inner seal seems okay, so I'll ride it out.. they look good."
"Fit perfect."
"I have my complete axle housing out to replace various parts that I purchased from Amazon and very happy with all parts except for these tube seals."
"Did not fit my 1994 Cherokee Sport with a D30 front axle, but the company refunded my money."
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