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Samson S.
August 27, 2025
I’ve had these on my 350z for well over a year now and have had zero issues. Like many 350z’s my spark plug wells were leaking badly. I used the gasket they supplied but used RTV in the corners where it’s needed. Paint was good and the PCV valve came disassembled to avoid breaking during shipping. I love that these are aluminum and won’t shrink from all the heat cycles and I can replace just the spark plug wells if I ever need to (unlike the OEM ones). Fit was perfect and you can’t beat it for the price. If you’re on the fence about these just do it!
Logan K
August 27, 2025
These are LITERALLY CZP valve covers. Save yourself money and get these. They’ve held up great and will save you a lot of money in the long run.
Samuel G.
August 7, 2025
Don’t get me wrong overall product and pricing is a great deal covers fit great. Gasket is not flimsy. But only downfall to Ordering This Pack, Not Delivered On Time Aswell As Missing Pcv Breather Hose🤨😒 other than that product is great. Maybe the holidays is what delayed delivery. But missing parts I Can’t Blame The Holidays For….
Joseph
June 22, 2025
It arrived perfectly fine with nothing being broken, yea it had some very minor issue with the paint on some of the edges but it’s barely noticeable plus it won’t be visible once installed but great deal for the price and the color as well, and might have to use your local autozone/ oriellys gasket instead of the one it came with but other than that It’s been about a month or 2 and I had zero issues so far
NL
June 21, 2025
The MITZONE aluminum valve covers look to be fairly good quality for the price of $150. Obviously you can’t have too high of expectations but they fit fine on my 2005 G35. Fixed the oil leaks. I wish the pcv hose nipples were either removed before shipment or made of stronger material because both nipples were broken during shipping. One was Broken completely off, and the other one was split almost all the way around and barely hanging on. I didn’t have the time to return it and hope the new one came undamaged so I reattached the tubes with some resin I had.Edit: 4months later:: there is some oil pooled under one of the coil packs, not sure where it’s coming from.
cody
May 18, 2025
Unfortunately with this new movement to squeeze every penny out of the consumer companies and sellers such as this one tend to create poor quality products and charge as if it’s decent. Do not purchase, if you’re budgeting get plastic (it worked for nissan). My personal unit came with metal covering holes necessary for operation. It also has paint on the inside of the cover and on the seal portion which is obviously not good and it will cause leaks. Not to mention each hole having a noticeable lip. Sure it might work but it will also send metal into your engine costing you more money down the road. If you’d still like a metal valve cover go with the one on z1 motorsports.
Arthur S.
April 12, 2025
I took the precautions advised here and you tube. Used upgraded gaskets, cleaned out the aluminum debris from the casting and thread locked the screws holding the internal baffles in. Hasnt leaked in several months now. I would STILL like to know if they have replacement spark plug tube gaskets available.
Vue
April 7, 2025
Absolutely love them way better than the original covers super easy to install and fits perfectly
aion505
March 30, 2025
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Frankie
March 25, 2025
Installés sur un vq35de. Conforme, beaux mais la finition est très très fragiles. Prenez le temps de mettre du locktit sur les petites vis à l’intérieur avant d’installer car si un petite vis tombe…vous allez ruiner votre moteur.
Bruiser_Plays
March 20, 2025
installed these on my car about a week ago, on first start I noticed it was leaking oil so bad you could call it a waterfall, DO NOT BUY. TERRIBLE CUSTOMER SERVICE
Joe
January 5, 2025
These valve covers are the upgrade all VQs need! Great fitment and good seals with the option to replace the spark plug tube seals which is huge!Only down side is I recommend using the stock valve cover bolts and the ones that come with these valve covers are poor quality and started stripping and cross threading and were slightly to long. Other then that they work amazing especially under a lot of abuse from a drift car
patou
November 15, 2024
Parts arrives broken IT need me to fix IT with epoxy glue verry disapointedd
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