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    Quality Cylinder Head Specialist Incorporated

    4.8 (44 reviews)
    Closed Closed
    Updated 1 month ago

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    Response time

    5 hours

    Response rate

    100%

    Services - Quality Cylinder Head Specialist Incorporated

    Auto maintenance

    Auto repairs

    Auto engine repair

    1 More Service

    Routine automotive maintenance

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    Carlos N.

    Took my head to get done for head gasket job and they didn't even bother to take off intake gasket which was stuck on there, now I'm here trying to scrape it off. Lazy job.

    Justin K.

    Quality Cylinder Head Specialists went above and beyond helping me bring my 2014 Toyota Tundra back to life. Head gasket blew at more than 240,000 miles and was being told I should get a new engine by multiple other shops... but thankfully Coby & team guided me in the right direction and I was able to get the gasket fixed and heads rebuilt like brand new! Tundra runs like a champ again and will be for a very long time thanks to this shop!

    Robert F.

    Love, love, love this shop. I use this place all the time for all my cylinder head needs. Coban is very helpful and easy to work with. My parts are always ready on time and on budget. It's a good place to get your machining needs done.

    Minh N.

    These guys are in a class of their own. I would not trust anyone else with cylinder head needs. Great customer service and world class impeccable "quality". Had them service a Toyota 2.4 head and loved the result. Workmanship was amazing now running like new. They were fast reliable and best of all sent me pictures of the progress. I can't say enough about the level of expertise and service I received. If you need work on a cylinder head they should be the only shop you call.

    1970 International Harvester Scout Cylinder Head
    Matt R.

    Found these guys on Yelp. Took my cylinder head over for my 1970 International Scout 800 and they found out it was cracked. Chau the owner and Coban went out of their way to help me and make the experience a good one. These guys do quality work and take good care of their customers. Tell them Matt with the International Scout sent you.

    John D.

    Great job knowledgeable staff great work was great with communication had extra care in getting things done right for the long run fast turnover Thanks

    Enrique G.

    I had them repair my Volvo C30 cylinder head it needed a valve job and they were able to do it and allowed me to provide them with parts to keep the costs down!!! I dropped it off in the morning was told it be ready in a day or 2, but was called same day late in the afternoon told it was ready!!! Overall impressed with the work and customer service they provided definitely recommend!

    Juan J.

    I have been doing business with this shop since i was a mechanic there work is absolutely perfect every time, prices are always in the ball park of being affordable without sacrificing quality, i now own my own auto repair shop and i still continue to go threw then when i need machine work dont on my customers cars. Coben is always upfront and knowledgeable with any questions i have regarding the work being done, i will continue to do business with them as they have made me a loyal customer with there great work thanks to all the team at quality cylinder head - Juan - FZ Garage

    Reza M.

    I wanna say thank you for your awesome and professional job, unique quality, logic prices and friendly customer service. I wish I could give more than 5 star!! Highly recommended to all racers, race engine builders and mechanics. Thanks again Coban. Cheers,

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    7 years ago

    Great service. Took care of all my questions and needs

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    12 years ago

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    11 years ago

    Had my 2008 Subaru WRX heads done here. They did a fantastic job and I highly recommend these guys.

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    Page 1 of 2

    Ask the Community - Quality Cylinder Head Specialist Incorporated

    Review Highlights - Quality Cylinder Head Specialist Incorporated

    I spoke with Coban and I was surprised by his willingness to answer all my questions with detailed explanations.

    Mentioned in 11 reviews

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    Hi Tech Automotive

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    I had a really great experience at this shop and honestly can't recommend them enough. A few weeks…read moreago, my catalytic converter was stolen, and I had it replaced at another shop. After that repair, my check engine light suddenly came on--even though it wasn't on before. The first shop told me it was a problem with the mass air flow sensor and tried to charge me to fix it, which didn't feel right to me. So I decided to come here for a second opinion, and I'm really glad I did. The mechanic took the time to properly diagnose the issue and walked me through everything step by step. Within about an hour, he figured out that it wasn't the air flow sensor at all--it was just a blown fuse. That alone saved me a lot of money and potentially from being overcharged elsewhere. What really stood out was the honesty and communication. He explained clearly what went wrong, didn't try to upsell anything, and made sure I understood the situation. On top of that, he even aired up my tires for free, which was a nice touch. Fast, honest, and affordable service like this is hard to find. I'll definitely be coming back and recommending this shop to others.

    Service requested was spot on, called for a used tired. Fair pricing at 60 otd, it was done…read moreimminent i came back. One of the fastest pit stops I've ever made in my life. George was the gentleman that helped me. Fred was the worker on the register. 10/10 would come back and will recommend to others.

    Mobile Mechanic in Orange County - 4 WHEEL DRIVE -E- TRUCK SHOP ON WHEELS

    Mobile Mechanic in Orange County

    (82 reviews)

    This review is a little past due but I decided to finally do it because I feel I should keep others…read morefrom going through the same trouble I am right now... earlier this year I had an accident and needed to have my front left control arm replaced I looked all over on yelp and came across this company and since they had good reviews, I decided to give them a shot because of the convenience. Nick showed up three hours after he said he would, and didn't bother to call.. also didn't answer when I tried calling him, luckily I hadn't left work yet because he finally just randomly shows up. Takes a look and says I need a control arm and end links for the front seat bar. He goes and orders them and says he would be back the next day... he never showed up and wouldn't answer his phone. He finally shows up the next day(again just randomly showed up). Thankfully once again I was still there at work... he showed up in a pickup truck that was his personal vehicle because "his work rig was in the shop". Ok no big deal.... he does the work and I ask to test drive it before he left. The steering was really loose and unresponsive. Also there was a clunking sound. He said he had to go and would be back to work on it again. Next day driving it back to work to meet nick as he requested, steering was really sloppy and unsafe. Nick never showed and never answered my calls. I took it to another shop and had them look at it. He forgot to replace a couple bolts and put the wrong control arm in. After a few days, I finally got ahold of him and told him and he swore up and down he would never forget to put parts back. And that he got the correct control arm. He said he would be back to check his work and never showed. I was never able to get ahold of him again Fast forward a good few months and the car is in the shop having the front control arm replaced along with the front sway bar and the end links he forgot to replace yet charged me for. So now I am down $400 for the wrong part and missing end links that he never installed and another 500 for parts and labor for the new auto shop to do the work correctly. I really wanted to like this company as I love the idea and convenience of the idea, and nick really was a nice guy, but man I really got screwed by these guys... I'm really tempted to look into what I can do legally at this point. I hope this review helps anyone else that is looking at going through this company. Also, before I'm told the same as the others about contacting drivers directly, the number was the one listed here on yelp and have documentation to prove so.

    Too bad I can't give Nick more stars than five... that's the maximum!…read more Nick unbelievably helped me with my problem without charging me a dime. He was super patient with me (I am not automobile inclined) as we tried to diagnose my issue over the phone so that he could give me an accurate quote. I truly believe that any mechanic I have ever met, including my own brother, would have found a way to shake some coin off of me before helping me solve a problem, but Nick was up front about the prices (more than reasonable) and knowledgeable, giving me some troubleshooting ideas and a few options to best accomodate me. I won't bore you with the details (I have a small leak in my hydraulics), but I appreciate that he didn't insist that I make repairs, like a doctor or a dad would do. And he wanted to know how my troubleshooting worked out, calling him back either way, like a date dropping you off at your house and waiting for you to turn on your porch light to make sure you're safe. Anyway, this might sound weird, but I am actually looking forward to my next automobile issue because I want to give Nick my business. I trust him completely, and you don't hear many people say that nowadays. :) Thanks, Nick!!

    Full Service Auto & Transmission Repairs - My engine had several leaks and was absolutely filthy and within a week I had a brand new looking engine and no leaks.

    Full Service Auto & Transmission Repairs

    (478 reviews)

    Needed a new fuel pump for my truck. Took it to full service auto and transmission and Francis had…read moremy truck fixed and back to me the same day at a very reasonable price I will definitely use Francis for all my repair needs in the future. Cheryl

    On April 3, 2026, I dropped my car off at Full Service Auto & Transmission Repairs for what should…read morehave been a simple repair -- replacing the skid plate. I found Francis through an online search because of the many positive reviews, and during our first interaction he was friendly, professional, and seemed very knowledgeable. He ordered the part directly from Acura and quoted me a fair price. My car was ready the following day, but when I arrived to pick it up, Francis informed me that my vehicle had been involved in an accident while in his care. He explained that another driver had been speeding through the parking lot and crashed into him. He gave me the other driver's information, and I contacted him immediately. The other driver gave a very different version of events. He stated that he was backing out of a parking space and did not see Francis. He also told me that Francis provided his driver's license information but refused to share insurance information. Now, more than a month later, I still have a damaged vehicle and have not received insurance information from Francis despite multiple phone calls, text messages, and outreach from Mercury Insurance. I trusted this shop to take care of my car, not return it to me in worse condition and leave me responsible for a $500 deductible. What has been most disappointing is the lack of accountability and urgency. Francis acted as though this situation was not a major concern and repeatedly assured me that the other driver would "take care of it," which has not happened. According to the other driver, Francis even asked him to change the story about what happened. I chose this business because of its strong reviews and the image Francis presents, but my experience has been extremely stressful and disappointing. I believe customers deserve honesty, transparency, and responsibility when their vehicle is in someone else's care.

    Quality Cylinder Head Specialist Incorporated - autorepair - Updated May 2026

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