Trent changed the suspension springs and added camber plates, sway bars, stop the hop kit and a…read moreshort shifter on my Ford Mustang Dark Horse. He was friendly, knowledgeable, and punctual.

Excellent service, attention to detail and experience. Trent is a honest, hard working master…read moretechnician that cut his teeth in the motorsports world. He owns/operates his business out of the lower business park at sonoma raceway and focuses on not just getting your automobile functioning at its best but your SAFETY and the safety of the vehicle's occupants. I would HIGHLY RECOMMEND his services over almost all other auto shops out there. You'll never think that you didn't get your issue resolved or have a bad experience.

Very clean and professional, I have had my bike worked on at another dealership and was not…read moresatisfied, a friend told me about NCDL. took my bike there and I am super pleased. When it was time to up grade they took the time to explain all of my options, in following their advise they put together a GREAT machine !!! I highly recommend going there. From oil change to full build their staff knows their stuff. Life time customer

From the owner: 1. Harley-Davidson Performance products and services 2…read more Motorcycle, scooter, ATV, UTV, and vehicle product certification

Mike & Mike know their business. Make harley's go fast! I am so pleased with the Dynotune on my…read more2015 Street Glide with a stage 5 motor upgrade. Now it performs all the way to redline the way it should. Thank You. Frederick A.

Had my 2014 limited done by the Mike, Mike, and Louie. Heads,pistons, cam, pipes, run on there…read moreDyno,everything they thought would make the bagger get out of its own way. Now when I ride I can't get the smile off of my face. THANK YOU very much you guys. Bike pulls just like you said it would, and then some. Started riding mini bikes as a kid, later on in life I rode Harley's for a living, been too many shops and dealers,never been to one like these guys. Very enjoyable business deal. Joe

I scheduled an appointment to have my Harley serviced and inspected since it had been in storage…read morefor about a year.mI was able to get an appointment within two days. Bob and his crew performed a detailed inspection and provided me with a thorough report of their findings. I will definitely continue to use them for my service needs.

I honestly Do Not recommend anyone to this place Napa…read moreValley Moto , in September 04 I brought my 2005 Honda 1300 VTX for a carburetor kit replacement, the mechanic quoted me $385 I ended up paying over $696.80 I took them over a month when they finally called me to pick up my bike, the owner told me that I had to ride the bike at least 100 miles in order for the carburetors to cleanup completely!! As soon as I took off I knew that the bike still had the same problem! Plus a minor leak of antifreeze! ... Rode the bike for 130 miles Nothing change , next day I went back to the owner ( shop ) Told him that the bike was running the same as before plus it had a antifreeze leak! I showed him the green spots all over the engine . Left my bike there for another 3 weeks ! He had to order the parts for the coolant leak" Charged me another $193.04 dls , picked up the bike told me the same thing! Ride the bike 100 miles at least . I took me 3 blocks to realize that the bike was the same! And with the coolant leak! I turned around went back pissed off! ... I Just told him my bike still running the same !! And still has the coolant leak! After 2 weeks he called me said that they found the leak, it was a pinched house !! ( this was cause by them this guy doesn't know anything about mechanics! . Last week he tried to tell me that there were more issues w my bike! Related to the fuel problem Gave me another estimate for $495 dls just for parts with no guarantees that the bike will be fixed. Yesterday 12/05/18 I picked up my bike As it was ! He hand me a paper bag w some of the parts! ...Had to rent a trailer to take my bike. this guy caused me a lot of headaches and stomachache! .. Will see him in court.

I took my son's car in for a suspension and alignment as my son will be going to a racing event…read morethis weekend. They were so kind to get him in in time for the event. They worked diligently on the car and did a fantastic job. These guys race themselves and know their stuff! We appreciated all the hard work that went into making my son's car rearing and ready to go! By the way, these guys are good and kind people. I not only appreciate their business ethic, but it was a pleasure doing business with such caring and kind folks!

I had a friend recommend DevSpeed to help fix some of my Subaru's new oddities I'd noticed. The…read moreteam was very quick to respond on a weekend and made the stressful experience of fixing my car quite painless. I dropped it off and the team had diagnosed and proposed solutions quite promptly the following Monday. Definitely will go back for future work!

I'm very pleased with how helpful LJ's speed shop has been to me! I showed up on a random day…read moreneeding a bearing pressed into a hub and they were nothing but honest and knowledgeable. They found the parts I needed and even recommended I replace the spindle entirely which will keep me safer on the road. All for a good price! Definitely going back to LJ's when I need some help! Easy 5 star rating from me.

Old style speed shop great customer service if they don't have your part on hand they'll order it…read moreand put a rush on it

John is friendly and full of information about all types of motorcycle repair whether it be German…read more, Japanese , American or Italian he's got answers. I bring my BMW in for service often and he's always done a great job at a fair price. I'd recommend Sonoma Moto to anyone looking to get work done right at a fair price. Great guy!

Very knowledgeable and honest giving quotes for services, went to inquire about repairs on a 1984…read moreYamaha Jog and was presented with a quick reply and very insightful information on how to proceed

DONT DO IT!!!!! I waited 9 months for Chad to do a stage 1 and some bars.. After 8 month of waiting…read morewith little to no communication from Chad I decided to pick up my motorcycle and have someone else do the work. When I picked up my motorcycle from Chad my seat was gone, the speakers from my saddlebags bags are gone and my gas guage is no longer working front Chad draining the tank. Chad left all the covers off of my engine leaving layers of dust and dog hair in my motor.When I pick my motorcycle up Chad put the covers on without cleaning them leaving the dog hair for the next mechanic to deal with. Save your money and your sanity by going to a mechanic who doesn't ignore your calls, texts or emails and understands what integrity means.

Chad, the owner of Headstrong Performance is a highly knowledgeable and trustworthy tech. He…read moreinforms you of what's needed now and possibly down the road. He's extremely detail oriented. Chad has the best work habit a tech can have to ease the mind of the customer, he returns all parts replaced and even keeps the boxes for the new parts he puts on so that you know you're getting exactly what you wanted, ordered and paid for. Chad is friendly and aims to please. My 2008 Harley Dyna Street Bob went in for service of brakes, check an oil leak and a couple of custom add-on items. He also thoughtfully adjusted my front suspension. Honestly, my bike rides be now than it ever has! Oh, and be sure to say Hi to his Frenchie shop dog THOR. He's as friendly as can be. I wholeheartedly recommend Headstrong Performance for all of your Harley, Indian, Chopper and other cruiser style bike maintenance, upgrade and customizaction needs. I won't go to anyone else.