






🔧 Lock in style and strength with every turn!
The Circuit Performance Tuner Key Acorn Lug Nuts feature a precise 12x1.5 thread pitch forged from durable steel with a polished chrome finish. This 20-piece set includes a spline drive key tool, combining security and style for millennial professionals who demand both performance and aesthetic edge in their vehicle upgrades.






| Material | Carbon Steel |
| Fastener Type | Lock |
| Exterior Finish | Aluminum,Chrome,Steel |
| Color | Chrome |
| Metal Type | Aluminum, Alloy Steel |
| Drive System | Spline |
| Brand | Circuit Performance |
| Item dimensions L x W x H | 6.5 x 5.5 x 2.2 inches |
| Item Weight | 28 Ounces |
| Inside Thread Size | M12 x 1.5 |
| Size | 20 Lug Nuts |
| UPC | 639385691284 |
| Manufacturer | Circuit Performance |
| Item Weight | 1.75 pounds |
| Product Dimensions | 6.5 x 5.5 x 2.2 inches |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | CPTUN1215CH-20 |
S**D
Great seller! No problems at all A+
Great product Great price fast shipping A+++
G**R
Buena tuerca.
Se ajusto bien al Yaris 2009 motor 1.3 aclaro que este Yaris no usa rines originales de la Toyota estoy usando unas llantas decorativas de la marca MG. Los anteriores están color plata brillante y los cambie por estos negros lucen bien..
I**E
Worked pretty good, would reccomend.
Just put them on today, and they went on pretty nicely. All of the nuts came individually wrapped in little bags. No scratches on any of them. During installation, they went on pretty cleanly. The tool performed well. I think some of the problems people have had with the tool becoming worn out, or the nuts getting worn out, come from over torquing. Make sure you torque them to spec, which is around 70-80 ft-lbs for 12 x 1.5 threads. That's really easy to go over, if you don't have a torque wrench. Invest in one.Keep the tool half way clean and wiped off while installing, and it wont get scratched up. The upper part of my tool did, just because I was using a 12 point socket that wasn't the right size in the beginning, but the part that slots into the lug nuts stayed pretty clean. It hasn't scratched through the paint on it.Super small outer diameter of the lug nuts, which is really nice.
J**G
Circuit Red Lug Nuts: Pretty Tremendous – They Work Great, Even If the Finish Isn’t Perfect!
Let me tell you, folks, these Circuit Performance Tuner Key Acorn Lug Nuts in Red—they’re really something, okay? Almost the best, really. I’ve got a Honda Fit—great car, tremendous little car, some say the zippiest—and these lug nuts? They’re like little red jewels on my wheels, very stylish. Red’s my color—bold, strong, like me. They do the job, hold that Fit tight—nobody secures a tire better than me with these, believe me.Now, the finish? Not the best, folks, I’ll be honest—tremendous honesty here. The red came off on the inside, started rusting a little—disappointing, very disappointing. I like perfection, okay? But outside? Still gorgeous, still popping on that Honda Fit. They work fantastic—tuner key locks ‘em in, solid as my border plan should’ve been. Function over flash, and they deliver, bigly.Four stars, okay? Could’ve been five—should’ve been five—but the finish held ‘em back. Still winners on the Fit—buy ‘em, bolt ‘em on, drive like a champ. Tremendous, mostly!
M**W
So far so good
Yup
T**4
JUNK - conical seat not concentric to threads, included tool strips out, chrome plating mediocre
UPDATE: I'm downgrading from 3 stars to 1 star. I'd give them zero stars if it were an option.After finally solving a vibration, I discovered these lugnuts are junk. Basically, the conical seat of the lugnuts is not concentric to the threads - which means these lugnuts are incapable of holding a wheel concentric to the hub. This results in vibrations.Here's the longer story for those interested:I ordered a nice set of vintage OZ wheels for my big, vintage Lexus sedan. Mind you, the car rode smoother than silk with its original wheels. Unfortunately, the OZ wheels are rare so I was not able to get them in the exact offset I needed, so I also bought a set of 10mm wheel spacers. I also bought a set of ARP extended wheel studs.When the wheels arrived, I had Discount Tire inspect and spin them to ensure they were nice and straight. They were. I ensured my wheel spacers fit the snout of my hubs just right. They did. I had Michelin Pilot Sports mounted, and fit the wheels to the car. Above 60mph, there was a very obvious vibration.Took the car to the tire shop and they re-checked the wheels/tires - which spun beautifully on the balance machine and were nicely balanced.Next, I thought maybe it was because I didn't use hubrings on the installation. Personally, I think these are usually a gimmick if you have tapered-lug wheels and nuts. A cone has no choice but to fit into another cone concentrically. Five conical lugnuts fitting into 5 conical seats will ensure the wheel is clamped to the hub concentric to the bolt circle of the wheelstuds in the hub....BUT ONLY IF THE CONE OF THE LUGNUTS IS CONCENTRIC TO THE THREADS OF THE LUGNUT!Anyway, I went ahead and bought a set of hubrings to hopefully solve the vibration. Mind you, the OZ wheels have an oddball size hub bore, so I had to custom order the rings. When I installed them, it helped the vibration quite a bit - but did NOT solve it.So I pondered that for awhile when it occurred to me I noticed the lugnuts wobbling as I was running them down onto the wheelstuds - suggesting the outer diameter of the lugnuts was NOT concentric to the inner thread...so maybe the conical taper on the lugnuts was also NOT concentric to the thread - meaning as you torque the nut - it pulls the wheel off-center.So I removed a few of the nuts and mounted them onto an arbor in the chuck of my lathe. I indicated the arbor to ensure it was running true within 0.0005", and mounted the lugnuts onto the arbor - then indicated the conical taper of the lugnuts. I only bothered to measure 3 of the nuts because I was getting readings of over 0.02" run-out. That's absolutely unacceptable.so I ordered a new set of lug nuts, which were more expensive (and much more nicely made) than these Circuit Performance units. I again checked them for run-out before installing and found them to run nice and true.I installed the new, good lugnuts (without hubrings), and VOILA - vibration solved. These Circuit Performance lugnuts cost me dozens of hours of hassle and months of vibrations in my car. They are JUNK.Ok, so here is my original review (when I gave 3 stars), pointing out some of the other issues:Circuit Racing should be absolutely ashamed of themselves for the hex key "tool" they include with this set. It's garbage; it fits the lug nuts sloppy AF. A decent quality 12mm hex key "socket" fits the lugs quite nicely - so I highly, highly recommend you buy one instead of using the included tool.The chrome plating is mediocre. It'll develop rust freckles the first time they get wet. Don't get me wrong, it's better than bare steel or even black oxide - but it's not even as good as the chrome plating on a harbor freight socket. So there's that.Otherwise, they fit, function and torque up just fine. The thread fit was good - I am using these on high quality ARP wheel studs.
E**D
Worked great for the multi pattern wheels
The aftermarket wheels I used had the smallest lug holes I ever seen but they fit. I also used a torque wrench to prevent them from stripping.
J**.
Cool
Great product at a great price
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