Everything You Need to Know About Wheel Spacers // ARE THEY ACTUALLY SAFE?

Safe Wheel Spacers? You should know these: material, mechanical performance, strength, precision, design, hub-centric or lug-centric, forging or casting…
In this video, I go over all of the important technical aspects of wheel spacers, covering things like spacer thickness, hub bore, stud length and aluminum grade to name a few. Should you have concerns or questions about their safety, this video should shed some light on the matter, unfolding everything you need to know about wheel spacers. I have an FAQ section found below to answer some other wheel spacer related questions.
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FAQ
What spec spacers were installed on your civic?
15mm 5x114.3 64.1mm hub centric spacers for the front, and 15mm 5x114.3 64.1mm hub centric spacers for the rear.
Do spacers cause premature damage to wheel bearings?
Wheel spacers themselves don’t cause wheel bearings to fail, however too aggressive of offsets can. Weak offset wheels with spacer cause no more stress or strain on your wheel bearings versus more aggressive aftermarket wheels with the same offset, but that is specific to each vehicle. The factors that will affect that are the SAI angle and your wheel’s offset and alignment.
How do I calculate wheel offset with spacers?
You subtract the spacer thickness to your wheel offset. If you have a 17x7+45 wheel and you’re adding a 15mm spacer, it will effectively become 17x7+30. It will give you 15mm more strut clearance, and 15mm less fender clearance.
Do I need to re-torque my slip-on spacers?
Yes, however the process is no different for wheels without spacers. Simply torque your wheels 100 kilometres after having them dismounted.
Do I need to re-torque my bolt-on spacers?
With bolt-on wheel spacers, you should dismount the wheel, re-torque the spacer, reinstall the wheel, drive it around for another 100km, re-torque the wheel, and then you’re on your ways. It’s a bit more of a process, but that is the correct way in doing so.
Do I need an alignment after installing spacers?
No. A fresh alignment can’t hurt, but as long as you aren’t changing out any control arms, struts, or steering parts, you don’t need an alignment. If it was fine before, it will be fine afterwards.
Should I put anti-seize on my threads?
No! Never use any anti seize on lug nuts. You should only apply anti-seize to the mating surfaces of the wheel, spacer and rotor.
Can I double up wheel spacers?
You can when using slip on spacers. I wouldn’t go any wider than 25mm. For this coming season with my MINI, I will be running 2 slip on spacers, both of which are hub centric, since I couldn’t find a 18mm 4x100 wheel spacer. You can go with a custom spec too if you like.
Can I get bolt-on spacers for 2 different bolt patterns?
Yes. You can buy dual bolt pattern bolt-on wheel spacers for your car, allowing you to run Ford or BMW wheels on your Honda.
Do spacers change my scrub radius?
They do increase the effort required to turn the wheel, only if you use large spacers, however is no different if you’re changing wheels to your desired spec.
Where can I find the technical dimensions for my specific car?
If you enter your vehicle in wheel-size.com, you will find that after you scroll through all of the trim models.
How can I get my hands on a custom spec wheel spacer?
Send an email to [e-mail].
Video Chapters
(0:00) Introduction
(1:09) The Purpose of Wheel Spacers
(2:46) Wheel Spacers Tech Specs
(7:26) Quality Differences
(12:08) Safe and Proper Installation Procedure
(15:21) Important Spacer Information
#bonoss #wheelspacers #wheelspacer

[@milanmastracci]

Can I get a like for the dirt on my face? 🐛

[@leddilidili2421]

hello adam lz! oh wait youre milmast 🤣

[@rustyshackleford4383]

Dude it's to long of a video. U can do the same and get more views with a 7 min video

[@sandyca1106]

milanmastracci, I just finished watching an older video on cleaning rubber floor mats. WHAT I NEED TO KNOW IS ... How to clean mold off of rubber floor mats permanently. Can you create a video on this? Thank you.

[@youneedhost]

This will work if the idiots at bonoss would answer their email about buying this product .....

[@mr.iforgot3062]

I have 6 girl friends. Ok. And they cook

[@djrixxard]

This is a SOLID video. Really well put together and thoroughly explained. Thanks for sharing this great content.

[@coby73]

My guy here does an incredible job explaining everything in detail about what you need to know about spacers.

[@jamesmcclain3456]

Dude that had to of been the best instruction video I have seen I really found it very professional clear and thorough keep em coming

[@victorassivero1061]

This was super clear and useful without a lot of nonsense or fluff. Thank you very much for sharing. I believe I can now make informed decisions on how to proceed with my big brake, suspension and wheel upgrades.

[@ABCD-ys1bb]

First video I see on the channel and its awesome. Very well explained!!!

[@amandadavidson1149]

Really digging your content and realizing your from Ontario makes it even better.. good shit bro! Keep it up!

[@straightbroadway1858]

One of the BEST video ever, very professional, informative and good quality of audio and video :) Rock guyz

[@milanmastracci]

Thank you! I appreciate the kind words ☺️

[@shelterrockisland]

Dude - I really enjoy the videos you make. They are very well filmed and also extremely informative. Keep doing them please! My question to you when you get around to it ... debunk the WD40 headlight fix miracle I am seeing all over youtube. Does WD40 clear out yellowed headlights?

[@Vffr1]

What a wonderful video, no lies, nothing but great and accurate information. None of this "This is your Boy" BS, No stupid music that last and last, no of this was brought by this company and that company. I hope you get all the view you deserve! Triple

[@vlow714]

100% solid video, answered all my questions. Appreciate the hard work and info!

[@milanmastracci]

Glad to help!

[@acjmathis]

Without any doubt the best video I’ve seen on wheel spacers. I know now what I need and how to install them. Thank you for your time.

[@milanmastracci]

Glad to help! Cheers Andy

[@SilveryFoxster]

Excellent video, thanks. Just another point to remember is to use the same design of the OEM bolt head when fitting the aftermarket extended bolts, ie don’t mix radius with tapered.

[@geminate]

Thanks for the great info! I recently bought a car and the owner had put 4x4.0” wheels on a car that is 4x100. At high speeds it would shake badly. I just ordered new wheels and an adapter. It’s difficult to find 12” 4x100 wheels!

[@MrKhombodia]

Your the greatest man!! Detailed and informative 👌

[@milanmastracci]

I appreciate that! Thank you! 👊

[@johnathanedman]

Great review; professional and thorough. Thank you very much!

[@RoseMaryCanfield]

yes bro

[@morisedressing6212]

most informative car channel i have come across thankyou

[@ams0001]

Fantastic video…really well explained, good level of technical detail but skilful presented, so still easy to understand. Well done!! 👏👏👏

[@milanmastracci]

Glad you enjoyed it!

[@mpkkirk]

First off want to say what a great informative video that cleared up my confusion on adapters vs spacers .Personally I only need a 12 mm(1/2”) spacer to clear my new calipers .. my question is concerning my ride quality and handling going forward… with a updated wheel alignment would I see changes / issues with cornering and handling performance … thanks

[@ziggybantom]

I loved your last video about putting wheel spacers on your Nissan! Now I can learn even more! Keep up the fantastic vids!!👍

[@milanmastracci]

Happy to hear that Ziggy!! Thank you 🙌

[@tdhayes1]

Great info. Thank you! NO BS. Just info! Great Job!

[@calvinnguyen990]

this helped me alot. Will absolutely be buying the BONOSS bolt ons. Thanks for the review and info.

[@djperry6787]

Great, and well explained video. Thank you

[@Bgkim1113]

absolutely clear explanation. thank you very much. you are a nice instructor.

[@milanmastracci]

Glad it was helpful!

[@bigmikecastle]

Thank you, learned so much!! I’ll keep you updated to what I do!

[@victorcabrera8787]

Homie, your video was super informative and helpful for what I’m trying to do on my daily driver 2012 civic. Thanks man 👍

[@milanmastracci]

Glad it helped Victor! 👊

[@Caleb.slides]

My cars has been tracked for 5+ years with bolt on billet aluminum spacers with 0 issues lol. Of course you're preaching what people should do with 0 track experience.

[@chelolaranas944]

Very informative and in depth! Awesome video bro 👍🏼👍🏼👍🏼👍🏼

[@milanmastracci]

Glad you liked it!

[@RallycrossGT]

amazing video, thanks for making this. certainly has shed some light for me!!!

[@AztekM1]

This is perhaps the most comprehensive video I’ve seen on spacers.

[@hectormartinbritorivera6130]

delivered as promised! I wanted to know and you provided, thanks. I have an RX350 Lexus that I am looking for spacers specifically for the rear

[@alexeypolivanov8328]

Very informative. Well done. Thank you very much.

[@truth4reel]

Great presentation. Research scrub radius and the effect of too much offset on scrub and wheel bearings.

[@AndrewTindale]

This was the best video I have watched as I consider adding spacers to my 2019 Passat Wolfsburg Edition. The inset of the wheels is the only thing I don’t like about the appearance of my VW.

[@SubieAddictsVic]

That was an amazing schooling. Thank you very much 🙏🏽

[@clarkjames324]

interesting analysis on slip on and bolt on spacers. You actually made me hit pause on my decisions as I now have to revisit and reevaluate which of the two is most efficient option for my F150 STX. Spacers seem to be the easier and cheaper option than offset rims for an older model truck. Not really feeling put $3K work of rims and tires on 12 year old truck

[@Silverdragon517]

Best video and explanation ever about spacers

[@bulldogsandlife]

Best video yet in my option :) watched quite a few before I cut my stock studs down to be able to mount the wheel adapter ( to change bolt pattern to fit rims on our 2009 Tahoe . Guy sold me new 2018 Colorado rims and that’s 6x120 and I needed 6x5.5) . So I’m going to make sure I have enough lug nut rotations prior to cutting all 24 of them 😝 thanks again ! Sadly this great deal on 200.00 rims has turned out to be a hurdle each time I jack it up 😂 I also learned that I have the shiny non anodized spacers but it does have 12.9 studs. So I should clean sand and spray rustoleum on it? Any suggestions? I’m in hawaii so got it new in 2009 and we still have less than 90k miles.

[@BrandonStellmach]

Great video, I have been looking for a good video talking about wheel spacers.

[@milanmastracci]

Glad you enjoyed! Be sure to share it 👍

[@Gorillaathleticsofficial]

Super informative and in depth ! My only question is, is it safe to run slip on with stock studs if I’m still getting the required safe recommended rotation of the lug nut ?

[@BrandonStellmach]

Haven’t watched your videos in a while. But the mustache is looking good👍👍👍

[@ronbelanger4113]

Informative, my old 911 has 2 inch front and 3 inch back spacers.

[@IkhsanND]

Complete information, very useful for safety. Thank you

[@milanmastracci]

Glad it was helpful!

[@Mamut86]

Good info as I’m in the market for some spacers for my Mazda. Thanks

[@milanmastracci]

Glad to help!

[@89jchem]

Solid info. Wish I found this sooner!

[@dwx]

Very informative and all-encompassing video! You talked about potentially having to shave down your studs. How do you know if your spacers will clear your factory studs without taking me wheels off and measuring the length sticking out? My wheels have additional holes as it fits multiple bolt patterns, but I'm not sure if those other holes would be where the factory studs stick out after I bolt the wheel to the spacer. Thanks!

[@milanmastracci]

That is indeed where the extra material would go. The stock studs on the front of my civic would poke through the spacer, into that cavity of the wheel. Since every car is different, to play it safe, you would have to measure how much stud you have, minus how thick of a spacer you want to mount, and then see if the cavities for the wheels are large enough for the extra stud. Hope that makes sense!

[@wirekat]

Great review. Thanks for your knowledge.

[@milanmastracci]

Thanks Kevin! I appreciate it

[@Agent.K.]

Best video on spacers. Very detailed.

[@milanmastracci]

Glad you liked it!

[@mariop.4898]

Thank you for this interesting and very informative video. Greetings from Baden near Vienna, Austria.

[@modemore1732]

Nice and informative vids. Thinking about adding spacers to my 08 4x4 f-150 to see if it accommodates 35's without leveling it. Please advice. Thanks.

[@danielmolinagarnier5250]

Bro! Amazing video! Thank you so much!

[@BalintStefan99]

i missed this guy so much...

[@bitkahuna]

really great video. thank you!

[@jedimastag]

Yo awesome video. I FINALLY understand

[@alexispereira9465]

Loving those RSX Type-S wheels!!!!!

[@bakanasoele]

Thanks for your information.

[@jorgearellano6923]

Thank you for a such a detailed and informative video..

[@milanmastracci]

You're very welcome!

[@BobBenz55]

Nice video 👍🏼👌 for me H&R are my go to always for spacers 👍🏼👌

[@ElijahBobingerDragonogh]

Great video! Slip-on spacers brought to you by wheel bolt gang 😎😎

[@Kenn_18]

Very useful info, love your work keep it up!

[@milanmastracci]

Much appreciated! ❤️

[@junechris]

The hub centric ones are the best of course, great video!!!

[@milanmastracci]

Yes they are!

[@junechris]

@@milanmastracci Yeah, I've read actually a day or two ago that if use spacers that your spring rate, although, technically stays the same, the spring rate to the wheels get reduced, I.E. say like if in the rear, your springs get softer in the rear, and also u increase wear on your wheel bearings, even though your looks improve on the car.

[@JBR_1995]

Hey, so I installed new coilovers and now I need wheel spacers. After measuring it looks like I could go with 20mm spacers. But I think going with 10 or 12.5 mm spacers (or very max 15 mm) is the safer option, because I don't want my wheels to rub on the body. Do you think it will still make the car look better or should I really go with 20mm?

[@ehymander2062]

Fantastic walkthrough! Was actually only looking for how to measure the desired thickness but learned basically everything else. :D What size spacer do you go with when the "3 oclock and 9 oclock" of the tire are essentially flush but the "12 oclock" needs up to 15mm to flush up?

[@TanveerAhmed-gl5jk]

Top video .thanks for info. 👍👍👍👍

[@CalaguaProductions]

Awesome vid brah 👍👌

[@Untouchablekiddmusic]

Great info. Question is. Owned a 2017 Mercedes Benz CLA 250. Planning on putting some wheel spacers on it. 15mm at the back and 10mm up front. Do you have any idea what the hub bore size should be for the spacers, don’t want any vibration down the road. Thanks

[@RoadNoise29100]

Great video, excellent info! Well done!

[@milanmastracci]

Glad it was helpful!

[@dafb6dafb62]

For a minute you looked like Adam LZ 😆

[@dreyusalexander718]

Lol facts

[@dafb6dafb62]

@@dreyusalexander718 😆

[@custeroo4539]

Frrrr

[@michaelrohandodds1850]

Great presentation

[@aghaazhar9048]

Nice 👍 information Thanks dear

[@nightrider4594]

Good job. Thank you. 👍🏻

[@tony2tiger1]

Very good video!

[@kanevivalakane3699]

Hi. I am going to install IMS suspension with 2" lift and 30mm spacers. My tire size is 265/65/R17 I hope this is sufficient to prevent any rollovers.

[@nightrider4594]

Nice! Thank you.

[@chrissalem5806]

Your great very educational very clear good job on sharing this vdo

[@paulhughes3961]

One of the best explanations about wheel spacers , thanks!

[@milanmastracci]

Glad you enjoyed it! Thank you 😊

[@kchicas12]

Love the video only thing confusing me is the twork concept? How many turns you have to do on each nuds.. Also you have to trim the studs on the bolt on spacer to the exact length of the studs on the car?

[@Soh90]

Great video. I lowered my 2019 Mazda3 and decided to go with the slip on spacers and extended studs for simplicity and safety. Yes installing extended studs cost me an hour and a half of my life that I’ll never get back, but something about bolt on spacers always freak me out.

[@charlieboy3321]

Have you had any issues with them so far? I plan on putting some on my 2015 Mazda 6

[@Soh90]

@@charlieboy3321 They were perfect for 3 years. Definitely worth the extra effort of replacing the studs. And honestly the studs are very simple to replace (you might have to remove the rear wheel hubs in order to get the clearance to install the extended studs though). I only did 12mm (.5 in) spacers and an inch drop in ride height all around so it looked clean and not too over the top. I would 100% do it. Quick tidbit, I sold the Mazda and bought a 2014 BMW 328d Sports Wagon (yay) but before I sold the Mazda I brought everything back to stock and it converts right back with no issues. If your car requires you to remove the rear hub to install the extended studs, don’t forget to use anti-seize on the hub bolts when you reinstall them. I had quite the battle taking those bolts out after 3 years 😂

[@Jason-fy7qx]

Excellent, we'll detailed video not wasting time just getting to the point of details

[@leventeszabo9186]

When I was looking for the exact same spacer you installed on your Civic on your video, the Bonoss website did not bring up any spacer for 2012 Civic Si. Which exact one did you install? Can you share the link? Also in the video you installed the 20mm while in the description FAQ section you mentioned you installed the 15mm. Was the 20mm too wide and was rubbing? Thank you!

[@jimjam8948]

Great video, TY SIR

[@Tekno242]

I’m thinking of ordering a set of 5mm hubcentric spacers, but it doesn’t have a lip to complement the larger bore of an aftermarket wheel. Would you suggest using the spacer and adding on hubcentric rings as well?

[@Hondacbr600rrish]

Great video! This is information. I ha e a question. I saw that they had 2 different model numbers for the g37 coupes. BONOSS Forged AL7075-T6 Active Cooling 5×114.3 Hubcentric Wheel Spacers for Infiniti G37, BONOSS Forged AL6061-T6 Active Cooling Hubcentric 5×114.3 Wheel Spacers for Infiniti G37 I'm trying to figure out which one to get. Thank you.

[@ZynovFTW]

Hey this is a perfect video cause I'm doing the BBK conversion on my G37 Sedan and I have wheels that I will need to have a spacer to clear the front calipers. I'm certain all I need is a 5mm spacer. My question is, do you think I need extended studs? Or do you think a 5mm slip on spacer will be sufficient with stock length studs? I have the stock OEM Enkei 18 inch wheels (not the duckfeet wheels).

[@milanmastracci]

To run a slip on spacer, something like a 5mm you're referring to, you will need extended studs. You can go with some ARP studs like I did, or you can go with some from Z1 as they have multiple lengths you can choose from.

[@justinnabua9649]

i have a 2011 honda accord, what spacers would you advice to put just for a right stance like your civic.🙂

[@bchnts]

Excellent video Milan and very informative.....how wide can you go before you start stressing your wheel hubs and bearings ????

[@milanmastracci]

It depends. I usually go with as wide of a spacer as needed, but not fat enough to push the wheels out past the fenders. If you can keep your overall wheel offset to stay in the positive values, it will prevent the bearings from experiencing too much stress.

[@bchnts]

@@milanmastracci thank you Milan !!!!!

[@Unplugged704]

Great video!! Very informative! Clarification so I understand correctly.. so if I just need 8mm spacers I would need extended studs? I’ve seen other videos where they just slip-on the spacers less than 10mm.

[@johnhayes3314]

All comes down to how many threads you have with the stock studs. Once the stud is broken loose, count the number of turns and multiply the pitch ((1.25 or 1.5). Then minus the 8 mm and see if you have enough threads left

[@eduardr4536]

Great video! Thanks for the information. Any recommendations for use with original 18” wheels on a 2020 Corolla SE?

[@milanmastracci]

Most vehicles with thier factory wheels can get away with 15-20mm bolt on spacers without a problem. I would measure your specific car just to double check 👍

[@eduardr4536]

@@milanmastracci Thanks 🙏🏻!

[@MarkJolley]

What a well-done video.

[@VINNY5674]

Great video

[@morlando1108]

I would like to buy one for my Mini Cooper s R56 2012 . Which one do you recommend for me . I like your Mini Cooper setup.. thanks good info

[@DavidBarrentinemusic]

Excellent. Thank you.

[@milanmastracci]

Glad it was helpful!

[@AbrahamYunis]

What about a vehicle that would see mild off-roading such as a 4Matic? Is that safe to use the thicker spacers? you mentioned The Track but didn't hit on off-road/rally :)

[@jasonstutes4435]

Great video, glad I have euro car. Slip ons for me.

[@brodyrichard263]

I have them on my challenger and I have had wheel spacers on many many vehicles and they don’t really hurt anything if they aren’t more than 1.5 inches maybe 2 at the most

[@channel-le9vy]

How do they effect ride and suspension in the long run? Especially going long distances?

[@shaymiah]

Hi thanks for the vid. Anyone know where or what I should buy for a 2014 panamera deisel please?

[@nrg3k]

Super helpful video

[@milanmastracci]

Glad you think so David!

[@a.d.c7941]

Im wanting to do wheel spacers because I want to put caliper covers on. Which spacer should I go with?

[@retrokid62]

can't you use the slip on spacers with longer than stock wheel lug bolts?