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🚀 Elevate your GM truck’s stance with rock-solid precision and pro-grade strength!
Dynofit 1.5" Wheel Spacers are forged from aircraft-grade 6061-T6 aluminum, engineered for 40% greater strength than cast models. Designed with a precise 78.1mm hub-centric bore and M14x1.5 heat-treated steel studs, these spacers fit a broad range of 1999-2026 GM trucks including Silverado, Sierra, Tahoe, Yukon, and Escalade. Rigorous quality control and military-spec materials ensure durability, corrosion resistance, and vibration-free performance, making them the trusted upgrade for serious truck enthusiasts.
















| ASIN | B088KGJ84M |
| Best Sellers Rank | #7,787 in Automotive ( See Top 100 in Automotive ) #4 in Wheel Adapters & Spacers |
| Brand | dynofit |
| Customer Reviews | 4.6 4.6 out of 5 stars (653) |
| Date First Available | May 13, 2020 |
| Exterior | Forged |
| Item Weight | 9.33 pounds |
| Item model number | 310BK |
| Manufacturer | fastfree |
| Manufacturer Part Number | 310BK |
| Package Dimensions | 12.24 x 7.72 x 5.79 inches |
C**L
Great fit!
Bought for my son for Christmas. Fit perfectly and no issues on his GMC 2500.
G**S
2025 GMC Sierra - perfect fit
These have been on my truck for about 2 months now and have been fantactic. Quality seems to be excellent. Fitment on my new GMC Sierra 1500 is perfect! These should fit any late Sierra and Silverado. They are tight to the hub and tight to my stock GM AEV edition wheels. I did have to trim to tips of the stock lug studs about 1/4" to clear the AEV wheels but you may not need to with other wheels depending on how much recess you have on the back of the wheel. If you need to trim, its easy and took me maybe 30 mins extra to do this while it was all apart. I wouldnt hesitate to recommend these for your truck. I am very picky about quality and I think these are just about as nice as the major brand that costs more than twice that these do.
J**S
Great fit. Good quality. Worth it.
The install took me about 1.5 hours. The spacers fit very well around the hub. They were nice and tight, I drew them down using a star pattern, so I know they are perfectly centered. The spacing is good. With stock wheels on my 2021 Sierra SLT X31, I did not have to modify the studs. However, be aware that this may cause rubbing and the need for minor plastic trimming. I had to trim the corners off of the front plastic trim in order to avoid rubbing. I have a 3”/2” leveling kit for reference. All in all really happy with the quality and value.
K**E
They look good but I have a fitment issues
The look really nice good buld quality now here is a question 2014 gmc sierra 1500 when I set them down on the hubs the lug studs on a brand new name brand hub, it wount sit all the way down flush like it seems like the backs need to be opened up a little so it can sit flush has anyone ever had to deal with this and how do I fix it
P**O
Good
Tank you
F**H
1½" spacers for 2021 trailboss
Shipping was fast, just a few days. Product looks well built as described. Haven't used them yet, getting larger tires on my truck, don't know if I'll need them or not. Will update after use to see if there's any vibration or issues with studs. My factory studs stick out about ¼" past the face of these spacers, but with the factory wheels casting, there's room for the studs and no need to cut or change. Spacers fit snug around the brake hub/rotors. Only issue was fitment on the factory wheels. But this is due to casting and mushrooms of surface from the wheels being removed and installed from rotating tires. A simple fix, used dremmel with sanding wheel and cleaned up the surface. Now the spacers fit perfect, nice and snug with no play. I searched for a good minute trying to decide which spacers to go with and so many options on the market. These seemed to have the best reviews and least amount of issues or complaints. So far so good, looked very durable, they are heavy which is a good sign on the quality. We'll see after 6 months. So far, I'd recommend to anyone who's having trouble deciding. And I am not one to leave reviews, take that into consideration. Update: spacers installed, so far so good. No vibration. I did need them for 285/70R18s (34") which is the next size up over stock. No leveling kit on front, stock trailboss height. Tires do rub a little only during sharp turning and only on the inside of the factory mudflap. Cannot cut the flap where it's rubbing, will need a leveling kit incase anyone else is researching.
O**1
gOTTa get some poke
I must take before and after pictures of my projects. These spacers are for my sons 2006 Silverado. He has aftermarket wheels that make the truck look nice, but these wheel spacers make it look better. The installed fine, no issues, the quality of them are very good, well machined parts. After bolting them on and setting good torque of the supplied nuts, and torqueing down the wheels we did have to trim a little from the front lower bumper cover (Iplastic) and removed the mud flaps to clear the wheels for turning. Overall a great poduct.
R**O
Quality Priduct!
Right fitment and all. No problems at all
J**S
La calidad no Seve muy buena
En la descripción menciona que viene el juego de 4 espaciaeores y solo llegaron 2 :/
A**R
Great Service
As advertised and arrive a few days early.
Trustpilot
2 weeks ago
2 months ago