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🚀 Elevate your RC game with precision shocks that mean business
INJORA’s Brass & Aluminium 59mm Long Threaded Oil Shocks are precision CNC-machined upgrades designed for TRX4M 1/18 scale RC crawlers. Featuring a brass bottom rod for a lower center of gravity and improved stability, these shocks offer 42mm compressed length and 17mm travel with threaded bodies for quick preload adjustments. Lightweight at 8g each, they combine durability and performance to enhance your RC crawler’s handling and style.






| Age Range Description | Kid |
| Asin | B0CFQX4BPK |
| Best Sellers Rank | #19,818 in Toys & Games (See Top 100 in Toys & Games) #3 in RC Vehicle Shock Kits |
| Brand Name | INJORA |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (627) 4.7 out of 5 stars |
| Educational Objective | Teach basic mechanical skills and understanding of vehicle suspension systems |
| Indoor Outdoor Usage | Outdoor |
| Item Dimensions | 3.94 x 2.76 x 0.71 inches |
| Manufacturer | INJORA |
| Manufacturer Maximum Age Months | 120 |
| Manufacturer Part Number | 4M-63BK-4 |
| Material Type | Aluminum |
| Model Number | 4M-63BK-4 |
| Number Of Packs | 1 |
| Number Of Players | 1 |
| Operation Mode | Manual |
| Power Source | rechargeable battery |
| Set Name | TRX4M TRX4MT 1/18 RC Crawler Upgrade Shock Absorber |
| Size | Small |
| Supported Battery Types | Rechargeable Battery |
| Theme | Vehicle |
| Unit Count | 1 Count |
User
Lift your crawler
These were easy to install and fit was perfect to help lift our RC Truck. It upgraded the performance from stock significantly. The injora products are great scale quality and and easy weight upgrade as well.
User
Smooth Upgrade for TRX4M Crawling Performance
I installed the INJORA Brass & Aluminium 59mm Shocks on my TRX4M and TRX4MT, and they’ve been a fantastic upgrade. The long threaded design gives you plenty of adjustability, and the oil damping is noticeably smoother than the stock setup. I especially like the brass lower ends—they add a bit of weight down low, which helps with stability on steep climbs and uneven terrain.Build quality is excellent; no leaks or loose threads after several runs.Installation was straightforward, and they fit perfectly without any modifications.The added weight from the brass components improves traction without compromising articulation.Visually, they look great—definitely give the rig a more premium feel.If you're serious about crawling with your 1/18 scale RC, these shocks are a worthwhile investment.
User
Very cool
Fits my venture 18 with stock chassisMine came with silicone oil inside, I emptied and replaced with 20wt per recommendation by manufacturerLooks great, feels great and simple to install!Awesome !Injora always great quality products
User
good shocks
Way better than the original shocks
User
Great fit
These work well and look good. It comes with extra o ring seals. They are worth it.
User
Great shocks
I put these on my little rock crawler and they helped the stability a lot. But the brass piece at the bottom gets lost easily so I had to buy a new set. It would be nice if it came with a spare or 2
User
Superior quality.
If I were to base all other reviews on the quality of these rc-car shock absorbers alone, everything would either get 4 stars of these shocks would be rated at 6. The quality is superior given theyre intended use. They also work on 1/16 wpl trucks with a little modifying of the truck.
User
Love the LONG travel
Installed these on my TRX4M and they made a noticeable difference right away. The added brass weight helps lower the center of gravity, and the suspension feels smoother with better articulation over obstacles.The threaded bodies make it easy to dial in ride height, and they look great too. Just note they don’t come filled with much oil, so you’ll want to set them up properly for best performance.Solid upgrade for crawling—better stability and flex. ⭐⭐⭐⭐⭐
User
Top Qualität
Nicht nicht getestet, soweit ich weiß muss man die Dämpfer eventuell erst noch mit Öl befüllen. Der erste Eindruck ist hervorragend!
User
Très bonne qualité
Très bons amortisseurs en métal très bien conçu
User
Pas mal
Donne bien sûr le 4x4 avec la vis de réglage
User
Ottimo prodotto
Ottimo.
User
Plush and buttery!
Well engineered and realistic looking shocks for your RC crawler. Long thread allows plenty of adjustment on the preload. Brass couplings look fantastic. Great VfM.
Trustpilot
2 weeks ago
5 days ago