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A-3123 (slipper pads) X 2
A-3132 (slipper plates) X 2
A-3124 (spring & hardware) X 1
Spur of your choice

Great. Thanks!

Just got my B4 slipper pads from Sr8p and try fitting it to a hydra top shaft and B4 slipper, amd it fits right in.
Will try to post some pics tomorrow.

Yes, BTW, AE slipper plates and Losi slipper plates are interchangeable. I have AE plates on an LXT with a Losi spur....


so the answer is, yes.

yes, we can all get along

Okay so the dummy of the group just showed up. LOL (me)

Can someone walk me through exactly what I'd need to do to make this happen with an original JRX2 gearbox and spur etc.

Do I need to change the spur gear shaft? Do I just need the slipper plates and pads etc like stated earlier? Sorry for being a noob on this but I really want to run brushless and want a real slipper.

yes, you need the LXT, Pro SE slipper shaft for the LRM tranny (part # unknown by me)
the slipper parts I outlined above & current spur gear
gear cover made for a slipper set up

P/n A-3120 Losi slipper shaft

Thank you. Perfect

Slipper Plates C/O Jason.










i have yet to check if my slipper orientation is correct, when i got the plates, i just yanked it in just for the fit, will check
later if its correct.

hey jun, those dont look right, maybe you should send them to me for closer inspection

hahaha... im sure nothing that cant be fix......by a little trial and error...


My problem now is where will i get those RPM gear cover for Losi.... whaaaaaaa.......
will convert my ProT to a Buggy.....

Very cool and Blingy!

slow_jun, that's pretty cool upgrade you got!

actually the slipper plates are for my RC10 Runner, it just so happens that when i got home yesterday i tried it and it fits perfectly on my Pro, will just buy another B4 slipper and put it on my Pro. i have yet to check the performance when i placed it in my pro. Its been2 decades since i touched a Jrx2. it slowly showing how old am i .....

So i tried installing my B4 Slipper plates to my Jrx2 Pro and have to remove some portion of the casings output hole for the backing plate not to bind with the casing. and below is the final results.





the clearance between the motor plate and backing plate is small, i wonder will this wobble on a BL powerplant.?


Tried experimenting on without removing (reaming) the tranny casings output shaft hole.

you can see the difference.



after reaming a portion of the casings output shafts hole. for the backing plate not to bind when in motion.



now i just have to find myself that RPM hydra cover for losi and AE hahahah...