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Guarder SP120 Full Tune-Up Kit for P90 / E90 Series Airsoft AEG

5 Customer Reviews

by Josh K. on 08/29/2012
"The oval type bushing is a proprietary bushing ONLY for the Tokyo marui V6 p90 gearbox.

If you have an Echo1, JG, classic army or other type p90, just get normal 6mm bushings. In all TM clones, all the bushings are the same 6mm size. I would recommend the G&P 6mm bushings or the systema 6mm ones.

Hope it helps!
by Kelly S. on 12/25/2008
"I bought this to upgrade my P90 with. There's not much to talk about really, it's a nice tune-up kit. The only problem I experienced was getting the oval-shaped bushings into the holes. I ended up using my craft dremel and filing the inner edges down until they snapped into place. The round bushings were fine however.


Good Quality

Replaces almost every part inside the gearbox except the anti-reversal latch and some other parts that didn't need to be replaced.

Comes with some grease to smooth things up


The oval-shaped bushings might required some extra work and patience to get them in place.

Note: It's recommended that you get a 9.6v battery and you might need a better motor.
by Marco R. on 11/29/2008
"120 spring usually gives a gun the FPS of 370-410 if you dont want your P90 shooting this hard downgrade the spring to 110 or if you plan to get a tokyo marui and upgrade it with this but dont want the gun to shoot this hard and downgrade the spring your better off getting the echo 1 P90
by karl e. on 09/19/2008
"i think 360fps but i am not to sure it my have less or more
by Gene F. on 09/16/2008
"how much fps does it upgrade to??????????????????????????????????????????????????