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T-REX 550 › Maingear replacement Mod 1 or Helical
12-04-2011 09:58 PM  6 years agoPost 1
jadams

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East coast USA

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I am looking for the part numbers for the mod 1 or helical gear and the pinion for the 550. Running stock motor.

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12-04-2011 10:07 PM  6 years agoPost 2
jadams

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East coast USA

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never mind...found it
H70020B, H55071, H60199

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12-06-2011 11:48 PM  6 years agoPost 3
towertsk

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Chula Vista, CA

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Is H60199 really needed for the conversion? Is the stock 1-way a straight bolt on to the 700 main gear?

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T-REX 550 › Maingear replacement Mod 1 or Helical
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