Mugen Seiki Ninja JX21 Crankshaft (DLC Coated)
[MUGJX09001]

Average rating: 5 of 5 Stars!

Mugen Seiki Ninja JX21 Crankshaft (DLC Coated)
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JT - Rating: 5 of 5 Stars! Verified Owner Sunday, February 10, 2013
I use these as upgrades in the O.S. .21 VZ-B V-Spec motors as they are the same part except this is DLC coated for longer life, plus is cheaper then the O.S. vz-b v-spec crankshaft.
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