Reviews for Mugen Seiki Ninja JX21 Crankshaft (DLC Coated) [MUGJX09001]
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Sunday, Feb 10 2013 (about 2 years ago)
Mugen Seiki Ninja JX21 Crankshaft (DLC Coated)
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.