Dodge Viper Xtreme Engine kit. Our upgrades increase Viper performance as an ultimate NA package. Utilizing a new Callies rotating assembly with King or Clevite bearings, Total Seal rings, Diamond forged pistons, our own custom ported cylinder heads with intake manifold, custom grind camshaft, pcm tune by Viper certifed tuner. Major power and torque gains throughout the entire rev band. Our Dodge Viper upgrade is comprised of all forged internal rotating components.
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